1/* 2 * Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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/* 11 * SEED low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14#include "internal/deprecated.h" 15 16#include <openssl/opensslconf.h> 17#include <openssl/evp.h> 18#include <openssl/err.h> 19#include <string.h> 20#include <assert.h> 21#include <openssl/seed.h> 22#include "crypto/evp.h" 23#include "evp_local.h" 24 25static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 26 const unsigned char *iv, int enc); 27 28typedef struct { 29 SEED_KEY_SCHEDULE ks; 30} EVP_SEED_KEY; 31 32IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed, 33 16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1, 34 seed_init_key, 0, 0, 0, 0) 35 36static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 37 const unsigned char *iv, int enc) 38{ 39 SEED_set_key(key, &EVP_C_DATA(EVP_SEED_KEY,ctx)->ks); 40 return 1; 41} 42