/* Initialize CONTEXT with the key KEY of KEY_LENGTH bits. */ static void serpent_setkey_internal (serpent_context_t *context, const byte *key, unsigned int key_length) { serpent_key_t key_prepared; serpent_key_prepare (key, key_length, key_prepared); serpent_subkeys_generate (key_prepared, context->keys); #ifdef USE_AVX2 context->use_avx2 = 0; if ((_gcry_get_hw_features () & HWF_INTEL_AVX2)) { context->use_avx2 = 1; } #endif #ifdef USE_NEON context->use_neon = 0; if ((_gcry_get_hw_features () & HWF_ARM_NEON)) { context->use_neon = 1; } #endif wipememory (key_prepared, sizeof(key_prepared)); }
/* Initialize CONTEXT with the key KEY of KEY_LENGTH bits. */ void serpent_setkey_internal (serpent_context_t *context, const byte *key, unsigned int key_length) { serpent_key_t key_prepared; serpent_key_prepare (key, key_length, key_prepared); serpent_subkeys_generate (key_prepared, context->keys); //_gcry_burn_stack (272 * sizeof (u32)); }