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Fix uninitialized variable access in debug output of record enc/dec

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Hanno Becker 2019-04-26 13:34:37 +01:00 committed by Manuel Pégourié-Gonnard
parent a131766743
commit 08885813c3
1 changed files with 4 additions and 3 deletions
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7
library/ssl_tls.c
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@ -1664,6 +1664,8 @@ int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl,
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
ssl_extract_add_data_from_record( add_data, rec );
MBEDTLS_SSL_DEBUG_BUF( 4, "IV used (internal)",
iv, transform->ivlen );
MBEDTLS_SSL_DEBUG_BUF( 4, "IV used (transmitted)",
@ -1678,7 +1680,6 @@ int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl,
* Encrypt and authenticate
*/
ssl_extract_add_data_from_record( add_data, rec );
if( ( ret = mbedtls_cipher_auth_encrypt( &transform->cipher_ctx_enc,
iv, transform->ivlen,
add_data, 13, /* add data */
@ -1817,12 +1818,12 @@ int mbedtls_ssl_encrypt_buf( mbedtls_ssl_context *ssl,
return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
}
ssl_extract_add_data_from_record( add_data, rec );
MBEDTLS_SSL_DEBUG_MSG( 3, ( "using encrypt then mac" ) );
MBEDTLS_SSL_DEBUG_BUF( 4, "MAC'd meta-data", add_data,
sizeof( add_data ) );
ssl_extract_add_data_from_record( add_data, rec );
mbedtls_md_hmac_update( &transform->md_ctx_enc, add_data,
sizeof( add_data ) );
mbedtls_md_hmac_update( &transform->md_ctx_enc,