kdf.h 4.5 KB

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  1. /* $OpenBSD: kdf.h,v 1.8 2022/07/12 14:42:49 kn Exp $ */
  2. /*
  3. * Written by Dr Stephen N Henson ([email protected]) for the OpenSSL
  4. * project.
  5. */
  6. /* ====================================================================
  7. * Copyright (c) 2016-2018 The OpenSSL Project. All rights reserved.
  8. *
  9. * Redistribution and use in source and binary forms, with or without
  10. * modification, are permitted provided that the following conditions
  11. * are met:
  12. *
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions and the following disclaimer.
  15. *
  16. * 2. Redistributions in binary form must reproduce the above copyright
  17. * notice, this list of conditions and the following disclaimer in
  18. * the documentation and/or other materials provided with the
  19. * distribution.
  20. *
  21. * 3. All advertising materials mentioning features or use of this
  22. * software must display the following acknowledgment:
  23. * "This product includes software developed by the OpenSSL Project
  24. * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25. *
  26. * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27. * endorse or promote products derived from this software without
  28. * prior written permission. For written permission, please contact
  29. * [email protected].
  30. *
  31. * 5. Products derived from this software may not be called "OpenSSL"
  32. * nor may "OpenSSL" appear in their names without prior written
  33. * permission of the OpenSSL Project.
  34. *
  35. * 6. Redistributions of any form whatsoever must retain the following
  36. * acknowledgment:
  37. * "This product includes software developed by the OpenSSL Project
  38. * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39. *
  40. * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41. * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44. * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49. * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51. * OF THE POSSIBILITY OF SUCH DAMAGE.
  52. * ====================================================================
  53. */
  54. #ifndef HEADER_KDF_H
  55. # define HEADER_KDF_H
  56. #ifdef __cplusplus
  57. extern "C" {
  58. #endif
  59. # define EVP_PKEY_CTRL_HKDF_MD (EVP_PKEY_ALG_CTRL + 3)
  60. # define EVP_PKEY_CTRL_HKDF_SALT (EVP_PKEY_ALG_CTRL + 4)
  61. # define EVP_PKEY_CTRL_HKDF_KEY (EVP_PKEY_ALG_CTRL + 5)
  62. # define EVP_PKEY_CTRL_HKDF_INFO (EVP_PKEY_ALG_CTRL + 6)
  63. # define EVP_PKEY_CTRL_HKDF_MODE (EVP_PKEY_ALG_CTRL + 7)
  64. # define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND 0
  65. # define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY 1
  66. # define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY 2
  67. # define EVP_PKEY_CTX_set_hkdf_md(pctx, md) \
  68. EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  69. EVP_PKEY_CTRL_HKDF_MD, 0, (void *)(md))
  70. # define EVP_PKEY_CTX_set1_hkdf_salt(pctx, salt, saltlen) \
  71. EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  72. EVP_PKEY_CTRL_HKDF_SALT, saltlen, (void *)(salt))
  73. # define EVP_PKEY_CTX_set1_hkdf_key(pctx, key, keylen) \
  74. EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  75. EVP_PKEY_CTRL_HKDF_KEY, keylen, (void *)(key))
  76. # define EVP_PKEY_CTX_add1_hkdf_info(pctx, info, infolen) \
  77. EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  78. EVP_PKEY_CTRL_HKDF_INFO, infolen, (void *)(info))
  79. # define EVP_PKEY_CTX_hkdf_mode(pctx, mode) \
  80. EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
  81. EVP_PKEY_CTRL_HKDF_MODE, mode, NULL)
  82. int ERR_load_KDF_strings(void);
  83. /*
  84. * KDF function codes.
  85. */
  86. # define KDF_F_PKEY_HKDF_CTRL_STR 103
  87. # define KDF_F_PKEY_HKDF_DERIVE 102
  88. # define KDF_F_PKEY_HKDF_INIT 108
  89. /*
  90. * KDF reason codes.
  91. */
  92. # define KDF_R_MISSING_KEY 104
  93. # define KDF_R_MISSING_MESSAGE_DIGEST 105
  94. # define KDF_R_UNKNOWN_PARAMETER_TYPE 103
  95. # ifdef __cplusplus
  96. }
  97. # endif
  98. #endif