| /* |
| * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| /* |
| * SHA-1 low level APIs are deprecated for public use, but still ok for |
| * internal use. |
| */ |
| #include "internal/deprecated.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <openssl/crypto.h> |
| #include <openssl/sha.h> |
| #include <openssl/evp.h> |
| #include "crypto/sha.h" |
| |
| unsigned char *ossl_sha1(const unsigned char *d, size_t n, unsigned char *md) |
| { |
| SHA_CTX c; |
| static unsigned char m[SHA_DIGEST_LENGTH]; |
| |
| if (md == NULL) |
| md = m; |
| if (!SHA1_Init(&c)) |
| return NULL; |
| SHA1_Update(&c, d, n); |
| SHA1_Final(md, &c); |
| OPENSSL_cleanse(&c, sizeof(c)); |
| return md; |
| } |
| |
| unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md) |
| { |
| static unsigned char m[SHA_DIGEST_LENGTH]; |
| |
| if (md == NULL) |
| md = m; |
| return EVP_Q_digest(NULL, "SHA1", NULL, d, n, md, NULL) ? md : NULL; |
| } |
| |
| unsigned char *SHA224(const unsigned char *d, size_t n, unsigned char *md) |
| { |
| static unsigned char m[SHA224_DIGEST_LENGTH]; |
| |
| if (md == NULL) |
| md = m; |
| return EVP_Q_digest(NULL, "SHA224", NULL, d, n, md, NULL) ? md : NULL; |
| } |
| |
| unsigned char *SHA256(const unsigned char *d, size_t n, unsigned char *md) |
| { |
| static unsigned char m[SHA256_DIGEST_LENGTH]; |
| |
| if (md == NULL) |
| md = m; |
| return EVP_Q_digest(NULL, "SHA256", NULL, d, n, md, NULL) ? md : NULL; |
| } |
| |
| unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md) |
| { |
| static unsigned char m[SHA384_DIGEST_LENGTH]; |
| |
| if (md == NULL) |
| md = m; |
| return EVP_Q_digest(NULL, "SHA384", NULL, d, n, md, NULL) ? md : NULL; |
| } |
| |
| unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md) |
| { |
| static unsigned char m[SHA512_DIGEST_LENGTH]; |
| |
| if (md == NULL) |
| md = m; |
| return EVP_Q_digest(NULL, "SHA512", NULL, d, n, md, NULL) ? md : NULL; |
| } |