hmac.h 2.1 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162
  1. /*
  2. * Copyright 1995-2021 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. #ifndef OPENSSL_HMAC_H
  10. # define OPENSSL_HMAC_H
  11. # pragma once
  12. # include <openssl/macros.h>
  13. # ifndef OPENSSL_NO_DEPRECATED_3_0
  14. # define HEADER_HMAC_H
  15. # endif
  16. # include <openssl/opensslconf.h>
  17. # include <openssl/evp.h>
  18. # ifndef OPENSSL_NO_DEPRECATED_3_0
  19. # define HMAC_MAX_MD_CBLOCK 200 /* Deprecated */
  20. # endif
  21. # ifdef __cplusplus
  22. extern "C" {
  23. # endif
  24. # ifndef OPENSSL_NO_DEPRECATED_3_0
  25. OSSL_DEPRECATEDIN_3_0 size_t HMAC_size(const HMAC_CTX *e);
  26. OSSL_DEPRECATEDIN_3_0 HMAC_CTX *HMAC_CTX_new(void);
  27. OSSL_DEPRECATEDIN_3_0 int HMAC_CTX_reset(HMAC_CTX *ctx);
  28. OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_free(HMAC_CTX *ctx);
  29. # endif
  30. # ifndef OPENSSL_NO_DEPRECATED_1_1_0
  31. OSSL_DEPRECATEDIN_1_1_0 __owur int HMAC_Init(HMAC_CTX *ctx,
  32. const void *key, int len,
  33. const EVP_MD *md);
  34. # endif
  35. # ifndef OPENSSL_NO_DEPRECATED_3_0
  36. OSSL_DEPRECATEDIN_3_0 int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
  37. const EVP_MD *md, ENGINE *impl);
  38. OSSL_DEPRECATEDIN_3_0 int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data,
  39. size_t len);
  40. OSSL_DEPRECATEDIN_3_0 int HMAC_Final(HMAC_CTX *ctx, unsigned char *md,
  41. unsigned int *len);
  42. OSSL_DEPRECATEDIN_3_0 __owur int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx);
  43. OSSL_DEPRECATEDIN_3_0 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);
  44. OSSL_DEPRECATEDIN_3_0 const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);
  45. # endif
  46. unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len,
  47. const unsigned char *data, size_t data_len,
  48. unsigned char *md, unsigned int *md_len);
  49. # ifdef __cplusplus
  50. }
  51. # endif
  52. #endif