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move calc_finished_tls_sha256

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2022-02-17 14:25:15 +08:00
parent d952669ad8
commit 615bd6f5b9
1 changed files with 77 additions and 76 deletions
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153
library/ssl_tls.c
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@ -1009,82 +1009,6 @@ static void ssl_update_checksum_sha384( mbedtls_ssl_context *ssl,
#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
#if defined(MBEDTLS_SHA256_C)
static void ssl_calc_finished_tls_sha256(
mbedtls_ssl_context *ssl, unsigned char *buf, int from )
{
int len = 12;
const char *sender;
unsigned char padbuf[32];
#if defined(MBEDTLS_USE_PSA_CRYPTO)
size_t hash_size;
psa_hash_operation_t sha256_psa = PSA_HASH_OPERATION_INIT;
psa_status_t status;
#else
mbedtls_sha256_context sha256;
#endif
mbedtls_ssl_session *session = ssl->session_negotiate;
if( !session )
session = ssl->session;
sender = ( from == MBEDTLS_SSL_IS_CLIENT )
? "client finished"
: "server finished";
#if defined(MBEDTLS_USE_PSA_CRYPTO)
sha256_psa = psa_hash_operation_init();
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> calc PSA finished tls sha256" ) );
status = psa_hash_clone( &ssl->handshake->fin_sha256_psa, &sha256_psa );
if( status != PSA_SUCCESS )
{
MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash clone failed" ) );
return;
}
status = psa_hash_finish( &sha256_psa, padbuf, sizeof( padbuf ), &hash_size );
if( status != PSA_SUCCESS )
{
MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash finish failed" ) );
return;
}
MBEDTLS_SSL_DEBUG_BUF( 3, "PSA calculated padbuf", padbuf, 32 );
#else
mbedtls_sha256_init( &sha256 );
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> calc finished tls sha256" ) );
mbedtls_sha256_clone( &sha256, &ssl->handshake->fin_sha256 );
/*
* TLSv1.2:
* hash = PRF( master, finished_label,
* Hash( handshake ) )[0.11]
*/
#if !defined(MBEDTLS_SHA256_ALT)
MBEDTLS_SSL_DEBUG_BUF( 4, "finished sha2 state", (unsigned char *)
sha256.state, sizeof( sha256.state ) );
#endif
mbedtls_sha256_finish( &sha256, padbuf );
mbedtls_sha256_free( &sha256 );
#endif /* MBEDTLS_USE_PSA_CRYPTO */
ssl->handshake->tls_prf( session->master, 48, sender,
padbuf, 32, buf, len );
MBEDTLS_SSL_DEBUG_BUF( 3, "calc finished result", buf, len );
mbedtls_platform_zeroize( padbuf, sizeof( padbuf ) );
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= calc finished" ) );
}
#endif /* MBEDTLS_SHA256_C */
#if defined(MBEDTLS_SHA384_C)
static void ssl_calc_finished_tls_sha384(
@ -7967,6 +7891,83 @@ exit:
}
#endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
#if defined(MBEDTLS_SHA256_C)
static void ssl_calc_finished_tls_sha256(
mbedtls_ssl_context *ssl, unsigned char *buf, int from )
{
int len = 12;
const char *sender;
unsigned char padbuf[32];
#if defined(MBEDTLS_USE_PSA_CRYPTO)
size_t hash_size;
psa_hash_operation_t sha256_psa = PSA_HASH_OPERATION_INIT;
psa_status_t status;
#else
mbedtls_sha256_context sha256;
#endif
mbedtls_ssl_session *session = ssl->session_negotiate;
if( !session )
session = ssl->session;
sender = ( from == MBEDTLS_SSL_IS_CLIENT )
? "client finished"
: "server finished";
#if defined(MBEDTLS_USE_PSA_CRYPTO)
sha256_psa = psa_hash_operation_init();
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> calc PSA finished tls sha256" ) );
status = psa_hash_clone( &ssl->handshake->fin_sha256_psa, &sha256_psa );
if( status != PSA_SUCCESS )
{
MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash clone failed" ) );
return;
}
status = psa_hash_finish( &sha256_psa, padbuf, sizeof( padbuf ), &hash_size );
if( status != PSA_SUCCESS )
{
MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash finish failed" ) );
return;
}
MBEDTLS_SSL_DEBUG_BUF( 3, "PSA calculated padbuf", padbuf, 32 );
#else
mbedtls_sha256_init( &sha256 );
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> calc finished tls sha256" ) );
mbedtls_sha256_clone( &sha256, &ssl->handshake->fin_sha256 );
/*
* TLSv1.2:
* hash = PRF( master, finished_label,
* Hash( handshake ) )[0.11]
*/
#if !defined(MBEDTLS_SHA256_ALT)
MBEDTLS_SSL_DEBUG_BUF( 4, "finished sha2 state", (unsigned char *)
sha256.state, sizeof( sha256.state ) );
#endif
mbedtls_sha256_finish( &sha256, padbuf );
mbedtls_sha256_free( &sha256 );
#endif /* MBEDTLS_USE_PSA_CRYPTO */
ssl->handshake->tls_prf( session->master, 48, sender,
padbuf, 32, buf, len );
MBEDTLS_SSL_DEBUG_BUF( 3, "calc finished result", buf, len );
mbedtls_platform_zeroize( padbuf, sizeof( padbuf ) );
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= calc finished" ) );
}
#endif /* MBEDTLS_SHA256_C */
#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
#endif /* MBEDTLS_SSL_TLS_C */