hmac.h 1.5 KB

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  1. /*
  2. * Copyright 1995-2016 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. #ifndef HEADER_HMAC_H
  10. # define HEADER_HMAC_H
  11. # include <openssl/opensslconf.h>
  12. # include <openssl/evp.h>
  13. # define HMAC_MAX_MD_CBLOCK 128/* largest known is SHA512 */
  14. #ifdef __cplusplus
  15. extern "C" {
  16. #endif
  17. size_t HMAC_size(const HMAC_CTX *e);
  18. HMAC_CTX *HMAC_CTX_new(void);
  19. int HMAC_CTX_reset(HMAC_CTX *ctx);
  20. void HMAC_CTX_free(HMAC_CTX *ctx);
  21. DEPRECATEDIN_1_1_0(__owur int HMAC_Init(HMAC_CTX *ctx, const void *key, int len,
  22. const EVP_MD *md))
  23. /*__owur*/ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
  24. const EVP_MD *md, ENGINE *impl);
  25. /*__owur*/ int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
  26. size_t len);
  27. /*__owur*/ int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
  28. unsigned int *len);
  29. unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
  30. const unsigned char *d, size_t n, unsigned char *md,
  31. unsigned int *md_len);
  32. __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
  33. void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
  34. const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);
  35. #ifdef __cplusplus
  36. }
  37. #endif
  38. #endif