9a6897a48a
Now it at least looks correct, but unfortunately "openssl s_server" says my hash is wrong. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1500 lines
59 KiB
C
1500 lines
59 KiB
C
/*
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* Copyright (C) 2017 Denys Vlasenko
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*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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//config:config TLS
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//config: bool "tls (debugging)"
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//config: default n
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//applet:IF_TLS(APPLET(tls, BB_DIR_USR_BIN, BB_SUID_DROP))
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//kbuild:lib-$(CONFIG_TLS) += tls.o
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//kbuild:lib-$(CONFIG_TLS) += tls_pstm.o
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//kbuild:lib-$(CONFIG_TLS) += tls_pstm_montgomery_reduce.o
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//kbuild:lib-$(CONFIG_TLS) += tls_pstm_mul_comba.o
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//kbuild:lib-$(CONFIG_TLS) += tls_pstm_sqr_comba.o
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//kbuild:lib-$(CONFIG_TLS) += tls_rsa.o
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////kbuild:lib-$(CONFIG_TLS) += tls_ciphers.o
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////kbuild:lib-$(CONFIG_TLS) += tls_aes.o
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////kbuild:lib-$(CONFIG_TLS) += tls_aes_gcm.o
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//usage:#define tls_trivial_usage
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//usage: "HOST[:PORT]"
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//usage:#define tls_full_usage "\n\n"
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#include "tls.h"
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#if 1
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# define dbg(...) fprintf(stderr, __VA_ARGS__)
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#else
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# define dbg(...) ((void)0)
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#endif
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#define RECORD_TYPE_CHANGE_CIPHER_SPEC 20
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#define RECORD_TYPE_ALERT 21
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#define RECORD_TYPE_HANDSHAKE 22
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#define RECORD_TYPE_APPLICATION_DATA 23
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#define HANDSHAKE_HELLO_REQUEST 0
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#define HANDSHAKE_CLIENT_HELLO 1
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#define HANDSHAKE_SERVER_HELLO 2
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#define HANDSHAKE_HELLO_VERIFY_REQUEST 3
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#define HANDSHAKE_NEW_SESSION_TICKET 4
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#define HANDSHAKE_CERTIFICATE 11
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#define HANDSHAKE_SERVER_KEY_EXCHANGE 12
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#define HANDSHAKE_CERTIFICATE_REQUEST 13
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#define HANDSHAKE_SERVER_HELLO_DONE 14
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#define HANDSHAKE_CERTIFICATE_VERIFY 15
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#define HANDSHAKE_CLIENT_KEY_EXCHANGE 16
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#define HANDSHAKE_FINISHED 20
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#define SSL_HS_RANDOM_SIZE 32
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#define SSL_HS_RSA_PREMASTER_SIZE 48
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#define SSL_NULL_WITH_NULL_NULL 0x0000
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#define SSL_RSA_WITH_NULL_MD5 0x0001
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#define SSL_RSA_WITH_NULL_SHA 0x0002
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#define SSL_RSA_WITH_RC4_128_MD5 0x0004
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#define SSL_RSA_WITH_RC4_128_SHA 0x0005
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#define SSL_RSA_WITH_3DES_EDE_CBC_SHA 0x000A /* 10 */
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#define TLS_RSA_WITH_AES_128_CBC_SHA 0x002F /* 47 */
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#define TLS_RSA_WITH_AES_256_CBC_SHA 0x0035 /* 53 */
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#define TLS_RSA_WITH_NULL_SHA256 0x003B /* 59 */
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#define TLS_EMPTY_RENEGOTIATION_INFO_SCSV 0x00FF
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#define TLS_RSA_WITH_IDEA_CBC_SHA 0x0007 /* 7 */
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#define SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA 0x0016 /* 22 */
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#define SSL_DH_anon_WITH_RC4_128_MD5 0x0018 /* 24 */
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#define SSL_DH_anon_WITH_3DES_EDE_CBC_SHA 0x001B /* 27 */
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#define TLS_DHE_RSA_WITH_AES_128_CBC_SHA 0x0033 /* 51 */
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#define TLS_DHE_RSA_WITH_AES_256_CBC_SHA 0x0039 /* 57 */
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#define TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 0x0067 /* 103 */
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#define TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 0x006B /* 107 */
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#define TLS_DH_anon_WITH_AES_128_CBC_SHA 0x0034 /* 52 */
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#define TLS_DH_anon_WITH_AES_256_CBC_SHA 0x003A /* 58 */
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#define TLS_RSA_WITH_AES_128_CBC_SHA256 0x003C /* 60 */
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#define TLS_RSA_WITH_AES_256_CBC_SHA256 0x003D /* 61 */
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#define TLS_RSA_WITH_SEED_CBC_SHA 0x0096 /* 150 */
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#define TLS_PSK_WITH_AES_128_CBC_SHA 0x008C /* 140 */
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#define TLS_PSK_WITH_AES_128_CBC_SHA256 0x00AE /* 174 */
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#define TLS_PSK_WITH_AES_256_CBC_SHA384 0x00AF /* 175 */
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#define TLS_PSK_WITH_AES_256_CBC_SHA 0x008D /* 141 */
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#define TLS_DHE_PSK_WITH_AES_128_CBC_SHA 0x0090 /* 144 */
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#define TLS_DHE_PSK_WITH_AES_256_CBC_SHA 0x0091 /* 145 */
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#define TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA 0xC004 /* 49156 */
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#define TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA 0xC005 /* 49157 */
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#define TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 0xC009 /* 49161 */
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#define TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 0xC00A /* 49162 */
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#define TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA 0xC012 /* 49170 */
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#define TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA 0xC013 /* 49171 */
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#define TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA 0xC014 /* 49172 */
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#define TLS_ECDH_RSA_WITH_AES_128_CBC_SHA 0xC00E /* 49166 */
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#define TLS_ECDH_RSA_WITH_AES_256_CBC_SHA 0xC00F /* 49167 */
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#define TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 0xC023 /* 49187 */
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#define TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 0xC024 /* 49188 */
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#define TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 0xC025 /* 49189 */
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#define TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 0xC026 /* 49190 */
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#define TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 0xC027 /* 49191 */
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#define TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 0xC028 /* 49192 */
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#define TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 0xC029 /* 49193 */
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#define TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 0xC02A /* 49194 */
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// RFC 5288 "AES Galois Counter Mode (GCM) Cipher Suites for TLS"
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#define TLS_RSA_WITH_AES_128_GCM_SHA256 0x009C /* 156 */
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#define TLS_RSA_WITH_AES_256_GCM_SHA384 0x009D /* 157 */
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#define TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 0xC02B /* 49195 */
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#define TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 0xC02C /* 49196 */
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#define TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 0xC02D /* 49197 */
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#define TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 0xC02E /* 49198 */
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#define TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 0xC02F /* 49199 */
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#define TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 0xC030 /* 49200 */
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#define TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 0xC031 /* 49201 */
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#define TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 0xC032 /* 49202 */
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//Tested against kernel.org:
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//TLS 1.1
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//#define TLS_MAJ 3
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//#define TLS_MIN 2
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//#define CIPHER_ID TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA // ok, recvs SERVER_KEY_EXCHANGE
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//TLS 1.2
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#define TLS_MAJ 3
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#define TLS_MIN 3
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//#define CIPHER_ID TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA // ok, recvs SERVER_KEY_EXCHANGE *** matrixssl uses this on my box
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//#define CIPHER_ID TLS_RSA_WITH_AES_256_CBC_SHA256 // ok, no SERVER_KEY_EXCHANGE
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// All GCMs:
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//#define CIPHER_ID TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 // SSL_ALERT_HANDSHAKE_FAILURE
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//#define CIPHER_ID TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 // SSL_ALERT_HANDSHAKE_FAILURE
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//#define CIPHER_ID TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 // ok, recvs SERVER_KEY_EXCHANGE
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//#define CIPHER_ID TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
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//#define CIPHER_ID TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
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//#define CIPHER_ID TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 // SSL_ALERT_HANDSHAKE_FAILURE
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//#define CIPHER_ID TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
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//#define CIPHER_ID TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 // SSL_ALERT_HANDSHAKE_FAILURE
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//#define CIPHER_ID TLS_RSA_WITH_AES_256_GCM_SHA384 // ok, no SERVER_KEY_EXCHANGE
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//#define CIPHER_ID TLS_RSA_WITH_AES_128_GCM_SHA256 // ok, no SERVER_KEY_EXCHANGE *** select this?
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#define CIPHER_ID TLS_RSA_WITH_NULL_SHA256 // for testing (does everything except encrypting)
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//#define CIPHER_ID TLS_DH_anon_WITH_AES_256_CBC_SHA // SSL_ALERT_HANDSHAKE_FAILURE
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//^^^^^^^^^^^^^^^^^^^^^^^ (tested b/c this one doesn't req server certs... no luck)
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//test TLS_RSA_WITH_AES_128_CBC_SHA, in tls 1.2 it's mandated to be always supported
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enum {
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SHA256_INSIZE = 64,
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SHA256_OUTSIZE = 32,
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};
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struct record_hdr {
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uint8_t type;
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uint8_t proto_maj, proto_min;
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uint8_t len16_hi, len16_lo;
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};
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typedef struct tls_state {
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int fd;
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psRsaKey_t server_rsa_pub_key;
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sha256_ctx_t handshake_sha256_ctx;
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uint8_t client_and_server_rand32[2 * 32];
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uint8_t master_secret[48];
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uint8_t encrypt_on_write;
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uint8_t client_write_MAC_key[SHA256_OUTSIZE];
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// RFC 5246
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// sequence number
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// Each connection state contains a sequence number, which is
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// maintained separately for read and write states. The sequence
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// number MUST be set to zero whenever a connection state is made the
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// active state. Sequence numbers are of type uint64 and may not
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// exceed 2^64-1.
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uint64_t write_seq64_be;
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// RFC 5246
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// |6.2.1. Fragmentation
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// | The record layer fragments information blocks into TLSPlaintext
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// | records carrying data in chunks of 2^14 bytes or less. Client
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// | message boundaries are not preserved in the record layer (i.e.,
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// | multiple client messages of the same ContentType MAY be coalesced
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// | into a single TLSPlaintext record, or a single message MAY be
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// | fragmented across several records)
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// |...
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// | length
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// | The length (in bytes) of the following TLSPlaintext.fragment.
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// | The length MUST NOT exceed 2^14.
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// |...
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// | 6.2.2. Record Compression and Decompression
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// |...
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// | Compression must be lossless and may not increase the content length
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// | by more than 1024 bytes. If the decompression function encounters a
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// | TLSCompressed.fragment that would decompress to a length in excess of
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// | 2^14 bytes, it MUST report a fatal decompression failure error.
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// |...
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// | length
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// | The length (in bytes) of the following TLSCompressed.fragment.
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// | The length MUST NOT exceed 2^14 + 1024.
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//
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// Since our buffer also contains 5-byte headers, make it a bit bigger:
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int insize;
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int tail;
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uint8_t inbuf[18*1024];
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} tls_state_t;
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void tls_get_random(void *buf, unsigned len)
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{
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if (len != open_read_close("/dev/urandom", buf, len))
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xfunc_die();
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}
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static
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tls_state_t *new_tls_state(void)
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{
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tls_state_t *tls = xzalloc(sizeof(*tls));
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tls->fd = -1;
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sha256_begin(&tls->handshake_sha256_ctx);
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return tls;
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}
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static void hmac_sha256(uint8_t out[SHA256_OUTSIZE], uint8_t *key, unsigned key_size, ...);
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static void xwrite_and_hash(tls_state_t *tls, /*const*/ void *buf, unsigned size)
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{
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// rfc5246
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// 6.2.3.1. Null or Standard Stream Cipher
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//
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// Stream ciphers (including BulkCipherAlgorithm.null; see Appendix A.6)
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// convert TLSCompressed.fragment structures to and from stream
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// TLSCiphertext.fragment structures.
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//
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// stream-ciphered struct {
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// opaque content[TLSCompressed.length];
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// opaque MAC[SecurityParameters.mac_length];
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// } GenericStreamCipher;
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//
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// The MAC is generated as:
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//
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// MAC(MAC_write_key, seq_num +
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// TLSCompressed.type +
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// TLSCompressed.version +
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// TLSCompressed.length +
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// TLSCompressed.fragment);
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//
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// where "+" denotes concatenation.
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//
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// seq_num
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// The sequence number for this record.
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//
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// MAC
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// The MAC algorithm specified by SecurityParameters.mac_algorithm.
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//
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// Note that the MAC is computed before encryption. The stream cipher
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// encrypts the entire block, including the MAC.
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//...
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// Appendix C. Cipher Suite Definitions
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//...
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// Key IV Block
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// Cipher Type Material Size Size
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// ------------ ------ -------- ---- -----
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// NULL Stream 0 0 N/A
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// RC4_128 Stream 16 0 N/A
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// 3DES_EDE_CBC Block 24 8 8
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// AES_128_CBC Block 16 16 16
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// AES_256_CBC Block 32 16 16
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//
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// MAC Algorithm mac_length mac_key_length
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// -------- ----------- ---------- --------------
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// NULL N/A 0 0
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// MD5 HMAC-MD5 16 16
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// SHA HMAC-SHA1 20 20
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// SHA256 HMAC-SHA256 32 32
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uint8_t mac_hash[SHA256_OUTSIZE];
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struct record_hdr *xhdr = buf;
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if (tls->encrypt_on_write) {
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hmac_sha256(mac_hash,
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tls->client_write_MAC_key, sizeof(tls->client_write_MAC_key),
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&tls->write_seq64_be, sizeof(tls->write_seq64_be),
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buf, size,
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NULL);
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tls->write_seq64_be = SWAP_BE64(1 + SWAP_BE64(tls->write_seq64_be));
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xhdr->len16_lo += SHA256_OUTSIZE;
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//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ FIXME
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}
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xwrite(tls->fd, buf, size);
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if (tls->encrypt_on_write) {
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xwrite(tls->fd, mac_hash, sizeof(mac_hash));
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xhdr->len16_lo -= SHA256_OUTSIZE;
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}
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/* Handshake hash does not include record headers */
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if (size > 5 && xhdr->type == RECORD_TYPE_HANDSHAKE)
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sha256_hash(&tls->handshake_sha256_ctx, (uint8_t*)buf + 5, size - 5);
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}
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static unsigned get24be(const uint8_t *p)
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{
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return 0x100*(0x100*p[0] + p[1]) + p[2];
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}
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static void dump(const void *vp, int len)
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{
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char hexbuf[32 * 1024 + 4];
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const uint8_t *p = vp;
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while (len > 0) {
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unsigned xhdr_len;
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if (len < 5) {
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bin2hex(hexbuf, (void*)p, len)[0] = '\0';
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dbg("< |%s|\n", hexbuf);
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return;
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}
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xhdr_len = 0x100*p[3] + p[4];
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dbg("< hdr_type:%u ver:%u.%u len:%u", p[0], p[1], p[2], xhdr_len);
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p += 5;
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len -= 5;
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if (len >= 4 && p[-5] == RECORD_TYPE_HANDSHAKE) {
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unsigned len24 = get24be(p + 1);
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dbg(" type:%u len24:%u", p[0], len24);
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}
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if (xhdr_len > len)
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xhdr_len = len;
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bin2hex(hexbuf, (void*)p, xhdr_len)[0] = '\0';
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dbg(" |%s|\n", hexbuf);
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p += xhdr_len;
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len -= xhdr_len;
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}
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}
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static void tls_error_die(tls_state_t *tls)
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{
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dump(tls->inbuf, tls->insize + tls->tail);
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xfunc_die();
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}
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static int xread_tls_block(tls_state_t *tls)
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{
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struct record_hdr *xhdr;
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int len;
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int total;
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int target;
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dbg("insize:%u tail:%u\n", tls->insize, tls->tail);
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memmove(tls->inbuf, tls->inbuf + tls->insize, tls->tail);
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errno = 0;
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total = tls->tail;
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target = sizeof(tls->inbuf);
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for (;;) {
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if (total >= sizeof(*xhdr) && target == sizeof(tls->inbuf)) {
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xhdr = (void*)tls->inbuf;
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target = sizeof(*xhdr) + (0x100 * xhdr->len16_hi + xhdr->len16_lo);
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if (target >= sizeof(tls->inbuf)) {
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/* malformed input (too long): yell and die */
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tls->tail = 0;
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tls->insize = total;
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tls_error_die(tls);
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}
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// can also check type/proto_maj/proto_min here
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}
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/* if total >= target, we have a full packet (and possibly more)... */
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if (total - target >= 0)
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break;
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len = safe_read(tls->fd, tls->inbuf + total, sizeof(tls->inbuf) - total);
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if (len <= 0)
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bb_perror_msg_and_die("short read");
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total += len;
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}
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tls->tail = total - target;
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tls->insize = target;
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target -= sizeof(*xhdr);
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dbg("got block len:%u\n", target);
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return target;
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}
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static int xread_tls_handshake_block(tls_state_t *tls, int min_len)
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{
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struct record_hdr *xhdr;
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int len = xread_tls_block(tls);
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xhdr = (void*)tls->inbuf;
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if (len < min_len
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|| xhdr->type != RECORD_TYPE_HANDSHAKE
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|| xhdr->proto_maj != TLS_MAJ
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|| xhdr->proto_min != TLS_MIN
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) {
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tls_error_die(tls);
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}
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dbg("got HANDSHAKE\n");
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return len;
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}
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static unsigned get_der_len(uint8_t **bodyp, uint8_t *der, uint8_t *end)
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{
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unsigned len, len1;
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if (end - der < 2)
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xfunc_die();
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// if ((der[0] & 0x1f) == 0x1f) /* not single-byte item code? */
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// xfunc_die();
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len = der[1]; /* maybe it's short len */
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if (len >= 0x80) {
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/* no, it's long */
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if (len == 0x80 || end - der < (int)(len - 0x7e)) {
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/* 0x80 is "0 bytes of len", invalid DER: must use short len if can */
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/* need 3 or 4 bytes for 81, 82 */
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xfunc_die();
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}
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len1 = der[2]; /* if (len == 0x81) it's "ii 81 xx", fetch xx */
|
|
if (len > 0x82) {
|
|
/* >0x82 is "3+ bytes of len", should not happen realistically */
|
|
xfunc_die();
|
|
}
|
|
if (len == 0x82) { /* it's "ii 82 xx yy" */
|
|
len1 = 0x100*len1 + der[3];
|
|
der += 1; /* skip [yy] */
|
|
}
|
|
der += 1; /* skip [xx] */
|
|
len = len1;
|
|
// if (len < 0x80)
|
|
// xfunc_die(); /* invalid DER: must use short len if can */
|
|
}
|
|
der += 2; /* skip [code]+[1byte] */
|
|
|
|
if (end - der < (int)len)
|
|
xfunc_die();
|
|
*bodyp = der;
|
|
|
|
return len;
|
|
}
|
|
|
|
static uint8_t *enter_der_item(uint8_t *der, uint8_t **endp)
|
|
{
|
|
uint8_t *new_der;
|
|
unsigned len = get_der_len(&new_der, der, *endp);
|
|
dbg("entered der @%p:0x%02x len:%u inner_byte @%p:0x%02x\n", der, der[0], len, new_der, new_der[0]);
|
|
/* Move "end" position to cover only this item */
|
|
*endp = new_der + len;
|
|
return new_der;
|
|
}
|
|
|
|
static uint8_t *skip_der_item(uint8_t *der, uint8_t *end)
|
|
{
|
|
uint8_t *new_der;
|
|
unsigned len = get_der_len(&new_der, der, end);
|
|
/* Skip body */
|
|
new_der += len;
|
|
dbg("skipped der 0x%02x, next byte 0x%02x\n", der[0], new_der[0]);
|
|
return new_der;
|
|
}
|
|
|
|
static void der_binary_to_pstm(pstm_int *pstm_n, uint8_t *der, uint8_t *end)
|
|
{
|
|
uint8_t *bin_ptr;
|
|
unsigned len = get_der_len(&bin_ptr, der, end);
|
|
|
|
dbg("binary bytes:%u, first:0x%02x\n", len, bin_ptr[0]);
|
|
pstm_init_for_read_unsigned_bin(/*pool:*/ NULL, pstm_n, len);
|
|
pstm_read_unsigned_bin(pstm_n, bin_ptr, len);
|
|
//return bin + len;
|
|
}
|
|
|
|
static void find_key_in_der_cert(tls_state_t *tls, uint8_t *der, int len)
|
|
{
|
|
/* Certificate is a DER-encoded data structure. Each DER element has a length,
|
|
* which makes it easy to skip over large compound elements of any complexity
|
|
* without parsing them. Example: partial decode of kernel.org certificate:
|
|
* SEQ 0x05ac/1452 bytes (Certificate): 308205ac
|
|
* SEQ 0x0494/1172 bytes (tbsCertificate): 30820494
|
|
* [ASN_CONTEXT_SPECIFIC | ASN_CONSTRUCTED | 0] 3 bytes: a003
|
|
* INTEGER (version): 0201 02
|
|
* INTEGER 0x11 bytes (serialNumber): 0211 00 9f85bf664b0cddafca508679501b2be4
|
|
* //^^^^^^note: matrixSSL also allows [ASN_CONTEXT_SPECIFIC | ASN_PRIMITIVE | 2] = 0x82 type
|
|
* SEQ 0x0d bytes (signatureAlgo): 300d
|
|
* OID 9 bytes: 0609 2a864886f70d01010b (OID_SHA256_RSA_SIG 42.134.72.134.247.13.1.1.11)
|
|
* NULL: 0500
|
|
* SEQ 0x5f bytes (issuer): 305f
|
|
* SET 11 bytes: 310b
|
|
* SEQ 9 bytes: 3009
|
|
* OID 3 bytes: 0603 550406
|
|
* Printable string "FR": 1302 4652
|
|
* SET 14 bytes: 310e
|
|
* SEQ 12 bytes: 300c
|
|
* OID 3 bytes: 0603 550408
|
|
* Printable string "Paris": 1305 5061726973
|
|
* SET 14 bytes: 310e
|
|
* SEQ 12 bytes: 300c
|
|
* OID 3 bytes: 0603 550407
|
|
* Printable string "Paris": 1305 5061726973
|
|
* SET 14 bytes: 310e
|
|
* SEQ 12 bytes: 300c
|
|
* OID 3 bytes: 0603 55040a
|
|
* Printable string "Gandi": 1305 47616e6469
|
|
* SET 32 bytes: 3120
|
|
* SEQ 30 bytes: 301e
|
|
* OID 3 bytes: 0603 550403
|
|
* Printable string "Gandi Standard SSL CA 2": 1317 47616e6469205374616e646172642053534c2043412032
|
|
* SEQ 30 bytes (validity): 301e
|
|
* TIME "161011000000Z": 170d 3136313031313030303030305a
|
|
* TIME "191011235959Z": 170d 3139313031313233353935395a
|
|
* SEQ 0x5b/91 bytes (subject): 305b //I did not decode this
|
|
* 3121301f060355040b1318446f6d61696e20436f
|
|
* 6e74726f6c2056616c6964617465643121301f06
|
|
* 0355040b1318506f73697469766553534c204d75
|
|
* 6c74692d446f6d61696e31133011060355040313
|
|
* 0a6b65726e656c2e6f7267
|
|
* SEQ 0x01a2/418 bytes (subjectPublicKeyInfo): 308201a2
|
|
* SEQ 13 bytes (algorithm): 300d
|
|
* OID 9 bytes: 0609 2a864886f70d010101 (OID_RSA_KEY_ALG 42.134.72.134.247.13.1.1.1)
|
|
* NULL: 0500
|
|
* BITSTRING 0x018f/399 bytes (publicKey): 0382018f
|
|
* ????: 00
|
|
* //after the zero byte, it appears key itself uses DER encoding:
|
|
* SEQ 0x018a/394 bytes: 3082018a
|
|
* INTEGER 0x0181/385 bytes (modulus): 02820181
|
|
* 00b1ab2fc727a3bef76780c9349bf3
|
|
* ...24 more blocks of 15 bytes each...
|
|
* 90e895291c6bc8693b65
|
|
* INTEGER 3 bytes (exponent): 0203 010001
|
|
* [ASN_CONTEXT_SPECIFIC | ASN_CONSTRUCTED | 0x3] 0x01e5 bytes (X509v3 extensions): a38201e5
|
|
* SEQ 0x01e1 bytes: 308201e1
|
|
* ...
|
|
* Certificate is a sequence of three elements:
|
|
* tbsCertificate (SEQ)
|
|
* signatureAlgorithm (AlgorithmIdentifier)
|
|
* signatureValue (BIT STRING)
|
|
*
|
|
* In turn, tbsCertificate is a sequence of:
|
|
* version
|
|
* serialNumber
|
|
* signatureAlgo (AlgorithmIdentifier)
|
|
* issuer (Name, has complex structure)
|
|
* validity (Validity, SEQ of two Times)
|
|
* subject (Name)
|
|
* subjectPublicKeyInfo (SEQ)
|
|
* ...
|
|
*
|
|
* subjectPublicKeyInfo is a sequence of:
|
|
* algorithm (AlgorithmIdentifier)
|
|
* publicKey (BIT STRING)
|
|
*
|
|
* We need Certificate.tbsCertificate.subjectPublicKeyInfo.publicKey
|
|
*/
|
|
uint8_t *end = der + len;
|
|
|
|
/* enter "Certificate" item: [der, end) will be only Cert */
|
|
der = enter_der_item(der, &end);
|
|
|
|
/* enter "tbsCertificate" item: [der, end) will be only tbsCert */
|
|
der = enter_der_item(der, &end);
|
|
|
|
/* skip up to subjectPublicKeyInfo */
|
|
der = skip_der_item(der, end); /* version */
|
|
der = skip_der_item(der, end); /* serialNumber */
|
|
der = skip_der_item(der, end); /* signatureAlgo */
|
|
der = skip_der_item(der, end); /* issuer */
|
|
der = skip_der_item(der, end); /* validity */
|
|
der = skip_der_item(der, end); /* subject */
|
|
|
|
/* enter subjectPublicKeyInfo */
|
|
der = enter_der_item(der, &end);
|
|
{ /* check subjectPublicKeyInfo.algorithm */
|
|
static const uint8_t expected[] = {
|
|
0x30,0x0d, // SEQ 13 bytes
|
|
0x06,0x09, 0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x01, // OID RSA_KEY_ALG 42.134.72.134.247.13.1.1.1
|
|
//0x05,0x00, // NULL
|
|
};
|
|
if (memcmp(der, expected, sizeof(expected)) != 0)
|
|
bb_error_msg_and_die("not RSA key");
|
|
}
|
|
/* skip subjectPublicKeyInfo.algorithm */
|
|
der = skip_der_item(der, end);
|
|
/* enter subjectPublicKeyInfo.publicKey */
|
|
// die_if_not_this_der_type(der, end, 0x03); /* must be BITSTRING */
|
|
der = enter_der_item(der, &end);
|
|
|
|
/* parse RSA key: */
|
|
//based on getAsnRsaPubKey(), pkcs1ParsePrivBin() is also of note
|
|
dbg("key bytes:%u, first:0x%02x\n", (int)(end - der), der[0]);
|
|
if (end - der < 14) xfunc_die();
|
|
/* example format:
|
|
* ignore bits: 00
|
|
* SEQ 0x018a/394 bytes: 3082018a
|
|
* INTEGER 0x0181/385 bytes (modulus): 02820181 XX...XXX
|
|
* INTEGER 3 bytes (exponent): 0203 010001
|
|
*/
|
|
if (*der != 0) /* "ignore bits", should be 0 */
|
|
xfunc_die();
|
|
der++;
|
|
der = enter_der_item(der, &end); /* enter SEQ */
|
|
//memset(tls->server_rsa_pub_key, 0, sizeof(tls->server_rsa_pub_key));
|
|
der_binary_to_pstm(&tls->server_rsa_pub_key.N, der, end); /* modulus */
|
|
der = skip_der_item(der, end);
|
|
der_binary_to_pstm(&tls->server_rsa_pub_key.e, der, end); /* exponent */
|
|
tls->server_rsa_pub_key.size = pstm_unsigned_bin_size(&tls->server_rsa_pub_key.N);
|
|
dbg("server_rsa_pub_key.size:%d\n", tls->server_rsa_pub_key.size);
|
|
}
|
|
|
|
static void hash_sha256(uint8_t out[SHA256_OUTSIZE], const void *data, unsigned size)
|
|
{
|
|
sha256_ctx_t ctx;
|
|
sha256_begin(&ctx);
|
|
sha256_hash(&ctx, data, size);
|
|
sha256_end(&ctx, out);
|
|
}
|
|
|
|
// RFC 2104: HMAC(key, text) based on a hash H (say, sha256) is:
|
|
// ipad = [0x36 x INSIZE]
|
|
// opad = [0x5c x INSIZE]
|
|
// HMAC(key, text) = H((key XOR opad) + H((key XOR ipad) + text))
|
|
//
|
|
// H(key XOR opad) and H(key XOR ipad) can be precomputed
|
|
// if we often need HMAC hmac with the same key.
|
|
//
|
|
// text is often given in disjoint pieces.
|
|
static void hmac_sha256_precomputed_v(uint8_t out[SHA256_OUTSIZE],
|
|
sha256_ctx_t *hashed_key_xor_ipad,
|
|
sha256_ctx_t *hashed_key_xor_opad,
|
|
va_list va)
|
|
{
|
|
uint8_t *text;
|
|
|
|
/* hashed_key_xor_ipad contains unclosed "H((key XOR ipad) +" state */
|
|
/* hashed_key_xor_opad contains unclosed "H((key XOR opad) +" state */
|
|
|
|
/* calculate out = H((key XOR ipad) + text) */
|
|
while ((text = va_arg(va, uint8_t*)) != NULL) {
|
|
unsigned text_size = va_arg(va, unsigned);
|
|
sha256_hash(hashed_key_xor_ipad, text, text_size);
|
|
}
|
|
sha256_end(hashed_key_xor_ipad, out);
|
|
|
|
/* out = H((key XOR opad) + out) */
|
|
sha256_hash(hashed_key_xor_opad, out, SHA256_OUTSIZE);
|
|
sha256_end(hashed_key_xor_opad, out);
|
|
}
|
|
|
|
static void hmac_sha256(uint8_t out[SHA256_OUTSIZE], uint8_t *key, unsigned key_size, ...)
|
|
{
|
|
sha256_ctx_t hashed_key_xor_ipad;
|
|
sha256_ctx_t hashed_key_xor_opad;
|
|
uint8_t key_xor_ipad[SHA256_INSIZE];
|
|
uint8_t key_xor_opad[SHA256_INSIZE];
|
|
uint8_t tempkey[SHA256_OUTSIZE];
|
|
va_list va;
|
|
int i;
|
|
|
|
va_start(va, key_size);
|
|
|
|
// "The authentication key can be of any length up to INSIZE, the
|
|
// block length of the hash function. Applications that use keys longer
|
|
// than INSIZE bytes will first hash the key using H and then use the
|
|
// resultant OUTSIZE byte string as the actual key to HMAC."
|
|
if (key_size > SHA256_INSIZE) {
|
|
hash_sha256(tempkey, key, key_size);
|
|
key = tempkey;
|
|
key_size = SHA256_OUTSIZE;
|
|
}
|
|
|
|
for (i = 0; i < key_size; i++) {
|
|
key_xor_ipad[i] = key[i] ^ 0x36;
|
|
key_xor_opad[i] = key[i] ^ 0x5c;
|
|
}
|
|
for (; i < SHA256_INSIZE; i++) {
|
|
key_xor_ipad[i] = 0x36;
|
|
key_xor_opad[i] = 0x5c;
|
|
}
|
|
sha256_begin(&hashed_key_xor_ipad);
|
|
sha256_hash(&hashed_key_xor_ipad, key_xor_ipad, SHA256_INSIZE);
|
|
sha256_begin(&hashed_key_xor_opad);
|
|
sha256_hash(&hashed_key_xor_opad, key_xor_opad, SHA256_INSIZE);
|
|
|
|
hmac_sha256_precomputed_v(out, &hashed_key_xor_ipad, &hashed_key_xor_opad, va);
|
|
va_end(va);
|
|
}
|
|
|
|
// RFC 5246:
|
|
// 5. HMAC and the Pseudorandom Function
|
|
//...
|
|
// In this section, we define one PRF, based on HMAC. This PRF with the
|
|
// SHA-256 hash function is used for all cipher suites defined in this
|
|
// document and in TLS documents published prior to this document when
|
|
// TLS 1.2 is negotiated.
|
|
//...
|
|
// P_hash(secret, seed) = HMAC_hash(secret, A(1) + seed) +
|
|
// HMAC_hash(secret, A(2) + seed) +
|
|
// HMAC_hash(secret, A(3) + seed) + ...
|
|
// where + indicates concatenation.
|
|
// A() is defined as:
|
|
// A(0) = seed
|
|
// A(1) = HMAC_hash(secret, A(0)) = HMAC_hash(secret, seed)
|
|
// A(i) = HMAC_hash(secret, A(i-1))
|
|
// P_hash can be iterated as many times as necessary to produce the
|
|
// required quantity of data. For example, if P_SHA256 is being used to
|
|
// create 80 bytes of data, it will have to be iterated three times
|
|
// (through A(3)), creating 96 bytes of output data; the last 16 bytes
|
|
// of the final iteration will then be discarded, leaving 80 bytes of
|
|
// output data.
|
|
//
|
|
// TLS's PRF is created by applying P_hash to the secret as:
|
|
//
|
|
// PRF(secret, label, seed) = P_<hash>(secret, label + seed)
|
|
//
|
|
// The label is an ASCII string.
|
|
static void tls_prf_hmac_sha256(
|
|
uint8_t *outbuf, unsigned outbuf_size,
|
|
uint8_t *secret, unsigned secret_size,
|
|
const char *label,
|
|
uint8_t *seed, unsigned seed_size)
|
|
{
|
|
uint8_t a[SHA256_OUTSIZE];
|
|
uint8_t *out_p = outbuf;
|
|
unsigned label_size = strlen(label);
|
|
|
|
/* In P_hash() calculation, "seed" is "label + seed": */
|
|
#define SEED label, label_size, seed, seed_size
|
|
#define SECRET secret, secret_size
|
|
#define A a, (int)(sizeof(a))
|
|
|
|
/* A(1) = HMAC_hash(secret, seed) */
|
|
hmac_sha256(a, SECRET, SEED, NULL);
|
|
|
|
for(;;) {
|
|
/* HMAC_hash(secret, A(1) + seed) */
|
|
if (outbuf_size <= SHA256_OUTSIZE) {
|
|
/* Last, possibly incomplete, block */
|
|
/* (use a[] as temp buffer) */
|
|
hmac_sha256(a, SECRET, A, SEED, NULL);
|
|
memcpy(out_p, a, outbuf_size);
|
|
return;
|
|
}
|
|
/* Not last block. Store directly to result buffer */
|
|
hmac_sha256(out_p, SECRET, A, SEED, NULL);
|
|
out_p += SHA256_OUTSIZE;
|
|
outbuf_size -= SHA256_OUTSIZE;
|
|
/* A(2) = HMAC_hash(secret, A(1)) */
|
|
hmac_sha256(a, SECRET, A, NULL);
|
|
}
|
|
#undef A
|
|
#undef SECRET
|
|
#undef SEED
|
|
}
|
|
|
|
/*
|
|
* TLS Handshake routines
|
|
*/
|
|
static void send_client_hello(tls_state_t *tls)
|
|
{
|
|
struct client_hello {
|
|
struct record_hdr xhdr;
|
|
uint8_t type;
|
|
uint8_t len24_hi, len24_mid, len24_lo;
|
|
uint8_t proto_maj, proto_min;
|
|
uint8_t rand32[32];
|
|
uint8_t session_id_len;
|
|
/* uint8_t session_id[]; */
|
|
uint8_t cipherid_len16_hi, cipherid_len16_lo;
|
|
uint8_t cipherid[2 * 1]; /* actually variable */
|
|
uint8_t comprtypes_len;
|
|
uint8_t comprtypes[1]; /* actually variable */
|
|
};
|
|
struct client_hello hello;
|
|
|
|
memset(&hello, 0, sizeof(hello));
|
|
hello.xhdr.type = RECORD_TYPE_HANDSHAKE;
|
|
hello.xhdr.proto_maj = TLS_MAJ;
|
|
hello.xhdr.proto_min = TLS_MIN;
|
|
//zero: hello.xhdr.len16_hi = (sizeof(hello) - sizeof(hello.xhdr)) >> 8;
|
|
hello.xhdr.len16_lo = (sizeof(hello) - sizeof(hello.xhdr));
|
|
hello.type = HANDSHAKE_CLIENT_HELLO;
|
|
//hello.len24_hi = 0;
|
|
//zero: hello.len24_mid = (sizeof(hello) - sizeof(hello.xhdr) - 4) >> 8;
|
|
hello.len24_lo = (sizeof(hello) - sizeof(hello.xhdr) - 4);
|
|
hello.proto_maj = TLS_MAJ; /* the "requested" version of the protocol, */
|
|
hello.proto_min = TLS_MIN; /* can be higher than one in record headers */
|
|
tls_get_random(hello.rand32, sizeof(hello.rand32));
|
|
//hello.session_id_len = 0;
|
|
//hello.cipherid_len16_hi = 0;
|
|
hello.cipherid_len16_lo = 2 * 1;
|
|
hello.cipherid[0] = CIPHER_ID >> 8;
|
|
hello.cipherid[1] = CIPHER_ID & 0xff;
|
|
hello.comprtypes_len = 1;
|
|
//hello.comprtypes[0] = 0;
|
|
|
|
xwrite_and_hash(tls, &hello, sizeof(hello));
|
|
memcpy(tls->client_and_server_rand32, hello.rand32, sizeof(hello.rand32));
|
|
|
|
#if 0 /* dump */
|
|
for (;;) {
|
|
uint8_t buf[16*1024];
|
|
sleep(2);
|
|
len = recv(tls->fd, buf, sizeof(buf), 0); //MSG_DONTWAIT);
|
|
if (len < 0) {
|
|
if (errno == EAGAIN)
|
|
continue;
|
|
bb_perror_msg_and_die("recv");
|
|
}
|
|
if (len == 0)
|
|
break;
|
|
dump(buf, len);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void get_server_hello(tls_state_t *tls)
|
|
{
|
|
struct server_hello {
|
|
struct record_hdr xhdr;
|
|
uint8_t type;
|
|
uint8_t len24_hi, len24_mid, len24_lo;
|
|
uint8_t proto_maj, proto_min;
|
|
uint8_t rand32[32]; /* first 4 bytes are unix time in BE format */
|
|
uint8_t session_id_len;
|
|
uint8_t session_id[32];
|
|
uint8_t cipherid_hi, cipherid_lo;
|
|
uint8_t comprtype;
|
|
/* extensions may follow, but only those which client offered in its Hello */
|
|
};
|
|
struct server_hello *hp;
|
|
uint8_t *cipherid;
|
|
|
|
xread_tls_handshake_block(tls, 74);
|
|
|
|
hp = (void*)tls->inbuf;
|
|
// 74 bytes:
|
|
// 02 000046 03|03 58|78|cf|c1 50|a5|49|ee|7e|29|48|71|fe|97|fa|e8|2d|19|87|72|90|84|9d|37|a3|f0|cb|6f|5f|e3|3c|2f |20 |d8|1a|78|96|52|d6|91|01|24|b3|d6|5b|b7|d0|6c|b3|e1|78|4e|3c|95|de|74|a0|ba|eb|a7|3a|ff|bd|a2|bf |00|9c |00|
|
|
//SvHl len=70 maj.min unixtime^^^ 28randbytes^^^^^^^^^^^^^^^^^^^^^^^^^^^^_^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^_^^^ slen sid32bytes^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cipSel comprSel
|
|
if (hp->type != HANDSHAKE_SERVER_HELLO
|
|
|| hp->len24_hi != 0
|
|
|| hp->len24_mid != 0
|
|
/* hp->len24_lo checked later */
|
|
|| hp->proto_maj != TLS_MAJ
|
|
|| hp->proto_min != TLS_MIN
|
|
) {
|
|
tls_error_die(tls);
|
|
}
|
|
|
|
cipherid = &hp->cipherid_hi;
|
|
if (hp->session_id_len != 32) {
|
|
if (hp->session_id_len != 0)
|
|
tls_error_die(tls);
|
|
|
|
// session_id_len == 0: no session id
|
|
// "The server
|
|
// may return an empty session_id to indicate that the session will
|
|
// not be cached and therefore cannot be resumed."
|
|
cipherid -= 32;
|
|
hp->len24_lo += 32; /* what len would be if session id would be present */
|
|
}
|
|
|
|
if (hp->len24_lo < 70
|
|
|| cipherid[0] != (CIPHER_ID >> 8)
|
|
|| cipherid[1] != (CIPHER_ID & 0xff)
|
|
|| cipherid[2] != 0 /* comprtype */
|
|
) {
|
|
tls_error_die(tls);
|
|
}
|
|
|
|
dbg("got SERVER_HELLO\n");
|
|
memcpy(tls->client_and_server_rand32 + 32, hp->rand32, sizeof(hp->rand32));
|
|
}
|
|
|
|
static void get_server_cert(tls_state_t *tls)
|
|
{
|
|
struct record_hdr *xhdr;
|
|
uint8_t *certbuf;
|
|
int len, len1;
|
|
|
|
len = xread_tls_handshake_block(tls, 10);
|
|
|
|
xhdr = (void*)tls->inbuf;
|
|
certbuf = (void*)(xhdr + 1);
|
|
if (certbuf[0] != HANDSHAKE_CERTIFICATE)
|
|
tls_error_die(tls);
|
|
dbg("got CERTIFICATE\n");
|
|
// 4392 bytes:
|
|
// 0b 00|11|24 00|11|21 00|05|b0 30|82|05|ac|30|82|04|94|a0|03|02|01|02|02|11|00|9f|85|bf|66|4b|0c|dd|af|ca|50|86|79|50|1b|2b|e4|30|0d...
|
|
//Cert len=4388 ChainLen CertLen^ DER encoded X509 starts here. openssl x509 -in FILE -inform DER -noout -text
|
|
len1 = get24be(certbuf + 1);
|
|
if (len1 > len - 4) tls_error_die(tls);
|
|
len = len1;
|
|
len1 = get24be(certbuf + 4);
|
|
if (len1 > len - 3) tls_error_die(tls);
|
|
len = len1;
|
|
len1 = get24be(certbuf + 7);
|
|
if (len1 > len - 3) tls_error_die(tls);
|
|
len = len1;
|
|
|
|
if (len)
|
|
find_key_in_der_cert(tls, certbuf + 10, len);
|
|
}
|
|
|
|
static void send_client_key_exchange(tls_state_t *tls)
|
|
{
|
|
struct client_key_exchange {
|
|
struct record_hdr xhdr;
|
|
uint8_t type;
|
|
uint8_t len24_hi, len24_mid, len24_lo;
|
|
uint8_t keylen16_hi, keylen16_lo; /* exist for RSA, but not for some other key types */
|
|
//had a bug when had no keylen: we:
|
|
//write(3, "\x16\x03\x03\x01\x84\x10\x00\x01\x80\xXX\xXX\xXX\xXX\xXX\xXX...", 393) = 393
|
|
//openssl:
|
|
//write to 0xe9a090 [0xf9ac20] (395 bytes => 395 (0x18B))
|
|
//0000 - 16 03 03 01 86 10 00 01 -82 01 80 xx xx xx xx xx
|
|
uint8_t key[384]; // size??
|
|
};
|
|
struct client_key_exchange record;
|
|
uint8_t rsa_premaster[SSL_HS_RSA_PREMASTER_SIZE];
|
|
|
|
memset(&record, 0, sizeof(record));
|
|
record.xhdr.type = RECORD_TYPE_HANDSHAKE;
|
|
record.xhdr.proto_maj = TLS_MAJ;
|
|
record.xhdr.proto_min = TLS_MIN;
|
|
record.xhdr.len16_hi = (sizeof(record) - sizeof(record.xhdr)) >> 8;
|
|
record.xhdr.len16_lo = (sizeof(record) - sizeof(record.xhdr)) & 0xff;
|
|
record.type = HANDSHAKE_CLIENT_KEY_EXCHANGE;
|
|
//record.len24_hi = 0;
|
|
record.len24_mid = (sizeof(record) - sizeof(record.xhdr) - 4) >> 8;
|
|
record.len24_lo = (sizeof(record) - sizeof(record.xhdr) - 4) & 0xff;
|
|
record.keylen16_hi = (sizeof(record) - sizeof(record.xhdr) - 6) >> 8;
|
|
record.keylen16_lo = (sizeof(record) - sizeof(record.xhdr) - 6) & 0xff;
|
|
|
|
tls_get_random(rsa_premaster, sizeof(rsa_premaster));
|
|
// RFC 5246
|
|
// "Note: The version number in the PreMasterSecret is the version
|
|
// offered by the client in the ClientHello.client_version, not the
|
|
// version negotiated for the connection."
|
|
rsa_premaster[0] = TLS_MAJ;
|
|
rsa_premaster[1] = TLS_MIN;
|
|
psRsaEncryptPub(/*pool:*/ NULL,
|
|
/* psRsaKey_t* */ &tls->server_rsa_pub_key,
|
|
rsa_premaster, /*inlen:*/ sizeof(rsa_premaster),
|
|
record.key, sizeof(record.key),
|
|
data_param_ignored
|
|
);
|
|
|
|
xwrite_and_hash(tls, &record, sizeof(record));
|
|
|
|
// RFC 5246
|
|
// For all key exchange methods, the same algorithm is used to convert
|
|
// the pre_master_secret into the master_secret. The pre_master_secret
|
|
// should be deleted from memory once the master_secret has been
|
|
// computed.
|
|
// master_secret = PRF(pre_master_secret, "master secret",
|
|
// ClientHello.random + ServerHello.random)
|
|
// [0..47];
|
|
// The master secret is always exactly 48 bytes in length. The length
|
|
// of the premaster secret will vary depending on key exchange method.
|
|
tls_prf_hmac_sha256(
|
|
tls->master_secret, sizeof(tls->master_secret),
|
|
rsa_premaster, sizeof(rsa_premaster),
|
|
"master secret",
|
|
tls->client_and_server_rand32, sizeof(tls->client_and_server_rand32)
|
|
);
|
|
|
|
// RFC 5246
|
|
// 6.3. Key Calculation
|
|
//
|
|
// The Record Protocol requires an algorithm to generate keys required
|
|
// by the current connection state (see Appendix A.6) from the security
|
|
// parameters provided by the handshake protocol.
|
|
//
|
|
// The master secret is expanded into a sequence of secure bytes, which
|
|
// is then split to a client write MAC key, a server write MAC key, a
|
|
// client write encryption key, and a server write encryption key. Each
|
|
// of these is generated from the byte sequence in that order. Unused
|
|
// values are empty. Some AEAD ciphers may additionally require a
|
|
// client write IV and a server write IV (see Section 6.2.3.3).
|
|
//
|
|
// When keys and MAC keys are generated, the master secret is used as an
|
|
// entropy source.
|
|
//
|
|
// To generate the key material, compute
|
|
//
|
|
// key_block = PRF(SecurityParameters.master_secret,
|
|
// "key expansion",
|
|
// SecurityParameters.server_random +
|
|
// SecurityParameters.client_random);
|
|
//
|
|
// until enough output has been generated. Then, the key_block is
|
|
// partitioned as follows:
|
|
//
|
|
// client_write_MAC_key[SecurityParameters.mac_key_length]
|
|
// server_write_MAC_key[SecurityParameters.mac_key_length]
|
|
// client_write_key[SecurityParameters.enc_key_length]
|
|
// server_write_key[SecurityParameters.enc_key_length]
|
|
// client_write_IV[SecurityParameters.fixed_iv_length]
|
|
// server_write_IV[SecurityParameters.fixed_iv_length]
|
|
{
|
|
uint8_t tmp64[64];
|
|
/* make server_rand32 + client_rand32 */
|
|
memcpy(&tmp64[0] , &tls->client_and_server_rand32[32], 32);
|
|
memcpy(&tmp64[32], &tls->client_and_server_rand32[0] , 32);
|
|
|
|
tls_prf_hmac_sha256(
|
|
tls->client_write_MAC_key, sizeof(tls->client_write_MAC_key),
|
|
tls->master_secret, sizeof(tls->master_secret),
|
|
"key expansion",
|
|
tmp64, 64
|
|
);
|
|
}
|
|
}
|
|
|
|
static void send_change_cipher_spec(tls_state_t *tls)
|
|
{
|
|
static const uint8_t rec[] = {
|
|
RECORD_TYPE_CHANGE_CIPHER_SPEC, TLS_MAJ, TLS_MIN, 00, 01,
|
|
01
|
|
};
|
|
/* Not "xwrite_and_hash": this is not a handshake message */
|
|
xwrite(tls->fd, rec, sizeof(rec));
|
|
|
|
tls->write_seq64_be = 0;
|
|
tls->encrypt_on_write = 1;
|
|
}
|
|
|
|
static void send_client_finished(tls_state_t *tls)
|
|
{
|
|
// 7.4.9. Finished
|
|
// A Finished message is always sent immediately after a change
|
|
// cipher spec message to verify that the key exchange and
|
|
// authentication processes were successful. It is essential that a
|
|
// change cipher spec message be received between the other handshake
|
|
// messages and the Finished message.
|
|
//...
|
|
// The Finished message is the first one protected with the just
|
|
// negotiated algorithms, keys, and secrets. Recipients of Finished
|
|
// messages MUST verify that the contents are correct. Once a side
|
|
// has sent its Finished message and received and validated the
|
|
// Finished message from its peer, it may begin to send and receive
|
|
// application data over the connection.
|
|
//...
|
|
// struct {
|
|
// opaque verify_data[verify_data_length];
|
|
// } Finished;
|
|
//
|
|
// verify_data
|
|
// PRF(master_secret, finished_label, Hash(handshake_messages))
|
|
// [0..verify_data_length-1];
|
|
//
|
|
// finished_label
|
|
// For Finished messages sent by the client, the string
|
|
// "client finished". For Finished messages sent by the server,
|
|
// the string "server finished".
|
|
//
|
|
// Hash denotes a Hash of the handshake messages. For the PRF
|
|
// defined in Section 5, the Hash MUST be the Hash used as the basis
|
|
// for the PRF. Any cipher suite which defines a different PRF MUST
|
|
// also define the Hash to use in the Finished computation.
|
|
//
|
|
// In previous versions of TLS, the verify_data was always 12 octets
|
|
// long. In the current version of TLS, it depends on the cipher
|
|
// suite. Any cipher suite which does not explicitly specify
|
|
// verify_data_length has a verify_data_length equal to 12. This
|
|
// includes all existing cipher suites.
|
|
struct client_finished {
|
|
struct record_hdr xhdr;
|
|
uint8_t type;
|
|
uint8_t len24_hi, len24_mid, len24_lo;
|
|
uint8_t prf_result[12];
|
|
};
|
|
struct client_finished record;
|
|
uint8_t handshake_hash[SHA256_OUTSIZE];
|
|
sha256_ctx_t ctx;
|
|
|
|
memset(&record, 0, sizeof(record));
|
|
record.xhdr.type = RECORD_TYPE_HANDSHAKE;
|
|
record.xhdr.proto_maj = TLS_MAJ;
|
|
record.xhdr.proto_min = TLS_MIN;
|
|
record.xhdr.len16_hi = (sizeof(record) - sizeof(record.xhdr)) >> 8;
|
|
record.xhdr.len16_lo = (sizeof(record) - sizeof(record.xhdr)) & 0xff;
|
|
record.type = HANDSHAKE_FINISHED;
|
|
//record.len24_hi = 0;
|
|
record.len24_mid = (sizeof(record) - sizeof(record.xhdr) - 4) >> 8;
|
|
record.len24_lo = (sizeof(record) - sizeof(record.xhdr) - 4) & 0xff;
|
|
//FIXME ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code is repeatable
|
|
|
|
ctx = tls->handshake_sha256_ctx; /* struct copy */
|
|
sha256_end(&ctx, handshake_hash);
|
|
tls_prf_hmac_sha256(record.prf_result, sizeof(record.prf_result),
|
|
tls->master_secret, sizeof(tls->master_secret),
|
|
"client finished",
|
|
handshake_hash, sizeof(handshake_hash)
|
|
);
|
|
|
|
//(1) TODO: well, this should be encrypted on send, really.
|
|
//(2) do we really need to also hash it?
|
|
|
|
xwrite_and_hash(tls, &record, sizeof(record));
|
|
|
|
//s_client does this:
|
|
//
|
|
//write to 0x1d750b0 [0x1e74620] (6 bytes => 6 (0x6))
|
|
//0000 - 14 03 03 00 01 01 ...... >> CHANGE_CIPHER_SPEC
|
|
//
|
|
//write to 0x1d750b0 [0x1e74620] (53 bytes => 53 (0x35))
|
|
//0000 - 16 03 03 0030 14 00000c [ed b9 e1 33 36 0b 76 ....0.......36.v >> FINISHED (0x14) [PRF 12 bytes|SHA256_OUTSIZE 32 bytes]
|
|
//0010 - c0 d1 d4 0b a3|73 ec a8-fa b5 cb 12 b6 4c 2a b1 .....s.......L*.
|
|
//0020 - fb 42 7f 73 0d 06 1c 87-56 f0 db df e6 6a 25 aa .B.s....V....j%.
|
|
//0030 - fc 42 38 cb 0b] .B8..
|
|
|
|
//we do this (as seen by s_server):
|
|
//
|
|
//read from 0x26b7650 [0x26ac383] (5 bytes => 5 (0x5))
|
|
//0000 - 14 03 03 00 01 .....
|
|
//read from 0x26b7650 [0x26ac388] (1 bytes => 1 (0x1))
|
|
//0000 - 01 . << CHANGE_CIPHER_SPEC
|
|
//read from 0x26b7650 [0x26ac383] (5 bytes => 5 (0x5))
|
|
//0000 - 16 03 03 0030 ....0
|
|
//read from 0x26b7650 [0x26ac388] (48 bytes => 48 (0x30))
|
|
//0000 - 14 00000c [d1 6f 08 c3-ef ec 26 7c 17 76 ac 1c| .....o....&|.v.. << FINISHED (0x14) [PRF 12 bytes|SHA256_OUTSIZE 32 bytes]
|
|
//0010 - 0b 27 ae 1c 59 f8 cb af-de 25 25 7e 50 51 da dd .'..Y....%%~PQ..
|
|
//0020 - c2 9e d6 27 96 0b 72 05-63 54 89 00 0e d7 b1 10] ...'..r.cT......
|
|
//
|
|
//write to 0x26b7650 [0x26b4d90] (7 bytes => 7 (0x7))
|
|
//0000 - 15 03 03 00 02 02 33 ......3
|
|
//ERROR
|
|
//140684206577528:error:1408C095:SSL routines:ssl3_get_finished:digest check failed:s3_both.c:273:
|
|
//140684206577528:error:1409E0E5:SSL routines:ssl3_write_bytes:ssl handshake failure:s3_pkt.c:656:
|
|
}
|
|
|
|
static void get_change_cipher_spec(tls_state_t *tls)
|
|
{
|
|
tls->fd = 0;
|
|
}
|
|
|
|
static void get_server_finished(tls_state_t *tls)
|
|
{
|
|
tls->fd = 0;
|
|
}
|
|
|
|
static void tls_handshake(tls_state_t *tls)
|
|
{
|
|
// Client RFC 5246 Server
|
|
// (*) - optional messages, not always sent
|
|
//
|
|
// ClientHello ------->
|
|
// ServerHello
|
|
// Certificate*
|
|
// ServerKeyExchange*
|
|
// CertificateRequest*
|
|
// <------- ServerHelloDone
|
|
// Certificate*
|
|
// ClientKeyExchange
|
|
// CertificateVerify*
|
|
// [ChangeCipherSpec]
|
|
// Finished ------->
|
|
// [ChangeCipherSpec]
|
|
// <------- Finished
|
|
// Application Data <------> Application Data
|
|
int len;
|
|
|
|
send_client_hello(tls);
|
|
get_server_hello(tls);
|
|
|
|
//RFC 5246
|
|
// The server MUST send a Certificate message whenever the agreed-
|
|
// upon key exchange method uses certificates for authentication
|
|
// (this includes all key exchange methods defined in this document
|
|
// except DH_anon). This message will always immediately follow the
|
|
// ServerHello message.
|
|
//
|
|
// IOW: in practice, Certificate *always* follows.
|
|
// (for example, kernel.org does not even accept DH_anon cipher id)
|
|
get_server_cert(tls);
|
|
|
|
len = xread_tls_handshake_block(tls, 4);
|
|
if (tls->inbuf[5] == HANDSHAKE_SERVER_KEY_EXCHANGE) {
|
|
// 459 bytes:
|
|
// 0c 00|01|c7 03|00|17|41|04|87|94|2e|2f|68|d0|c9|f4|97|a8|2d|ef|ed|67|ea|c6|f3|b3|56|47|5d|27|b6|bd|ee|70|25|30|5e|b0|8e|f6|21|5a...
|
|
//SvKey len=455^
|
|
// with TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA: 461 bytes:
|
|
// 0c 00|01|c9 03|00|17|41|04|cd|9b|b4|29|1f|f6|b0|c2|84|82|7f|29|6a|47|4e|ec|87|0b|c1|9c|69|e1|f8|c6|d0|53|e9|27|90|a5|c8|02|15|75...
|
|
dbg("got SERVER_KEY_EXCHANGE len:%u\n", len);
|
|
//need to save it
|
|
xread_tls_handshake_block(tls, 4);
|
|
}
|
|
// if (tls->inbuf[5] == HANDSHAKE_CERTIFICATE_REQUEST) {
|
|
// dbg("got CERTIFICATE_REQUEST\n");
|
|
//RFC 5246: (in response to this,) "If no suitable certificate is available,
|
|
// the client MUST send a certificate message containing no
|
|
// certificates. That is, the certificate_list structure has a
|
|
// length of zero. ...
|
|
// Client certificates are sent using the Certificate structure
|
|
// defined in Section 7.4.2."
|
|
// (i.e. the same format as server certs)
|
|
// xread_tls_handshake_block(tls, 4);
|
|
// }
|
|
if (tls->inbuf[5] == HANDSHAKE_SERVER_HELLO_DONE) {
|
|
// 0e 000000 (len:0)
|
|
dbg("got SERVER_HELLO_DONE\n");
|
|
send_client_key_exchange(tls);
|
|
send_change_cipher_spec(tls);
|
|
//we now should be able to send encrypted... as soon as we grok AES.
|
|
send_client_finished(tls);
|
|
get_change_cipher_spec(tls);
|
|
get_server_finished(tls);
|
|
//we now should receive encrypted, and application data can be sent/received
|
|
} else {
|
|
tls_error_die(tls);
|
|
}
|
|
}
|
|
|
|
// To run a test server using openssl:
|
|
// openssl s_server -key key.pem -cert server.pem -debug -tls1_2 -no_tls1 -no_tls1_1
|
|
// openssl req -x509 -newkey rsa:$((4096/4*3)) -keyout key.pem -out server.pem -nodes -days 99999 -subj '/CN=localhost'
|
|
|
|
int tls_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int tls_main(int argc UNUSED_PARAM, char **argv)
|
|
{
|
|
tls_state_t *tls;
|
|
len_and_sockaddr *lsa;
|
|
int fd;
|
|
|
|
// INIT_G();
|
|
// getopt32(argv, "myopts")
|
|
|
|
if (!argv[1])
|
|
bb_show_usage();
|
|
|
|
lsa = xhost2sockaddr(argv[1], 443);
|
|
fd = xconnect_stream(lsa);
|
|
|
|
tls = new_tls_state();
|
|
tls->fd = fd;
|
|
tls_handshake(tls);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
//TODO: implement RFC 5746 (Renegotiation Indication Extension) - some servers will refuse to work with us otherwise
|
|
|
|
/* Unencryped SHA256 example:
|
|
* $ openssl req -x509 -newkey rsa:$((4096/4*3)) -keyout key.pem -out server.pem -nodes -days 99999 -subj '/CN=localhost'
|
|
* $ openssl s_server -key key.pem -cert server.pem -debug -tls1_2 -no_tls1 -no_tls1_1 -cipher NULL
|
|
* $ openssl s_client -connect 127.0.0.1:4433 -debug -tls1_2 -no_tls1 -no_tls1_1 -cipher NULL-SHA256
|
|
* s_client says:
|
|
|
|
write to 0x1d750b0 [0x1e6f153] (99 bytes => 99 (0x63))
|
|
0000 - 16 03 01 005e 01 00005a 0303 [4d ef 5c 82 3e ....^...Z..M.\.> >> ClHello
|
|
0010 - bf a6 ee f1 1e 04 d1 5c-99 20 86 13 e9 0a cf 58 .......\. .....X
|
|
0020 - 75 b1 bd 7a e6 d6 44 f3-d3 a1 52] 00 0004 003b u..z..D...R....; 003b = TLS_RSA_WITH_NULL_SHA256
|
|
0030 - 00ff TLS_EMPTY_RENEGOTIATION_INFO_SCSV
|
|
0100 compr=none
|
|
002d, 0023 0000, 000d 0020 [00 1e .....-.#..... .. extlen, SessionTicketTLS 0 bytes, SignatureAlgorithms 32 bytes
|
|
0040 - 06 01 06 02 06 03 05 01-05 02 05 03 04 01 04 02 ................
|
|
0050 - 04 03 03 01 03 02 03 03-02 01 02 02 02 03] 000f ................ Heart Beat 1 byte
|
|
0060 - 0001 01 ...
|
|
|
|
read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
|
|
0000 - 16 03 03 00 3a ....:
|
|
read from 0x1d750b0 [0x1e6ac08] (58 bytes => 58 (0x3A))
|
|
0000 - 02 000036 0303 [f2 61-ae c8 58 e3 51 42 32 93 ...6...a..X.QB2. << SvHello
|
|
0010 - c5 62 e4 f5 06 93 81 65-aa f7 df 74 af 7c 98 b4 .b.....e...t.|..
|
|
0020 - 3e a7 35 c3 25 69] 00,003b,00.................. >.5.%i..;....... - no session id! "The server
|
|
may return an empty session_id to indicate that the session will
|
|
not be cached and therefore cannot be resumed."
|
|
003b = TLS_RSA_WITH_NULL_SHA256 accepted, 00 - no compr
|
|
000e ff01 0001 extlen, 0xff01=RenegotiationInfo 1 byte
|
|
0030 - 00, 0023 0000, SessionTicketTLS 0 bytes
|
|
000f 0001 01 ..#....... Heart Beat 1 byte
|
|
|
|
read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
|
|
0000 - 16 03 03 04 0b .....
|
|
read from 0x1d750b0 [0x1e6ac08] (1035 bytes => 1035 (0x40B))
|
|
0000 - 0b 00 04 07 00 04 04 00-04 01 30 82 03 fd 30 82 ..........0...0. << Cert
|
|
0010 - 02 65 a0 03 02 01 02 02-09 00 d9 d9 8d b8 94 ad .e..............
|
|
0020 - 2e 2b 30 0d 06 09 2a 86-48 86 f7 0d 01 01 0b 05 .+0...*.H.......
|
|
0030 - 00 30 14 31 12 30 10 06-03 55 04 03 0c 09 6c 6f .0.1.0...U....lo
|
|
0040 - 63 61 6c 68 6f 73 74 30-20 17 0d 31 37 30 31 31 calhost0 ..17011
|
|
0050 - 36 30 33 30 39 34 36 5a-18 0f 32 32 39 30 31 30 6030946Z..229010
|
|
0060 - 33 31 30 33 30 39 34 36-5a 30 14 31 12 30 10 06 31030946Z0.1.0..
|
|
0070 - 03 55 04 03 0c 09 6c 6f-63 61 6c 68 6f 73 74 30 .U....localhost0
|
|
0080 - 82 01 a2 30 0d 06 09 2a-86 48 86 f7 0d 01 01 01 ...0...*.H......
|
|
0090 - 05 00 03 82 01 8f 00 30-82 01 8a 02 82 01 81 00 .......0........
|
|
00a0 - f5 a8 66 54 af fd 33 9e-fb 1d 2d d7 33 ff b9 99 ..fT..3...-.3...
|
|
00b0 - 21 16 8a 65 75 1c 39 9d-0a c3 fc 8c 6d 63 de 7b !..eu.9.....mc.{
|
|
00c0 - d8 1e d8 20 a1 a9 d5 ab-2a 8e d1 4f b8 9a f4 f7 ... ....*..O....
|
|
00d0 - 91 0d db 70 a8 59 d3 0d-8f 6f bb 51 a4 5c f1 c1 ...p.Y...o.Q.\..
|
|
00e0 - ce 1e b5 58 3a 46 1b 2a-1f 7c 75 87 b4 9f ed d3 ...X:F.*.|u.....
|
|
00f0 - 3d 9a cf a4 5b 96 5b 25-cf f5 33 1c c8 7a 8a 37 =...[.[%..3..z.7
|
|
0100 - 69 2f 63 8c f9 a4 a5 40-06 c9 63 cf fd 35 5d d3 i/c....@..c..5].
|
|
0110 - 8e e3 17 2f 8a ab 5e fd-6c 7e 5b 03 bb b6 3c e3 .../..^.l~[...<.
|
|
0120 - 32 01 99 72 45 a7 a3 c3-11 d8 6c dc 50 a6 75 01 2..rE.....l.P.u.
|
|
0130 - a2 81 85 56 5e be eb 8c-ad 44 05 cf 47 e0 3e 8b ...V^....D..G.>.
|
|
0140 - cd 6e 08 11 ee 5e 94 39-5d 8c a2 e3 b0 03 7f c2 .n...^.9].......
|
|
0150 - f8 99 35 0b d1 c2 3c 37-49 a8 bb 70 8e e2 a6 c8 ..5...<7I..p....
|
|
0160 - 5b 7d f5 d1 dc 6e ef fb-83 f7 4c ef 8c 85 e3 b9 [}...n....L.....
|
|
0170 - fd 51 18 70 7e a5 03 b7-6d e5 c6 c2 d1 4d e2 16 .Q.p~...m....M..
|
|
0180 - 42 c8 21 25 2a 27 af c4-4a c2 f0 b6 2f 72 46 33 B.!%*'..J.../rF3
|
|
0190 - b1 89 d8 95 7a 9d 52 db-75 ae f4 a0 97 32 8c 5f ....z.R.u....2._
|
|
01a0 - 97 e7 5d 12 15 3f 85 8f-d1 9c ca a0 fd 59 cd c5 ..]..?.......Y..
|
|
01b0 - 25 70 d3 97 62 04 af cb-19 1b 6e 24 c9 82 b8 25 %p..b.....n$...%
|
|
01c0 - c3 5c bd d7 ee 08 17 6f-ea 99 24 2f c7 05 a8 40 .\.....o..$/...@
|
|
01d0 - 24 d5 74 7b 5b 65 c5 ec-97 63 de d1 46 d2 c4 09 $.t{[e...c..F...
|
|
01e0 - c2 22 23 99 ce 13 03 6f-b4 08 7f 3e 00 c6 fe 91 ."#....o...>....
|
|
01f0 - bc c8 ba b2 32 c2 42 9d-89 de 04 d0 36 27 9e 8c ....2.B.....6'..
|
|
0200 - ad 79 3e d6 84 38 db cd-57 ad 68 05 85 0b 13 59 .y>..8..W.h....Y
|
|
0210 - 11 5a 2b a4 d0 5f c3 ee-1a 02 69 d4 c5 bf 19 b5 .Z+.._....i.....
|
|
0220 - 02 03 01 00 01 a3 50 30-4e 30 1d 06 03 55 1d 0e ......P0N0...U..
|
|
0230 - 04 16 04 14 08 87 29 ce-04 09 7f 11 33 80 ba 30 ......).....3..0
|
|
0240 - b2 77 84 b4 73 6e 82 94-30 1f 06 03 55 1d 23 04 .w..sn..0...U.#.
|
|
0250 - 18 30 16 80 14 08 87 29-ce 04 09 7f 11 33 80 ba .0.....).....3..
|
|
0260 - 30 b2 77 84 b4 73 6e 82-94 30 0c 06 03 55 1d 13 0.w..sn..0...U..
|
|
0270 - 04 05 30 03 01 01 ff 30-0d 06 09 2a 86 48 86 f7 ..0....0...*.H..
|
|
0280 - 0d 01 01 0b 05 00 03 82-01 81 00 22 c4 a8 6f 0a ..........."..o.
|
|
0290 - 40 a0 c4 92 ae 83 86 9c-42 f8 0a a8 c7 72 d2 5d @.......B....r.]
|
|
02a0 - de 78 f2 5a 38 e0 e6 0b-3c df af dd 6c 44 a9 0a .x.Z8...<...lD..
|
|
02b0 - 81 f3 0e 49 e5 07 da 40-0f 85 73 db d6 86 87 6a ...I...@..s....j
|
|
02c0 - b9 29 75 6a a9 dd fc 16-81 dc eb 25 3a c7 dc 3f .)uj.......%:..?
|
|
02d0 - c8 a3 2d bb 49 3e 08 72-e9 03 e6 2f ee 1e 17 9a ..-.I>.r.../....
|
|
02e0 - 9c f6 fd 3c 73 cf e4 2c-5d f1 a8 1c 93 f7 1d f7 ...<s..,].......
|
|
02f0 - ae b2 96 bf ba bd d0 5d-3f 4e d3 54 5e 81 47 72 .......]?N.T^.Gr
|
|
0300 - a1 35 39 db fa a7 54 96-f4 1f e5 5e c8 80 f8 1f .59...T....^....
|
|
0310 - 73 e5 09 14 ae e5 4a c2-f3 72 5c d8 52 6e d8 d2 s.....J..r\.Rn..
|
|
0320 - e9 de 48 14 56 fc 32 ce-69 a3 68 a1 e9 f5 78 e8 ..H.V.2.i.h...x.
|
|
0330 - ad 84 a8 c3 45 1a 3a 7d-54 db e3 ce 84 9e b1 d7 ....E.:}T.......
|
|
0340 - 60 8e b2 e7 15 84 8e a5-0f c4 53 e4 b9 71 e7 46 `.........S..q.F
|
|
0350 - 93 f7 af 00 bd 3d 36 9a-4e 8f eb e1 18 06 54 49 .....=6.N.....TI
|
|
0360 - 4a 79 9f 3d db 9d d6 e7-57 b7 75 dd 26 ac b7 86 Jy.=....W.u.&...
|
|
0370 - 19 f0 f9 b6 5e 35 36 a4-5a a7 b0 33 88 9e 7f c9 ....^56.Z..3....
|
|
0380 - f3 3e cc 02 ce 49 3c 0e-25 42 27 bf 7b 38 db d8 .>...I<.%B'.{8..
|
|
0390 - 3a 87 6f db 79 7a 54 c1-a3 6a 54 01 17 92 04 24 :.o.yzT..jT....$
|
|
03a0 - 6c 66 1d 47 45 4e 3a af-fe 45 1d 2c 23 81 f6 cc lf.GEN:..E.,#...
|
|
03b0 - e1 0d 89 81 90 b6 3b 7d-49 8d 0f d5 d8 f6 d8 0c ......;}I.......
|
|
03c0 - 7e 47 1e fb b7 a0 7a 66-7a 1e f2 ba 4e 28 ed 36 ~G....zfz...N(.6
|
|
03d0 - 6b b6 2b e5 9c 57 0e ba-df 44 1b 4d 5e a2 9e 3f k.+..W...D.M^..?
|
|
03e0 - 29 18 b6 7c 26 ea 6a d5-0d f1 e9 42 fa 08 0d 44 )..|&.j....B...D
|
|
03f0 - 11 8a cd c5 a3 0a 22 43-d5 13 f9 a5 8a 06 f9 00 ......"C........
|
|
0400 - 3c f7 86 4e e8 a5 d8 5b-92 37 f5 <..N...[.7.
|
|
depth=0 CN = localhost
|
|
verify error:num=18:self signed certificate
|
|
verify return:1
|
|
depth=0 CN = localhost
|
|
verify return:1
|
|
|
|
read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
|
|
0000 - 16 03 03 00 04 .....
|
|
|
|
read from 0x1d750b0 [0x1e6ac08] (4 bytes => 4 (0x4)) << SvDone
|
|
0000 - 0e .
|
|
0004 - <SPACES/NULS>
|
|
|
|
write to 0x1d750b0 [0x1e74620] (395 bytes => 395 (0x18B)) >> ClDone
|
|
0000 - 16 03 03 01 86 10 00 01-82 01 80 88 f0 87 5d b0 ..............].
|
|
0010 - ea df 3b 4d e2 35 f3 99-e6 d4 29 87 36 86 ea 30 ..;M.5....).6..0
|
|
0020 - 38 80 c7 37 66 7f 5b e7-23 38 7e 87 24 66 82 81 8..7f.[.#8~.$f..
|
|
0030 - e4 ba 6c 2a 0c 92 a8 b9-39 c1 55 16 32 88 14 cd ..l*....9.U.2...
|
|
0040 - 95 8c 82 49 a1 c7 f9 9b-e5 8f f6 5e 7e ee 91 b3 ...I.......^~...
|
|
0050 - 2c 92 e7 a3 02 f8 9f 56-04 45 39 df a7 d6 1a 16 ,......V.E9.....
|
|
0060 - 67 5c a4 f8 87 8a c4 c8-6c 6f c6 f0 9b c9 b4 87 g\......lo......
|
|
0070 - 36 43 c1 67 9f b3 aa 11-34 b0 c2 fc 1f d9 e1 ff 6C.g....4.......
|
|
0080 - fb e1 89 db 91 58 ec cc-aa 16 19 9a 91 74 e2 46 .....X.......t.F
|
|
0090 - 22 a7 a7 f7 9e 3c 97 82-2c e4 21 b3 fa ef ba 3f "....<..,.!....?
|
|
00a0 - 57 48 e4 b2 84 b7 c2 81-92 a9 f1 03 68 f4 e6 0c WH..........h...
|
|
00b0 - fd 54 87 f5 e9 a0 5d e6-5f 0e bd 80 86 27 ab 0e .T....]._....'..
|
|
00c0 - cf 92 4f bd fc 24 b9 54-72 5f 58 df 6b 2b 1d 97 ..O..$.Tr_X.k+..
|
|
00d0 - 00 60 fe 95 b0 aa d6 c7-c1 3a f9 2e 7c 92 a9 6d .`.......:..|..m
|
|
00e0 - 28 a3 ef 3e c1 e6 2d 2d-e8 db 81 ea 51 02 3f 64 (..>..--....Q.?d
|
|
00f0 - a8 66 14 c1 4b 17 1f 55-c6 5b 3b 38 c3 6a 61 a8 .f..K..U.[;8.ja.
|
|
0100 - f7 ad 65 7d cb 14 6d b3-0f 76 19 25 8e ed bd 53 ..e}..m..v.%...S
|
|
0110 - 35 a9 a1 34 00 9d 07 81-84 51 35 e0 83 83 e3 a6 5..4.....Q5.....
|
|
0120 - c7 77 4c 61 e4 78 9c cb-f5 92 4e d6 dd c4 c2 2b .wLa.x....N....+
|
|
0130 - 75 9e 72 a6 7f 81 6a 1c-fc 4a 51 91 81 b4 cc 33 u.r...j..JQ....3
|
|
0140 - 1c 8b 0a b6 94 8b 16 1b-86 2f 31 5e 31 e1 57 14 ........./1^1.W.
|
|
0150 - 2e b5 09 5d cf 6f ea b2-94 e9 5c cc b9 fc 24 a0 ...].o....\...$.
|
|
0160 - b7 f1 f4 9d 95 46 4f 08-5c 45 c6 2f 9f 7d 76 09 .....FO.\E./.}v.
|
|
0170 - 6a af 50 2c 89 76 82 5f-e8 34 d8 4b 84 b6 34 18 j.P,.v._.4.K..4.
|
|
0180 - 85 95 4a 3f 0f 28 88 3a-71 32 90 ..J?.(.:q2.
|
|
|
|
write to 0x1d750b0 [0x1e74620] (6 bytes => 6 (0x6))
|
|
0000 - 14 03 03 00 01 01 ...... >> CHANGE_CIPHER_SPEC
|
|
|
|
write to 0x1d750b0 [0x1e74620] (53 bytes => 53 (0x35))
|
|
0000 - 16 03 03 0030 14 00000c [ed b9 e1 33 36 0b 76 ....0.......36.v >> FINISHED (0x14) [PRF 12 bytes|SHA256_OUTSIZE 32 bytes]
|
|
0010 - c0 d1 d4 0b a3|73 ec a8-fa b5 cb 12 b6 4c 2a b1 .....s.......L*.
|
|
0020 - fb 42 7f 73 0d 06 1c 87-56 f0 db df e6 6a 25 aa .B.s....V....j%.
|
|
0030 - fc 42 38 cb 0b] .B8..
|
|
|
|
read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
|
|
0000 - 16 03 03 00 aa .....
|
|
read from 0x1d750b0 [0x1e6ac08] (170 bytes => 170 (0xAA))
|
|
0000 - 04 00 00 a6 00 00 1c 20-00 a0 dd f4 52 01 54 8d ....... ....R.T. << NEW_SESSION_TICKET
|
|
0010 - f8 a6 f9 2d 7d 19 20 5b-14 44 d3 2d 7b f2 ca e8 ...-}. [.D.-{...
|
|
0020 - 01 4e 94 7b fe 12 59 3a-00 2e 7e cf 74 43 7a f7 .N.{..Y:..~.tCz.
|
|
0030 - 9e cc 70 80 70 7c e3 a5-c6 9d 85 2c 36 19 4c 5c ..p.p|.....,6.L\
|
|
0040 - ba 3b c3 e5 69 dc f3 a4-47 38 11 c9 7d 1a b0 6e .;..i...G8..}..n
|
|
0050 - d8 49 a0 a8 e4 de 70 a8-d0 6b e4 7a b7 65 25 df .I....p..k.z.e%.
|
|
0060 - 1b 5f 64 0f 89 69 02 72-fe eb d3 7a af 51 78 0e ._d..i.r...z.Qx.
|
|
0070 - de 17 06 a5 f0 47 9d e0-04 d4 b1 1e be 7e ed bd .....G.......~..
|
|
0080 - 27 8f 5d e8 ac f6 45 aa-e0 12 93 41 5f a8 4b b9 '.]...E....A_.K.
|
|
0090 - bd 43 8f a1 23 51 af 92-77 8f 38 23 3e 2e c2 f0 .C..#Q..w.8#>...
|
|
00a0 - a3 74 fa 83 94 ce 19 8a-5b 5b .t......[[
|
|
|
|
read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
|
|
0000 - 14 03 03 00 01 ..... << CHANGE_CIPHER_SPEC
|
|
read from 0x1d750b0 [0x1e6ac08] (1 bytes => 1 (0x1))
|
|
0000 - 01 .
|
|
|
|
read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
|
|
0000 - 16 03 03 00 30 ....0
|
|
read from 0x1d750b0 [0x1e6ac08] (48 bytes => 48 (0x30))
|
|
0000 - 14 00000c [06 86 0d 5c-92 0b 63 04 cc b4 f0 00 .......\..c..... << FINISHED (0x14) [PRF 12 bytes|SHA256_OUTSIZE 32 bytes]
|
|
0010 -|49 d6 dd 56 73 e3 d2 e8-22 d6 bd 61 b2 b3 af f0 I..Vs..."..a....
|
|
0020 - f5 00 8a 80 82 04 33 a7-50 8e ae 3b 4c 8c cf 4a] ......3.P..;L..J
|
|
---
|
|
Certificate chain
|
|
0 s:/CN=localhost
|
|
i:/CN=localhost
|
|
---
|
|
Server certificate
|
|
-----BEGIN CERTIFICATE-----
|
|
MIID/TCCAmWgAwIBAgIJANnZjbiUrS4rMA0GCSqGSIb3DQEBCwUAMBQxEjAQBgNV
|
|
BAMMCWxvY2FsaG9zdDAgFw0xNzAxMTYwMzA5NDZaGA8yMjkwMTAzMTAzMDk0Nlow
|
|
FDESMBAGA1UEAwwJbG9jYWxob3N0MIIBojANBgkqhkiG9w0BAQEFAAOCAY8AMIIB
|
|
igKCAYEA9ahmVK/9M577HS3XM/+5mSEWimV1HDmdCsP8jG1j3nvYHtggoanVqyqO
|
|
0U+4mvT3kQ3bcKhZ0w2Pb7tRpFzxwc4etVg6RhsqH3x1h7Sf7dM9ms+kW5ZbJc/1
|
|
MxzIeoo3aS9jjPmkpUAGyWPP/TVd047jFy+Kq179bH5bA7u2POMyAZlyRaejwxHY
|
|
bNxQpnUBooGFVl6+64ytRAXPR+A+i81uCBHuXpQ5XYyi47ADf8L4mTUL0cI8N0mo
|
|
u3CO4qbIW3310dxu7/uD90zvjIXjuf1RGHB+pQO3beXGwtFN4hZCyCElKievxErC
|
|
8LYvckYzsYnYlXqdUtt1rvSglzKMX5fnXRIVP4WP0ZzKoP1ZzcUlcNOXYgSvyxkb
|
|
biTJgrglw1y91+4IF2/qmSQvxwWoQCTVdHtbZcXsl2Pe0UbSxAnCIiOZzhMDb7QI
|
|
fz4Axv6RvMi6sjLCQp2J3gTQNieejK15PtaEONvNV61oBYULE1kRWiuk0F/D7hoC
|
|
adTFvxm1AgMBAAGjUDBOMB0GA1UdDgQWBBQIhynOBAl/ETOAujCyd4S0c26ClDAf
|
|
BgNVHSMEGDAWgBQIhynOBAl/ETOAujCyd4S0c26ClDAMBgNVHRMEBTADAQH/MA0G
|
|
CSqGSIb3DQEBCwUAA4IBgQAixKhvCkCgxJKug4acQvgKqMdy0l3eePJaOODmCzzf
|
|
r91sRKkKgfMOSeUH2kAPhXPb1oaHarkpdWqp3fwWgdzrJTrH3D/Ioy27ST4IcukD
|
|
5i/uHheanPb9PHPP5Cxd8agck/cd966ylr+6vdBdP07TVF6BR3KhNTnb+qdUlvQf
|
|
5V7IgPgfc+UJFK7lSsLzclzYUm7Y0uneSBRW/DLOaaNooen1eOithKjDRRo6fVTb
|
|
486EnrHXYI6y5xWEjqUPxFPkuXHnRpP3rwC9PTaaTo/r4RgGVElKeZ89253W51e3
|
|
dd0mrLeGGfD5tl41NqRap7AziJ5/yfM+zALOSTwOJUInv3s429g6h2/beXpUwaNq
|
|
VAEXkgQkbGYdR0VOOq/+RR0sI4H2zOENiYGQtjt9SY0P1dj22Ax+Rx77t6B6Znoe
|
|
8rpOKO02a7Yr5ZxXDrrfRBtNXqKePykYtnwm6mrVDfHpQvoIDUQRis3FowoiQ9UT
|
|
+aWKBvkAPPeGTuil2FuSN/U=
|
|
-----END CERTIFICATE-----
|
|
subject=/CN=localhost
|
|
issuer=/CN=localhost
|
|
---
|
|
No client certificate CA names sent
|
|
---
|
|
SSL handshake has read 1346 bytes and written 553 bytes
|
|
---
|
|
New, TLSv1/SSLv3, Cipher is NULL-SHA256
|
|
Server public key is 3072 bit
|
|
Secure Renegotiation IS supported
|
|
Compression: NONE
|
|
Expansion: NONE
|
|
No ALPN negotiated
|
|
SSL-Session:
|
|
Protocol : TLSv1.2
|
|
Cipher : NULL-SHA256
|
|
Session-ID: 5D62B36950F3DEB571707CD1B815E9E275041B9DB70D7F3E25C4A6535B13B616
|
|
Session-ID-ctx:
|
|
Master-Key: 4D08108C59417E0A41656636C51BA5B83F4EFFF9F4C860987B47B31250E5D1816D00940DBCCC196C2D99C8462C889DF1
|
|
Key-Arg : None
|
|
Krb5 Principal: None
|
|
PSK identity: None
|
|
PSK identity hint: None
|
|
TLS session ticket lifetime hint: 7200 (seconds)
|
|
TLS session ticket:
|
|
0000 - dd f4 52 01 54 8d f8 a6-f9 2d 7d 19 20 5b 14 44 ..R.T....-}. [.D
|
|
0010 - d3 2d 7b f2 ca e8 01 4e-94 7b fe 12 59 3a 00 2e .-{....N.{..Y:..
|
|
0020 - 7e cf 74 43 7a f7 9e cc-70 80 70 7c e3 a5 c6 9d ~.tCz...p.p|....
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0030 - 85 2c 36 19 4c 5c ba 3b-c3 e5 69 dc f3 a4 47 38 .,6.L\.;..i...G8
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0040 - 11 c9 7d 1a b0 6e d8 49-a0 a8 e4 de 70 a8 d0 6b ..}..n.I....p..k
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0050 - e4 7a b7 65 25 df 1b 5f-64 0f 89 69 02 72 fe eb .z.e%.._d..i.r..
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0060 - d3 7a af 51 78 0e de 17-06 a5 f0 47 9d e0 04 d4 .z.Qx......G....
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0070 - b1 1e be 7e ed bd 27 8f-5d e8 ac f6 45 aa e0 12 ...~..'.]...E...
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0080 - 93 41 5f a8 4b b9 bd 43-8f a1 23 51 af 92 77 8f .A_.K..C..#Q..w.
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0090 - 38 23 3e 2e c2 f0 a3 74-fa 83 94 ce 19 8a 5b 5b 8#>....t......[[
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Start Time: 1484574330
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Timeout : 7200 (sec)
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Verify return code: 18 (self signed certificate)
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|
---
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read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
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0000 - 17 03 03 00 21 ....!
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read from 0x1d750b0 [0x1e6ac08] (33 bytes => 33 (0x21))
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0000 - 0a 74 5b 50 02 13 75 a4-27 0a 40 b1 53 74 52 14 .t[P..u.'.@.StR.
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0010 - e7 1e 6a 6c c1 60 2e 93-7e a5 d9 43 1d 8e f6 08 ..jl.`..~..C....
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0020 - 69 i
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read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
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0000 - 17 03 03 00 21 ....!
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read from 0x1d750b0 [0x1e6ac08] (33 bytes => 33 (0x21))
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0000 - 0a 1b ce 44 98 4f 81 c5-28 7a cc 79 62 db d2 86 ...D.O..(z.yb...
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0010 - 6a 55 a4 c7 73 49 ef 3e-bd 03 99 76 df 65 2a a1 jU..sI.>...v.e*.
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0020 - b6 .
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read from 0x1d750b0 [0x1e6ac03] (5 bytes => 5 (0x5))
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0000 - 17 03 03 00 21 ....!
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read from 0x1d750b0 [0x1e6ac08] (33 bytes => 33 (0x21))
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0000 - 0a 67 66 34 ba 68 36 3c-ad 0a c1 f5 c0 5a 50 fe .gf4.h6<.....ZP.
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0010 - 68 cd 04 65 e9 de 6e 98-f9 e2 41 1e 0b 9b 84 06 h..e..n...A.....
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0020 - 64 d
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*/
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