Mirror of BoringSSL (grpc依赖)
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226 lines
8.8 KiB
226 lines
8.8 KiB
/* |
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. |
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* |
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* Licensed under the OpenSSL license (the "License"). You may not use |
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* this file except in compliance with the License. You can obtain a copy |
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* in the file LICENSE in the source distribution or at |
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* https://www.openssl.org/source/license.html |
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*/ |
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#ifndef OPENSSL_HEADER_SHA_H |
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#define OPENSSL_HEADER_SHA_H |
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#include <openssl/base.h> |
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#include <openssl/bcm_public.h> // IWYU pragma: export |
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#if defined(__cplusplus) |
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extern "C" { |
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#endif |
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// The SHA family of hash functions (SHA-1 and SHA-2). |
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// SHA_CBLOCK is the block size of SHA-1. |
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#define SHA_CBLOCK 64 |
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// SHA_DIGEST_LENGTH is the length of a SHA-1 digest. |
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#define SHA_DIGEST_LENGTH 20 |
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// SHA1_Init initialises |sha| and returns one. |
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OPENSSL_EXPORT int SHA1_Init(SHA_CTX *sha); |
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// SHA1_Update adds |len| bytes from |data| to |sha| and returns one. |
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OPENSSL_EXPORT int SHA1_Update(SHA_CTX *sha, const void *data, size_t len); |
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// SHA1_Final adds the final padding to |sha| and writes the resulting digest to |
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// |out|, which must have at least |SHA_DIGEST_LENGTH| bytes of space. It |
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// returns one. |
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OPENSSL_EXPORT int SHA1_Final(uint8_t out[SHA_DIGEST_LENGTH], SHA_CTX *sha); |
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// SHA1 writes the digest of |len| bytes from |data| to |out| and returns |
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// |out|. There must be at least |SHA_DIGEST_LENGTH| bytes of space in |
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// |out|. |
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OPENSSL_EXPORT uint8_t *SHA1(const uint8_t *data, size_t len, |
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uint8_t out[SHA_DIGEST_LENGTH]); |
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// SHA1_Transform is a low-level function that performs a single, SHA-1 block |
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// transformation using the state from |sha| and |SHA_CBLOCK| bytes from |
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// |block|. |
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OPENSSL_EXPORT void SHA1_Transform(SHA_CTX *sha, |
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const uint8_t block[SHA_CBLOCK]); |
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// CRYPTO_fips_186_2_prf derives |out_len| bytes from |xkey| using the PRF |
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// defined in FIPS 186-2, Appendix 3.1, with change notice 1 applied. The b |
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// parameter is 160 and seed, XKEY, is also 160 bits. The optional XSEED user |
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// input is all zeros. |
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// |
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// The PRF generates a sequence of 320-bit numbers. Each number is encoded as a |
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// 40-byte string in big-endian and then concatenated to form |out|. If |
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// |out_len| is not a multiple of 40, the result is truncated. This matches the |
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// construction used in Section 7 of RFC 4186 and Section 7 of RFC 4187. |
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// |
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// This PRF is based on SHA-1, a weak hash function, and should not be used |
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// in new protocols. It is provided for compatibility with some legacy EAP |
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// methods. |
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OPENSSL_EXPORT void CRYPTO_fips_186_2_prf( |
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uint8_t *out, size_t out_len, const uint8_t xkey[SHA_DIGEST_LENGTH]); |
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// SHA-224. |
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// SHA224_CBLOCK is the block size of SHA-224. |
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#define SHA224_CBLOCK 64 |
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// SHA224_DIGEST_LENGTH is the length of a SHA-224 digest. |
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#define SHA224_DIGEST_LENGTH 28 |
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// SHA224_Init initialises |sha| and returns 1. |
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OPENSSL_EXPORT int SHA224_Init(SHA256_CTX *sha); |
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// SHA224_Update adds |len| bytes from |data| to |sha| and returns 1. |
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OPENSSL_EXPORT int SHA224_Update(SHA256_CTX *sha, const void *data, size_t len); |
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// SHA224_Final adds the final padding to |sha| and writes the resulting digest |
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// to |out|, which must have at least |SHA224_DIGEST_LENGTH| bytes of space. It |
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// returns 1. |
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OPENSSL_EXPORT int SHA224_Final(uint8_t out[SHA224_DIGEST_LENGTH], |
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SHA256_CTX *sha); |
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// SHA224 writes the digest of |len| bytes from |data| to |out| and returns |
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// |out|. There must be at least |SHA224_DIGEST_LENGTH| bytes of space in |
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// |out|. |
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OPENSSL_EXPORT uint8_t *SHA224(const uint8_t *data, size_t len, |
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uint8_t out[SHA224_DIGEST_LENGTH]); |
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// SHA-256. |
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// SHA256_CBLOCK is the block size of SHA-256. |
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#define SHA256_CBLOCK 64 |
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// SHA256_DIGEST_LENGTH is the length of a SHA-256 digest. |
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#define SHA256_DIGEST_LENGTH 32 |
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// SHA256_Init initialises |sha| and returns 1. |
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OPENSSL_EXPORT int SHA256_Init(SHA256_CTX *sha); |
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// SHA256_Update adds |len| bytes from |data| to |sha| and returns 1. |
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OPENSSL_EXPORT int SHA256_Update(SHA256_CTX *sha, const void *data, size_t len); |
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// SHA256_Final adds the final padding to |sha| and writes the resulting digest |
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// to |out|, which must have at least |SHA256_DIGEST_LENGTH| bytes of space. It |
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// returns one on success and zero on programmer error. |
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OPENSSL_EXPORT int SHA256_Final(uint8_t out[SHA256_DIGEST_LENGTH], |
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SHA256_CTX *sha); |
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// SHA256 writes the digest of |len| bytes from |data| to |out| and returns |
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// |out|. There must be at least |SHA256_DIGEST_LENGTH| bytes of space in |
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// |out|. |
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OPENSSL_EXPORT uint8_t *SHA256(const uint8_t *data, size_t len, |
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uint8_t out[SHA256_DIGEST_LENGTH]); |
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// SHA256_Transform is a low-level function that performs a single, SHA-256 |
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// block transformation using the state from |sha| and |SHA256_CBLOCK| bytes |
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// from |block|. |
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OPENSSL_EXPORT void SHA256_Transform(SHA256_CTX *sha, |
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const uint8_t block[SHA256_CBLOCK]); |
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// SHA256_TransformBlocks is a low-level function that takes |num_blocks| * |
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// |SHA256_CBLOCK| bytes of data and performs SHA-256 transforms on it to update |
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// |state|. You should not use this function unless you are implementing a |
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// derivative of SHA-256. |
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OPENSSL_EXPORT void SHA256_TransformBlocks(uint32_t state[8], |
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const uint8_t *data, |
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size_t num_blocks); |
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// SHA-384. |
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// SHA384_CBLOCK is the block size of SHA-384. |
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#define SHA384_CBLOCK 128 |
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// SHA384_DIGEST_LENGTH is the length of a SHA-384 digest. |
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#define SHA384_DIGEST_LENGTH 48 |
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// SHA384_Init initialises |sha| and returns 1. |
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OPENSSL_EXPORT int SHA384_Init(SHA512_CTX *sha); |
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// SHA384_Update adds |len| bytes from |data| to |sha| and returns 1. |
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OPENSSL_EXPORT int SHA384_Update(SHA512_CTX *sha, const void *data, size_t len); |
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// SHA384_Final adds the final padding to |sha| and writes the resulting digest |
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// to |out|, which must have at least |SHA384_DIGEST_LENGTH| bytes of space. It |
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// returns one on success and zero on programmer error. |
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OPENSSL_EXPORT int SHA384_Final(uint8_t out[SHA384_DIGEST_LENGTH], |
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SHA512_CTX *sha); |
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// SHA384 writes the digest of |len| bytes from |data| to |out| and returns |
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// |out|. There must be at least |SHA384_DIGEST_LENGTH| bytes of space in |
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// |out|. |
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OPENSSL_EXPORT uint8_t *SHA384(const uint8_t *data, size_t len, |
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uint8_t out[SHA384_DIGEST_LENGTH]); |
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// SHA-512. |
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// SHA512_CBLOCK is the block size of SHA-512. |
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#define SHA512_CBLOCK 128 |
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// SHA512_DIGEST_LENGTH is the length of a SHA-512 digest. |
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#define SHA512_DIGEST_LENGTH 64 |
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// SHA512_Init initialises |sha| and returns 1. |
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OPENSSL_EXPORT int SHA512_Init(SHA512_CTX *sha); |
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// SHA512_Update adds |len| bytes from |data| to |sha| and returns 1. |
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OPENSSL_EXPORT int SHA512_Update(SHA512_CTX *sha, const void *data, size_t len); |
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// SHA512_Final adds the final padding to |sha| and writes the resulting digest |
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// to |out|, which must have at least |SHA512_DIGEST_LENGTH| bytes of space. It |
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// returns one on success and zero on programmer error. |
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OPENSSL_EXPORT int SHA512_Final(uint8_t out[SHA512_DIGEST_LENGTH], |
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SHA512_CTX *sha); |
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// SHA512 writes the digest of |len| bytes from |data| to |out| and returns |
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// |out|. There must be at least |SHA512_DIGEST_LENGTH| bytes of space in |
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// |out|. |
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OPENSSL_EXPORT uint8_t *SHA512(const uint8_t *data, size_t len, |
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uint8_t out[SHA512_DIGEST_LENGTH]); |
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// SHA512_Transform is a low-level function that performs a single, SHA-512 |
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// block transformation using the state from |sha| and |SHA512_CBLOCK| bytes |
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// from |block|. |
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OPENSSL_EXPORT void SHA512_Transform(SHA512_CTX *sha, |
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const uint8_t block[SHA512_CBLOCK]); |
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// SHA-512-256 |
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// |
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// See https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf section 5.3.6 |
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#define SHA512_256_DIGEST_LENGTH 32 |
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// SHA512_256_Init initialises |sha| and returns 1. |
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OPENSSL_EXPORT int SHA512_256_Init(SHA512_CTX *sha); |
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// SHA512_256_Update adds |len| bytes from |data| to |sha| and returns 1. |
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OPENSSL_EXPORT int SHA512_256_Update(SHA512_CTX *sha, const void *data, |
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size_t len); |
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// SHA512_256_Final adds the final padding to |sha| and writes the resulting |
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// digest to |out|, which must have at least |SHA512_256_DIGEST_LENGTH| bytes of |
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// space. It returns one on success and zero on programmer error. |
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OPENSSL_EXPORT int SHA512_256_Final(uint8_t out[SHA512_256_DIGEST_LENGTH], |
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SHA512_CTX *sha); |
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// SHA512_256 writes the digest of |len| bytes from |data| to |out| and returns |
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// |out|. There must be at least |SHA512_256_DIGEST_LENGTH| bytes of space in |
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// |out|. |
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OPENSSL_EXPORT uint8_t *SHA512_256(const uint8_t *data, size_t len, |
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uint8_t out[SHA512_256_DIGEST_LENGTH]); |
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#if defined(__cplusplus) |
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} // extern C |
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#endif |
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#endif // OPENSSL_HEADER_SHA_H
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