diff options
Diffstat (limited to 'libhashsum_init_keccak_hasher2.c')
| -rw-r--r-- | libhashsum_init_keccak_hasher2.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libhashsum_init_keccak_hasher2.c b/libhashsum_init_keccak_hasher2.c new file mode 100644 index 0000000..71631f6 --- /dev/null +++ b/libhashsum_init_keccak_hasher2.c @@ -0,0 +1,47 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" +#ifdef SUPPORT_KECCAK + + +int +libhashsum_init_keccak_hasher2(struct libhashsum_hasher *this, const struct libhashsum_keccak_params *params) +{ + struct libkeccak_generalised_spec gspec; + struct libkeccak_spec spec; + + libkeccak_generalised_spec_initialise(&gspec); + if ((params->ratebits | params->capbits | + params->hashbits | params->statebits | + params->wordbits) > (size_t)LONG_MAX) + goto einval; + if (params->ratebits) + gspec.bitrate = (long int)params->ratebits; + if (params->capbits) + gspec.capacity = (long int)params->capbits; + if (params->hashbits) + gspec.output = (long int)params->hashbits; + if (params->statebits) + gspec.state_size = (long int)params->statebits; + if (params->wordbits) + gspec.word_size = (long int)params->wordbits; + if (libkeccak_degeneralise_spec(&gspec, &spec) || libkeccak_spec_check(&spec)) { + einval: + errno = EINVAL; + return -1; + } + + return libhashsum_init_keccak_hasher(this, (size_t)spec.bitrate, (size_t)spec.capacity, + (size_t)gspec.output, params->squeezes); +} + + +#else +int +libhashsum_init_keccak_hasher2(struct libhashsum_hasher *this, const struct libhashsum_keccak_params *params) +{ + (void) this; + (void) params; + errno = ENOSYS; + return -1; +} +#endif |