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| author | Mattias Andrée <maandree@kth.se> | 2022-01-05 23:06:06 +0100 |
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| committer | Mattias Andrée <maandree@kth.se> | 2022-01-05 23:37:47 +0100 |
| commit | 16e64105ff539acda5bdf6e8dedb20496038e629 (patch) | |
| tree | 04f77ebb2379f704f8b902e04c05bc3ff9d8ef17 /libblake_blake512_digest_get_required_input_size.c | |
| download | libblake-16e64105ff539acda5bdf6e8dedb20496038e629.tar.gz libblake-16e64105ff539acda5bdf6e8dedb20496038e629.tar.bz2 libblake-16e64105ff539acda5bdf6e8dedb20496038e629.tar.xz | |
First commit
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libblake_blake512_digest_get_required_input_size.c')
| -rw-r--r-- | libblake_blake512_digest_get_required_input_size.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libblake_blake512_digest_get_required_input_size.c b/libblake_blake512_digest_get_required_input_size.c new file mode 100644 index 0000000..46c2cb1 --- /dev/null +++ b/libblake_blake512_digest_get_required_input_size.c @@ -0,0 +1,15 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + +size_t +libblake_blake512_digest_get_required_input_size(size_t len, size_t bits, const char *suffix) +{ + bits += suffix ? strlen(suffix) : 0; + len += bits >> 3; + bits &= 7; + bits += (len & 127) << 3; + len &= ~(size_t)127; + len += (size_t)128 << (bits >= 1024 - (1 + 2 * 64)); + return len; +} + |