mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-26 11:55:41 +01:00
ssl_tls: use PSA to compute running handshake hash for TLS 1.2
This commit is contained in:
Andrzej Kurek
parent
2192c27720
commit
eb342241a5
@ -27,6 +27,10 @@
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#include "ssl.h"
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#include "cipher.h"
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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#include "psa/crypto.h"
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#endif
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#if defined(MBEDTLS_MD5_C)
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#include "md5.h"
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#endif
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@ -370,11 +374,19 @@ struct mbedtls_ssl_handshake_params
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#endif
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#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
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#if defined(MBEDTLS_SHA256_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_operation_t fin_sha256_psa;
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#else
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mbedtls_sha256_context fin_sha256;
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#endif
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#endif
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#if defined(MBEDTLS_SHA512_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_operation_t fin_sha512_psa;
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#else
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mbedtls_sha512_context fin_sha512;
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#endif
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#endif
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#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
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void (*update_checksum)(mbedtls_ssl_context *, const unsigned char *, size_t);
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@ -1347,7 +1347,7 @@ void ssl_calc_verify_tls( mbedtls_ssl_context *ssl, unsigned char hash[36] )
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mbedtls_md5_clone( &md5, &ssl->handshake->fin_md5 );
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mbedtls_sha1_clone( &sha1, &ssl->handshake->fin_sha1 );
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mbedtls_md5_finish_ret( &md5, hash );
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mbedtls_md5_finish_ret( &md5, hash );
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mbedtls_sha1_finish_ret( &sha1, hash + 16 );
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MBEDTLS_SSL_DEBUG_BUF( 3, "calculated verify result", hash, 36 );
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@ -1364,6 +1364,28 @@ void ssl_calc_verify_tls( mbedtls_ssl_context *ssl, unsigned char hash[36] )
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#if defined(MBEDTLS_SHA256_C)
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void ssl_calc_verify_tls_sha256( mbedtls_ssl_context *ssl, unsigned char hash[32] )
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{
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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size_t hash_size;
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psa_status_t status;
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psa_hash_operation_t sha256_psa = psa_hash_operation_init();
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> PSA calc verify sha256" ) );
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status = psa_hash_clone( &ssl->handshake->fin_sha256_psa, &sha256_psa );
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if( status != PSA_SUCCESS )
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{
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash clone failed" ) );
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return;
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}
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status = psa_hash_finish( &sha256_psa, hash, 32, &hash_size );
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if( status != PSA_SUCCESS )
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{
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash finish failed" ) );
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return;
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}
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MBEDTLS_SSL_DEBUG_BUF( 3, "PSA calculated verify result", hash, 32 );
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= PSA calc verify" ) );
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#else
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mbedtls_sha256_context sha256;
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mbedtls_sha256_init( &sha256 );
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@ -1377,7 +1399,7 @@ void ssl_calc_verify_tls_sha256( mbedtls_ssl_context *ssl, unsigned char hash[32
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= calc verify" ) );
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mbedtls_sha256_free( &sha256 );
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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return;
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}
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#endif /* MBEDTLS_SHA256_C */
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@ -1385,6 +1407,28 @@ void ssl_calc_verify_tls_sha256( mbedtls_ssl_context *ssl, unsigned char hash[32
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#if defined(MBEDTLS_SHA512_C)
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void ssl_calc_verify_tls_sha384( mbedtls_ssl_context *ssl, unsigned char hash[48] )
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{
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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size_t hash_size;
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psa_status_t status;
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psa_hash_operation_t sha512_psa = psa_hash_operation_init();
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> PSA calc verify sha384" ) );
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status = psa_hash_clone( &ssl->handshake->fin_sha512_psa, &sha512_psa );
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if( status != PSA_SUCCESS )
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{
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash clone failed" ) );
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return;
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}
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status = psa_hash_finish( &sha512_psa, hash, 48, &hash_size );
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if( status != PSA_SUCCESS )
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{
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash finish failed" ) );
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return;
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}
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MBEDTLS_SSL_DEBUG_BUF( 3, "PSA calculated verify result", hash, 48 );
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= PSA calc verify" ) );
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#else
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mbedtls_sha512_context sha512;
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mbedtls_sha512_init( &sha512 );
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@ -1398,7 +1442,7 @@ void ssl_calc_verify_tls_sha384( mbedtls_ssl_context *ssl, unsigned char hash[48
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= calc verify" ) );
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mbedtls_sha512_free( &sha512 );
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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return;
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}
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#endif /* MBEDTLS_SHA512_C */
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@ -6169,11 +6213,19 @@ void mbedtls_ssl_reset_checksum( mbedtls_ssl_context *ssl )
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#endif
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#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
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#if defined(MBEDTLS_SHA256_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_setup( &ssl->handshake->fin_sha256_psa, PSA_ALG_SHA_256 );
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#else
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mbedtls_sha256_starts_ret( &ssl->handshake->fin_sha256, 0 );
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#endif
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#endif
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#if defined(MBEDTLS_SHA512_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_setup( &ssl->handshake->fin_sha512_psa, PSA_ALG_SHA_384 );
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#else
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mbedtls_sha512_starts_ret( &ssl->handshake->fin_sha512, 1 );
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#endif
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#endif
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#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
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}
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@ -6187,11 +6239,19 @@ static void ssl_update_checksum_start( mbedtls_ssl_context *ssl,
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#endif
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#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
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#if defined(MBEDTLS_SHA256_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_update( &ssl->handshake->fin_sha256_psa, buf, len );
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#else
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mbedtls_sha256_update_ret( &ssl->handshake->fin_sha256, buf, len );
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#endif
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#endif
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#if defined(MBEDTLS_SHA512_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_update( &ssl->handshake->fin_sha512_psa, buf, len );
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#else
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mbedtls_sha512_update_ret( &ssl->handshake->fin_sha512, buf, len );
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#endif
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#endif
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#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
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}
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@ -6210,7 +6270,11 @@ static void ssl_update_checksum_md5sha1( mbedtls_ssl_context *ssl,
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static void ssl_update_checksum_sha256( mbedtls_ssl_context *ssl,
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const unsigned char *buf, size_t len )
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{
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_update( &ssl->handshake->fin_sha256_psa, buf, len );
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#else
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mbedtls_sha256_update_ret( &ssl->handshake->fin_sha256, buf, len );
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#endif
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}
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#endif
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@ -6218,7 +6282,11 @@ static void ssl_update_checksum_sha256( mbedtls_ssl_context *ssl,
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static void ssl_update_checksum_sha384( mbedtls_ssl_context *ssl,
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const unsigned char *buf, size_t len )
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{
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_update( &ssl->handshake->fin_sha512_psa, buf, len );
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#else
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mbedtls_sha512_update_ret( &ssl->handshake->fin_sha512, buf, len );
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#endif
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}
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#endif
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#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
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@ -6374,13 +6442,44 @@ static void ssl_calc_finished_tls_sha256(
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{
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int len = 12;
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const char *sender;
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mbedtls_sha256_context sha256;
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unsigned char padbuf[32];
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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size_t hash_size;
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psa_hash_operation_t sha256_psa;
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psa_status_t status;
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#else
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mbedtls_sha256_context sha256;
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#endif
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mbedtls_ssl_session *session = ssl->session_negotiate;
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if( !session )
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session = ssl->session;
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sender = ( from == MBEDTLS_SSL_IS_CLIENT )
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? "client finished"
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: "server finished";
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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sha256_psa = psa_hash_operation_init();
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> calc PSA finished tls sha256" ) );
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status = psa_hash_clone( &ssl->handshake->fin_sha256_psa, &sha256_psa );
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if( status != PSA_SUCCESS )
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{
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash clone failed" ) );
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return;
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}
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status = psa_hash_finish( &sha256_psa, padbuf, sizeof( padbuf ), &hash_size );
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if( status != PSA_SUCCESS )
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{
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash finish failed" ) );
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return;
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}
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MBEDTLS_SSL_DEBUG_BUF( 3, "PSA calculated padbuf", padbuf, 32 );
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#else
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mbedtls_sha256_init( &sha256 );
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> calc finished tls sha256" ) );
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@ -6398,19 +6497,15 @@ static void ssl_calc_finished_tls_sha256(
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sha256.state, sizeof( sha256.state ) );
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#endif
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sender = ( from == MBEDTLS_SSL_IS_CLIENT )
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? "client finished"
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: "server finished";
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mbedtls_sha256_finish_ret( &sha256, padbuf );
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mbedtls_sha256_free( &sha256 );
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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ssl->handshake->tls_prf( session->master, 48, sender,
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padbuf, 32, buf, len );
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MBEDTLS_SSL_DEBUG_BUF( 3, "calc finished result", buf, len );
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mbedtls_sha256_free( &sha256 );
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mbedtls_platform_zeroize( padbuf, sizeof( padbuf ) );
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= calc finished" ) );
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@ -6423,13 +6518,43 @@ static void ssl_calc_finished_tls_sha384(
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{
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int len = 12;
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const char *sender;
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mbedtls_sha512_context sha512;
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unsigned char padbuf[48];
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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size_t hash_size;
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psa_hash_operation_t sha512_psa;
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psa_status_t status;
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#else
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mbedtls_sha512_context sha512;
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#endif
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mbedtls_ssl_session *session = ssl->session_negotiate;
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if( !session )
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session = ssl->session;
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sender = ( from == MBEDTLS_SSL_IS_CLIENT )
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? "client finished"
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: "server finished";
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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sha512_psa = psa_hash_operation_init();
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> calc PSA finished tls sha384" ) );
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status = psa_hash_clone( &ssl->handshake->fin_sha512_psa, &sha512_psa );
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if( status != PSA_SUCCESS )
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{
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash clone failed" ) );
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return;
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}
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status = psa_hash_finish( &sha512_psa, padbuf, sizeof( padbuf ), &hash_size );
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if( status != PSA_SUCCESS )
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{
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "PSA hash finish failed" ) );
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return;
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}
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MBEDTLS_SSL_DEBUG_BUF( 3, "PSA calculated padbuf", padbuf, 48 );
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#else
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mbedtls_sha512_init( &sha512 );
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> calc finished tls sha384" ) );
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@ -6447,19 +6572,15 @@ static void ssl_calc_finished_tls_sha384(
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sha512.state, sizeof( sha512.state ) );
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#endif
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sender = ( from == MBEDTLS_SSL_IS_CLIENT )
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? "client finished"
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: "server finished";
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mbedtls_sha512_finish_ret( &sha512, padbuf );
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mbedtls_sha512_free( &sha512 );
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#endif
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ssl->handshake->tls_prf( session->master, 48, sender,
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padbuf, 48, buf, len );
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MBEDTLS_SSL_DEBUG_BUF( 3, "calc finished result", buf, len );
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mbedtls_sha512_free( &sha512 );
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mbedtls_platform_zeroize( padbuf, sizeof( padbuf ) );
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= calc finished" ) );
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@ -6770,13 +6891,23 @@ static void ssl_handshake_params_init( mbedtls_ssl_handshake_params *handshake )
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#endif
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#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
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#if defined(MBEDTLS_SHA256_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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handshake->fin_sha256_psa = psa_hash_operation_init();
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psa_hash_setup( &handshake->fin_sha256_psa, PSA_ALG_SHA_256 );
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#else
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mbedtls_sha256_init( &handshake->fin_sha256 );
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mbedtls_sha256_starts_ret( &handshake->fin_sha256, 0 );
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#endif
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#endif
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#if defined(MBEDTLS_SHA512_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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handshake->fin_sha512_psa = psa_hash_operation_init();
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psa_hash_setup( &handshake->fin_sha512_psa, PSA_ALG_SHA_384 );
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#else
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mbedtls_sha512_init( &handshake->fin_sha512 );
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mbedtls_sha512_starts_ret( &handshake->fin_sha512, 1 );
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#endif
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#endif
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#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
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handshake->update_checksum = ssl_update_checksum_start;
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@ -9079,11 +9210,19 @@ void mbedtls_ssl_handshake_free( mbedtls_ssl_context *ssl )
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#endif
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#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
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#if defined(MBEDTLS_SHA256_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_abort( &handshake->fin_sha256_psa );
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#else
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mbedtls_sha256_free( &handshake->fin_sha256 );
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#endif
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#endif
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#if defined(MBEDTLS_SHA512_C)
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_hash_abort( &handshake->fin_sha512_psa );
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#else
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mbedtls_sha512_free( &handshake->fin_sha512 );
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#endif
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#endif
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#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
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#if defined(MBEDTLS_DHM_C)
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