diff options
Diffstat (limited to 'thirdparty/mbedtls/library/des.c')
| -rw-r--r-- | thirdparty/mbedtls/library/des.c | 75 |
1 files changed, 51 insertions, 24 deletions
diff --git a/thirdparty/mbedtls/library/des.c b/thirdparty/mbedtls/library/des.c index 623165d391..0867064403 100644 --- a/thirdparty/mbedtls/library/des.c +++ b/thirdparty/mbedtls/library/des.c @@ -59,6 +59,7 @@ #if defined(MBEDTLS_DES_C) #include "mbedtls/des.h" +#include "mbedtls/error.h" #include "mbedtls/platform_util.h" #include <string.h> @@ -696,6 +697,7 @@ int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx, unsigned char *output ) { int i; + int ret; unsigned char temp[8]; if( length % 8 ) @@ -708,7 +710,9 @@ int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx, for( i = 0; i < 8; i++ ) output[i] = (unsigned char)( input[i] ^ iv[i] ); - mbedtls_des_crypt_ecb( ctx, output, output ); + ret = mbedtls_des_crypt_ecb( ctx, output, output ); + if( ret != 0 ) + goto exit; memcpy( iv, output, 8 ); input += 8; @@ -721,7 +725,9 @@ int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx, while( length > 0 ) { memcpy( temp, input, 8 ); - mbedtls_des_crypt_ecb( ctx, input, output ); + ret = mbedtls_des_crypt_ecb( ctx, input, output ); + if( ret != 0 ) + goto exit; for( i = 0; i < 8; i++ ) output[i] = (unsigned char)( output[i] ^ iv[i] ); @@ -733,8 +739,10 @@ int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx, length -= 8; } } + ret = 0; - return( 0 ); +exit: + return( ret ); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ @@ -795,6 +803,7 @@ int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx, unsigned char *output ) { int i; + int ret; unsigned char temp[8]; if( length % 8 ) @@ -807,7 +816,9 @@ int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx, for( i = 0; i < 8; i++ ) output[i] = (unsigned char)( input[i] ^ iv[i] ); - mbedtls_des3_crypt_ecb( ctx, output, output ); + ret = mbedtls_des3_crypt_ecb( ctx, output, output ); + if( ret != 0 ) + goto exit; memcpy( iv, output, 8 ); input += 8; @@ -820,7 +831,9 @@ int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx, while( length > 0 ) { memcpy( temp, input, 8 ); - mbedtls_des3_crypt_ecb( ctx, input, output ); + ret = mbedtls_des3_crypt_ecb( ctx, input, output ); + if( ret != 0 ) + goto exit; for( i = 0; i < 8; i++ ) output[i] = (unsigned char)( output[i] ^ iv[i] ); @@ -832,8 +845,10 @@ int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx, length -= 8; } } + ret = 0; - return( 0 ); +exit: + return( ret ); } #endif /* MBEDTLS_CIPHER_MODE_CBC */ @@ -926,39 +941,43 @@ int mbedtls_des_self_test( int verbose ) switch( i ) { case 0: - mbedtls_des_setkey_dec( &ctx, des3_test_keys ); + ret = mbedtls_des_setkey_dec( &ctx, des3_test_keys ); break; case 1: - mbedtls_des_setkey_enc( &ctx, des3_test_keys ); + ret = mbedtls_des_setkey_enc( &ctx, des3_test_keys ); break; case 2: - mbedtls_des3_set2key_dec( &ctx3, des3_test_keys ); + ret = mbedtls_des3_set2key_dec( &ctx3, des3_test_keys ); break; case 3: - mbedtls_des3_set2key_enc( &ctx3, des3_test_keys ); + ret = mbedtls_des3_set2key_enc( &ctx3, des3_test_keys ); break; case 4: - mbedtls_des3_set3key_dec( &ctx3, des3_test_keys ); + ret = mbedtls_des3_set3key_dec( &ctx3, des3_test_keys ); break; case 5: - mbedtls_des3_set3key_enc( &ctx3, des3_test_keys ); + ret = mbedtls_des3_set3key_enc( &ctx3, des3_test_keys ); break; default: return( 1 ); } + if( ret != 0 ) + goto exit; for( j = 0; j < 10000; j++ ) { if( u == 0 ) - mbedtls_des_crypt_ecb( &ctx, buf, buf ); + ret = mbedtls_des_crypt_ecb( &ctx, buf, buf ); else - mbedtls_des3_crypt_ecb( &ctx3, buf, buf ); + ret = mbedtls_des3_crypt_ecb( &ctx3, buf, buf ); + if( ret != 0 ) + goto exit; } if( ( v == MBEDTLS_DES_DECRYPT && @@ -1001,41 +1020,45 @@ int mbedtls_des_self_test( int verbose ) switch( i ) { case 0: - mbedtls_des_setkey_dec( &ctx, des3_test_keys ); + ret = mbedtls_des_setkey_dec( &ctx, des3_test_keys ); break; case 1: - mbedtls_des_setkey_enc( &ctx, des3_test_keys ); + ret = mbedtls_des_setkey_enc( &ctx, des3_test_keys ); break; case 2: - mbedtls_des3_set2key_dec( &ctx3, des3_test_keys ); + ret = mbedtls_des3_set2key_dec( &ctx3, des3_test_keys ); break; case 3: - mbedtls_des3_set2key_enc( &ctx3, des3_test_keys ); + ret = mbedtls_des3_set2key_enc( &ctx3, des3_test_keys ); break; case 4: - mbedtls_des3_set3key_dec( &ctx3, des3_test_keys ); + ret = mbedtls_des3_set3key_dec( &ctx3, des3_test_keys ); break; case 5: - mbedtls_des3_set3key_enc( &ctx3, des3_test_keys ); + ret = mbedtls_des3_set3key_enc( &ctx3, des3_test_keys ); break; default: return( 1 ); } + if( ret != 0 ) + goto exit; if( v == MBEDTLS_DES_DECRYPT ) { for( j = 0; j < 10000; j++ ) { if( u == 0 ) - mbedtls_des_crypt_cbc( &ctx, v, 8, iv, buf, buf ); + ret = mbedtls_des_crypt_cbc( &ctx, v, 8, iv, buf, buf ); else - mbedtls_des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf ); + ret = mbedtls_des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf ); + if( ret != 0 ) + goto exit; } } else @@ -1045,9 +1068,11 @@ int mbedtls_des_self_test( int verbose ) unsigned char tmp[8]; if( u == 0 ) - mbedtls_des_crypt_cbc( &ctx, v, 8, iv, buf, buf ); + ret = mbedtls_des_crypt_cbc( &ctx, v, 8, iv, buf, buf ); else - mbedtls_des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf ); + ret = mbedtls_des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf ); + if( ret != 0 ) + goto exit; memcpy( tmp, prv, 8 ); memcpy( prv, buf, 8 ); @@ -1081,6 +1106,8 @@ exit: mbedtls_des_free( &ctx ); mbedtls_des3_free( &ctx3 ); + if( ret != 0 ) + ret = 1; return( ret ); } |