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/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 2025 Olaf Wintermann. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef HASHING_H #define HASHING_H #define WS_SHA1_DIGEST_LENGTH 20 #define WS_SHA256_DIGEST_LENGTH 32 #define WS_SHA512_DIGEST_LENGTH 32 #ifdef __APPLE__ #define WS_USE_CRYPTO_COMMON /* macos */ #define WS_CRYPTO_COMMON_CRYPTO #define WS_AES_CTX CCCryptorRef #define WS_SHA1_CTX CC_SHA1_CTX #define WS_SHA256_CTX CC_SHA256_CTX #define WS_SHA512_CTX CC_SHA512_CTX #include <CommonCrypto/CommonCrypto.h> #include <CommonCrypto/CommonDigest.h> #elif defined(_WIN32) #define WS_USE_CRYPTO_CNG #include <windows.h> #include <bcrypt.h> typedef struct WinBCryptCTX { BCRYPT_ALG_HANDLE hAlg; BCRYPT_KEY_HANDLE hKey; void *pbKeyObject; unsigned char pbIV[16]; unsigned char buf[16]; ULONG buflen; } WinBCryptCTX; typedef struct WinBCryptSHACTX { BCRYPT_ALG_HANDLE hAlg; BCRYPT_HASH_HANDLE hHash; void *pbHashObject; } WinBCryptSHACTX; #define WS_AES_CTX WinBCryptCTX #define WS_SHA1_CTX WinBCryptSHACTX #define WS_SHA256_CTX WinBCryptSHACTX #define WS_SHA512_CTX WinBCryptSHACTX #else /* unix/linux */ #include <openssl/evp.h> #include <openssl/rand.h> #define WS_USE_OPENSSL #if OPENSSL_VERSION_NUMBER < 0x30000000L #define WS_SHA1_CTX SHA_CTX #define WS_SHA256_CTX SHA256_CTX #define WS_SHA512_CTX SHA512_CTX #else #define WS_SHA1_CTX EVP_MD_CTX* #define WS_SHA256_CTX EVP_MD_CTX* #define WS_SHA512_CTX EVP_MD_CTX* #endif #if defined(__sun) && defined(__SunOS_5_10) #include <sha2.h> #define SHA_Init SHAInit #define SHA_Update SHAUpdate #define SHA_Final SHAFinal #define SHA256_Init SHA256Init #define SHA256_Update SHA256Update #define SHA256_Final SHA256Final #define SHA512_Init SHA512Init #define SHA512_Update SHA512Update #define SHA512_Final SHA512Final #else #include <openssl/sha.h> #endif #endif int ws_sha1_init(WS_SHA1_CTX *ctx); WS_SHA1_CTX* ws_sha1_create(void); void ws_sha1_update(WS_SHA1_CTX *ctx, const char *data, size_t len); void ws_sha1_final(WS_SHA1_CTX *ctx, unsigned char *buf); int ws_sha256_init(WS_SHA256_CTX *ctx); WS_SHA256_CTX* ws_sha256_create(void); void ws_sha256_update(WS_SHA256_CTX *ctx, const char *data, size_t len); void ws_sha256_final(WS_SHA256_CTX *ctx, unsigned char *buf); int ws_sha512_init(WS_SHA512_CTX *ctx); WS_SHA512_CTX* ws_sha512_create(void); void ws_sha512_update(WS_SHA512_CTX *ctx, const char *data, size_t len); void ws_sha512_final(WS_SHA512_CTX *ctx, unsigned char *buf); #ifdef __cplusplus } #endif #endif /* HASHING_H */