diff options
Diffstat (limited to 'libhashsum_init_blake256_hasher.c')
| -rw-r--r-- | libhashsum_init_blake256_hasher.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/libhashsum_init_blake256_hasher.c b/libhashsum_init_blake256_hasher.c index 39a8eb9..3d00290 100644 --- a/libhashsum_init_blake256_hasher.c +++ b/libhashsum_init_blake256_hasher.c @@ -27,13 +27,15 @@ finalise_const(struct libhashsum_hasher *this, const void *data, size_t bytes, u m = &m[r]; bytes -= r; + if (!this->hash_output) + this->hash_output = this->state.blake256.buf; + memcpy(this->state.blake256.buf, m, bytes + (size_t)(extra_bits > 0U)); if (extra_bits) this->state.blake256.buf[bytes] = libhashsum_reverse_byte__(this->state.blake256.buf[bytes]); libblake_blake256_digest(&this->state.blake256.s, this->state.blake256.buf, bytes, - extra_bits, NULL, this->state.blake256.buf); + extra_bits, NULL, this->hash_output); memset(&this->state.blake256.s, 0, sizeof(this->state.blake256.s)); - this->hash_output = this->state.blake256.buf; return 0; } @@ -55,15 +57,17 @@ finalise(struct libhashsum_hasher *this, void *data, size_t bytes, unsigned extr bytes -= r; size -= r; + if (!this->hash_output) + this->hash_output = this->state.blake256.buf; + if (size < libblake_blake256_digest_get_required_input_size(bytes, extra_bits, NULL)) { memcpy(this->state.blake256.buf, m, bytes + (size_t)(extra_bits > 0U)); m = this->state.blake256.buf; } if (extra_bits) m[bytes] = libhashsum_reverse_byte__(m[bytes]); - libblake_blake256_digest(&this->state.blake256.s, m, bytes, extra_bits, NULL, this->state.blake256.buf); + libblake_blake256_digest(&this->state.blake256.s, m, bytes, extra_bits, NULL, this->hash_output); memset(&this->state.blake256.s, 0, sizeof(this->state.blake256.s)); - this->hash_output = this->state.blake256.buf; return 0; } @@ -104,6 +108,7 @@ libhashsum_init_blake256_hasher(struct libhashsum_hasher *this, const void *salt this->process = &process; this->finalise_const = &finalise_const; this->finalise = &finalise; + this->stretch = NULL; this->destroy = NULL; libblake_blake256_init2(&this->state.blake256.s, salt); return 0; |