| // Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef OPENSSL_HEADER_MD4_H |
| #define OPENSSL_HEADER_MD4_H |
| |
| #include <openssl/base.h> |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| |
| |
| // MD4. |
| |
| // MD4_CBLOCK is the block size of MD4. |
| #define MD4_CBLOCK 64 |
| |
| // MD4_DIGEST_LENGTH is the length of an MD4 digest. |
| #define MD4_DIGEST_LENGTH 16 |
| |
| // MD4_Init initialises |md4| and returns one. |
| OPENSSL_EXPORT int MD4_Init(MD4_CTX *md4); |
| |
| // MD4_Update adds |len| bytes from |data| to |md4| and returns one. |
| OPENSSL_EXPORT int MD4_Update(MD4_CTX *md4, const void *data, size_t len); |
| |
| // MD4_Final adds the final padding to |md4| and writes the resulting digest to |
| // |out|, which must have at least |MD4_DIGEST_LENGTH| bytes of space. It |
| // returns one. |
| OPENSSL_EXPORT int MD4_Final(uint8_t out[MD4_DIGEST_LENGTH], MD4_CTX *md4); |
| |
| // MD4 writes the digest of |len| bytes from |data| to |out| and returns |out|. |
| // There must be at least |MD4_DIGEST_LENGTH| bytes of space in |out|. |
| OPENSSL_EXPORT uint8_t *MD4(const uint8_t *data, size_t len, |
| uint8_t out[MD4_DIGEST_LENGTH]); |
| |
| // MD4_Transform is a low-level function that performs a single, MD4 block |
| // transformation using the state from |md4| and 64 bytes from |block|. |
| OPENSSL_EXPORT void MD4_Transform(MD4_CTX *md4, |
| const uint8_t block[MD4_CBLOCK]); |
| |
| struct md4_state_st { |
| uint32_t h[4]; |
| uint32_t Nl, Nh; |
| uint8_t data[MD4_CBLOCK]; |
| unsigned num; |
| }; |
| |
| |
| #if defined(__cplusplus) |
| } // extern C |
| #endif |
| |
| #endif // OPENSSL_HEADER_MD4_H |