1 /* 2 * Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <openssl/opensslconf.h> 11 #ifdef OPENSSL_NO_SEED 12 NON_EMPTY_TRANSLATION_UNIT 13 #else 14 # include <openssl/evp.h> 15 # include <openssl/err.h> 16 # include <string.h> 17 # include <assert.h> 18 # include <openssl/seed.h> 19 # include "crypto/evp.h" 20 21 static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 22 const unsigned char *iv, int enc); 23 24 typedef struct { 25 SEED_KEY_SCHEDULE ks; 26 } EVP_SEED_KEY; 27 28 IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed, 29 16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1, 30 seed_init_key, 0, 0, 0, 0) 31 32 static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 33 const unsigned char *iv, int enc) 34 { 35 SEED_set_key(key, &EVP_C_DATA(EVP_SEED_KEY,ctx)->ks); 36 return 1; 37 } 38 39 #endif 40