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Fix expected zeroes at output 

When buffer sizes are small in streaming mode the partial output
must have the rest of the buffer filled with zeroes.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
This commit is contained in:
Pantelis Antoniou 2023-09-12 11:08:43 +03:00
parent b8ef7c2441
commit 7973cc5a37
1 changed files with 3 additions and 1 deletions
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4
c/blake3.c
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@ -64,7 +64,9 @@ INLINE output_t make_output(const uint32_t input_cv[8],
uint8_t flags) {
output_t ret;
memcpy(ret.input_cv, input_cv, 32);
memcpy(ret.block, block, BLAKE3_BLOCK_LEN);
// copy out what's there and fill the rest with zeroes
memcpy(ret.block, block, block_len);
memset(ret.block + block_len, 0, BLAKE3_BLOCK_LEN - block_len);
ret.block_len = block_len;
ret.counter = counter;
ret.flags = flags;