diff options
Diffstat (limited to 'thirdparty/mbedtls/library/ccm.c')
| -rw-r--r-- | thirdparty/mbedtls/library/ccm.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/thirdparty/mbedtls/library/ccm.c b/thirdparty/mbedtls/library/ccm.c index 01e58b0436..c6211ee773 100644 --- a/thirdparty/mbedtls/library/ccm.c +++ b/thirdparty/mbedtls/library/ccm.c @@ -134,11 +134,17 @@ void mbedtls_ccm_free( mbedtls_ccm_context *ctx ) * This avoids allocating one more 16 bytes buffer while allowing src == dst. */ #define CTR_CRYPT( dst, src, len ) \ - if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, ctr, 16, b, &olen ) ) != 0 ) \ - return( ret ); \ - \ - for( i = 0; i < len; i++ ) \ - dst[i] = src[i] ^ b[i]; + do \ + { \ + if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, ctr, \ + 16, b, &olen ) ) != 0 ) \ + { \ + return( ret ); \ + } \ + \ + for( i = 0; i < (len); i++ ) \ + (dst)[i] = (src)[i] ^ b[i]; \ + } while( 0 ) /* * Authenticated encryption or decryption |