diff options
Diffstat (limited to 'sse/blake2sp.c')
| -rw-r--r-- | sse/blake2sp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sse/blake2sp.c b/sse/blake2sp.c index 7e7be2b..ed4a40f 100644 --- a/sse/blake2sp.c +++ b/sse/blake2sp.c @@ -67,6 +67,7 @@ int blake2sp_init( blake2sp_state *S, size_t outlen ) memset( S->buf, 0, sizeof( S->buf ) ); S->buflen = 0; + S->outlen = outlen; if( blake2sp_init_root( S->R, outlen, 0 ) < 0 ) return -1; @@ -89,6 +90,7 @@ int blake2sp_init_key( blake2sp_state *S, size_t outlen, const void *key, size_t memset( S->buf, 0, sizeof( S->buf ) ); S->buflen = 0; + S->outlen = outlen; if( blake2sp_init_root( S->R, outlen, keylen ) < 0 ) return -1; @@ -169,6 +171,10 @@ int blake2sp_final( blake2sp_state *S, void *out, size_t outlen ) uint8_t hash[PARALLELISM_DEGREE][BLAKE2S_OUTBYTES]; size_t i; + if(out == NULL || outlen < S->outlen) { + return -1; + } + for( i = 0; i < PARALLELISM_DEGREE; ++i ) { if( S->buflen > i * BLAKE2S_BLOCKBYTES ) @@ -186,7 +192,7 @@ int blake2sp_final( blake2sp_state *S, void *out, size_t outlen ) for( i = 0; i < PARALLELISM_DEGREE; ++i ) blake2s_update( S->R, hash[i], BLAKE2S_OUTBYTES ); - return blake2s_final( S->R, out, outlen ); + return blake2s_final( S->R, out, S->outlen ); } |