e_seed.c 1.1 KB

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  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. #include <openssl/opensslconf.h>
  10. #ifdef OPENSSL_NO_SEED
  11. NON_EMPTY_TRANSLATION_UNIT
  12. #else
  13. # include <openssl/evp.h>
  14. # include <openssl/err.h>
  15. # include <string.h>
  16. # include <assert.h>
  17. # include <openssl/seed.h>
  18. # include "internal/evp_int.h"
  19. static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
  20. const unsigned char *iv, int enc);
  21. typedef struct {
  22. SEED_KEY_SCHEDULE ks;
  23. } EVP_SEED_KEY;
  24. IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed,
  25. 16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1,
  26. seed_init_key, 0, 0, 0, 0)
  27. static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
  28. const unsigned char *iv, int enc)
  29. {
  30. SEED_set_key(key, &EVP_C_DATA(EVP_SEED_KEY,ctx)->ks);
  31. return 1;
  32. }
  33. #endif