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author | Mattias Andrée <maandree@kth.se> | 2019-02-11 16:22:00 +0100 |
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committer | Mattias Andrée <maandree@kth.se> | 2019-02-11 16:22:00 +0100 |
commit | 5ff4c5af715d098852d124de116d354ee10f4ea4 (patch) | |
tree | 5789ad5798f2dbf21d9406a2942e48b222f773ae /libkeccak_state_marshal.c | |
parent | Remove old file (diff) | |
download | libkeccak-5ff4c5af715d098852d124de116d354ee10f4ea4.tar.gz libkeccak-5ff4c5af715d098852d124de116d354ee10f4ea4.tar.bz2 libkeccak-5ff4c5af715d098852d124de116d354ee10f4ea4.tar.xz |
Split most .c files into one per function and flatten file hierarchy
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r-- | libkeccak_state_marshal.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libkeccak_state_marshal.c b/libkeccak_state_marshal.c new file mode 100644 index 0000000..2714a52 --- /dev/null +++ b/libkeccak_state_marshal.c @@ -0,0 +1,33 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +/** + * Marshal a `libkeccak_state_t` into a buffer + * + * @param state The state to marshal + * @param data The output buffer + * @return The number of bytes stored to `data` + */ +size_t +libkeccak_state_marshal(const libkeccak_state_t *restrict state, void *restrict data_) +{ +#define set(type, var) *((type *)data) = state->var, data += sizeof(type) / sizeof(char) + char *restrict data = data_; + set(long int, r); + set(long int, c); + set(long int, n); + set(long int, b); + set(long int, w); + set(int64_t, wmod); + set(long int, l); + set(long int, nr); + memcpy(data, state->S, sizeof(state->S)); + data += sizeof(state->S) / sizeof(char); + set(size_t, mptr); + set(size_t, mlen); + memcpy(data, state->M, state->mptr * sizeof(char)); + data += state->mptr; + return sizeof(libkeccak_state_t) - sizeof(char *) + state->mptr * sizeof(char); +#undef set +} |