diff options
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_hmac.c')
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_hmac.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_hmac.c b/Utilities/cmlibarchive/libarchive/archive_hmac.c new file mode 100644 index 0000000..898853b --- /dev/null +++ b/Utilities/cmlibarchive/libarchive/archive_hmac.c @@ -0,0 +1,234 @@ +/*- +* Copyright (c) 2014 Michihiro NAKAJIMA +* 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 AUTHOR(S) ``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 AUTHOR(S) 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. +*/ + +#include "archive_platform.h" + +#ifdef HAVE_STRING_H +#include <string.h> +#endif +#include "archive.h" +#include "archive_hmac_private.h" + +#ifdef __APPLE__ + +static int +__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len) +{ + CCHmacInit(ctx, kCCHmacAlgSHA1, key, key_len); + return 0; +} + +static void +__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data, + size_t data_len) +{ + CCHmacUpdate(ctx, data, data_len); +} + +static void +__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len) +{ + CCHmacFinal(ctx, out); + *out_len = 20; +} + +static void +__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx) +{ + memset(ctx, 0, sizeof(*ctx)); +} + +#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H) + +static int +__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len) +{ + BCRYPT_ALG_HANDLE hAlg; + BCRYPT_HASH_HANDLE hHash; + DWORD hash_len; + PBYTE hash; + ULONG result; + NTSTATUS status; + + ctx->hAlg = NULL; + status = BCryptOpenAlgorithmProvider(&hAlg, BCRYPT_SHA1_ALGORITHM, + MS_PRIMITIVE_PROVIDER, BCRYPT_ALG_HANDLE_HMAC_FLAG); + if (!BCRYPT_SUCCESS(status)) + return -1; + status = BCryptGetProperty(hAlg, BCRYPT_HASH_LENGTH, (PUCHAR)&hash_len, + sizeof(hash_len), &result, 0); + if (!BCRYPT_SUCCESS(status)) { + BCryptCloseAlgorithmProvider(hAlg, 0); + return -1; + } + hash = (PBYTE)HeapAlloc(GetProcessHeap(), 0, hash_len); + if (hash == NULL) { + BCryptCloseAlgorithmProvider(hAlg, 0); + return -1; + } + status = BCryptCreateHash(hAlg, &hHash, NULL, 0, + (PUCHAR)key, (ULONG)key_len, BCRYPT_HASH_REUSABLE_FLAG); + if (!BCRYPT_SUCCESS(status)) { + BCryptCloseAlgorithmProvider(hAlg, 0); + HeapFree(GetProcessHeap(), 0, hash); + return -1; + } + + ctx->hAlg = hAlg; + ctx->hHash = hHash; + ctx->hash_len = hash_len; + ctx->hash = hash; + + return 0; +} + +static void +__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data, + size_t data_len) +{ + BCryptHashData(ctx->hHash, (PUCHAR)(uintptr_t)data, (ULONG)data_len, 0); +} + +static void +__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len) +{ + BCryptFinishHash(ctx->hHash, ctx->hash, ctx->hash_len, 0); + if (ctx->hash_len == *out_len) + memcpy(out, ctx->hash, *out_len); +} + +static void +__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx) +{ + if (ctx->hAlg != NULL) { + BCryptCloseAlgorithmProvider(ctx->hAlg, 0); + HeapFree(GetProcessHeap(), 0, ctx->hash); + ctx->hAlg = NULL; + } +} + +#elif defined(HAVE_LIBNETTLE) + +static int +__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len) +{ + hmac_sha1_set_key(ctx, key_len, key); + return 0; +} + +static void +__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data, + size_t data_len) +{ + hmac_sha1_update(ctx, data_len, data); +} + +static void +__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len) +{ + hmac_sha1_digest(ctx, (unsigned)*out_len, out); +} + +static void +__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx) +{ + memset(ctx, 0, sizeof(*ctx)); +} + +#elif defined(HAVE_LIBCRYPTO) + +static int +__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len) +{ + HMAC_CTX_init(ctx); + HMAC_Init(ctx, key, key_len, EVP_sha1()); + return 0; +} + +static void +__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data, + size_t data_len) +{ + HMAC_Update(ctx, data, data_len); +} + +static void +__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len) +{ + unsigned int len = (unsigned int)*out_len; + HMAC_Final(ctx, out, &len); + *out_len = len; +} + +static void +__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx) +{ + HMAC_CTX_cleanup(ctx); + memset(ctx, 0, sizeof(*ctx)); +} + +#else + +/* Stub */ +static int +__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len) +{ + (void)ctx;/* UNUSED */ + (void)key;/* UNUSED */ + (void)key_len;/* UNUSED */ + return -1; +} + +static void +__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data, + size_t data_len) +{ + (void)ctx;/* UNUSED */ + (void)data;/* UNUSED */ + (void)data_len;/* UNUSED */ +} + +static void +__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len) +{ + (void)ctx;/* UNUSED */ + (void)out;/* UNUSED */ + (void)out_len;/* UNUSED */ +} + +static void +__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx) +{ + (void)ctx;/* UNUSED */ +} + +#endif + +const struct archive_hmac __archive_hmac = { + &__hmac_sha1_init, + &__hmac_sha1_update, + &__hmac_sha1_final, + &__hmac_sha1_cleanup, +}; 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