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| author | Mattias Andrée <maandree@kth.se> | 2022-01-08 22:57:27 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2022-01-08 22:57:27 +0100 |
| commit | 12abd974fdf8362d41d688c478528c6b8047fa87 (patch) | |
| tree | 096ace7f908e66089f379248e9fe036a85e4a1cb /libblake_internal_blake2s_output_digest.c | |
| parent | Add last_node parameter to libblake_blake2[sb]_digest (diff) | |
| download | libblake-12abd974fdf8362d41d688c478528c6b8047fa87.tar.gz libblake-12abd974fdf8362d41d688c478528c6b8047fa87.tar.bz2 libblake-12abd974fdf8362d41d688c478528c6b8047fa87.tar.xz | |
Add BLAKE2X
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libblake_internal_blake2s_output_digest.c')
| -rw-r--r-- | libblake_internal_blake2s_output_digest.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libblake_internal_blake2s_output_digest.c b/libblake_internal_blake2s_output_digest.c new file mode 100644 index 0000000..d7b891c --- /dev/null +++ b/libblake_internal_blake2s_output_digest.c @@ -0,0 +1,32 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + +static void +encode_uint32_le(unsigned char *out, uint_least32_t value, size_t bytes) +{ + switch (bytes) { + default: + out[3] = (unsigned char)((value >> 24) & 255); + /* fall through */ + case 3: + out[2] = (unsigned char)((value >> 16) & 255); + /* fall through */ + case 2: + out[1] = (unsigned char)((value >> 8) & 255); + /* fall through */ + case 1: + out[0] = (unsigned char)((value >> 0) & 255); + /* fall through */ + case 0: + break; + } +} + +void +libblake_internal_blake2s_output_digest(struct libblake_blake2s_state *state, size_t output_len, unsigned char *output) +{ + size_t i, j; + + for (i = 0, j = 0; i < output_len; i += 4, j += 1) + encode_uint32_le(&output[i], state->h[j], output_len - i); +} |