diff options
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_digest.c')
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_digest.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_digest.c b/Utilities/cmlibarchive/libarchive/archive_digest.c index 3361b19..3776831 100644 --- a/Utilities/cmlibarchive/libarchive/archive_digest.c +++ b/Utilities/cmlibarchive/libarchive/archive_digest.c @@ -36,6 +36,11 @@ #error Cannot use both OpenSSL and libmd. #endif +/* Common in other bcrypt implementations, but missing from VS2008. */ +#ifndef BCRYPT_SUCCESS +#define BCRYPT_SUCCESS(r) ((NTSTATUS)(r) == STATUS_SUCCESS) +#endif + /* * Message digest functions for Windows platform. */ @@ -48,6 +53,26 @@ /* * Initialize a Message digest. */ +#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA +static int +win_crypto_init(Digest_CTX *ctx, const WCHAR *algo) +{ + NTSTATUS status; + ctx->valid = 0; + + status = BCryptOpenAlgorithmProvider(&ctx->hAlg, algo, NULL, 0); + if (!BCRYPT_SUCCESS(status)) + return (ARCHIVE_FAILED); + status = BCryptCreateHash(ctx->hAlg, &ctx->hHash, NULL, 0, NULL, 0, 0); + if (!BCRYPT_SUCCESS(status)) { + BCryptCloseAlgorithmProvider(ctx->hAlg, 0); + return (ARCHIVE_FAILED); + } + + ctx->valid = 1; + return (ARCHIVE_OK); +} +#else static int win_crypto_init(Digest_CTX *ctx, DWORD prov, ALG_ID algId) { @@ -70,6 +95,7 @@ win_crypto_init(Digest_CTX *ctx, DWORD prov, ALG_ID algId) ctx->valid = 1; return (ARCHIVE_OK); } +#endif /* * Update a Message digest. @@ -81,23 +107,37 @@ win_crypto_Update(Digest_CTX *ctx, const unsigned char *buf, size_t len) if (!ctx->valid) return (ARCHIVE_FAILED); +#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA + BCryptHashData(ctx->hHash, + (PUCHAR)(uintptr_t)buf, + (ULONG)len, 0); +#else CryptHashData(ctx->hash, (unsigned char *)(uintptr_t)buf, (DWORD)len, 0); +#endif return (ARCHIVE_OK); } static int win_crypto_Final(unsigned char *buf, size_t bufsize, Digest_CTX *ctx) { +#if !(defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA) DWORD siglen = (DWORD)bufsize; +#endif if (!ctx->valid) return (ARCHIVE_FAILED); +#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA + BCryptFinishHash(ctx->hHash, buf, (ULONG)bufsize, 0); + BCryptDestroyHash(ctx->hHash); + BCryptCloseAlgorithmProvider(ctx->hAlg, 0); +#else CryptGetHashParam(ctx->hash, HP_HASHVAL, buf, &siglen, 0); CryptDestroyHash(ctx->hash); CryptReleaseContext(ctx->cryptProv, 0); +#endif ctx->valid = 0; return (ARCHIVE_OK); } @@ -276,7 +316,11 @@ __archive_md5final(archive_md5_ctx *ctx, void *md) static int __archive_md5init(archive_md5_ctx *ctx) { +#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA + return (win_crypto_init(ctx, BCRYPT_MD5_ALGORITHM)); +#else return (win_crypto_init(ctx, PROV_RSA_FULL, CALG_MD5)); +#endif } static int @@ -659,7 +703,11 @@ __archive_sha1final(archive_sha1_ctx *ctx, void *md) static int __archive_sha1init(archive_sha1_ctx *ctx) { +#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA + return (win_crypto_init(ctx, BCRYPT_SHA1_ALGORITHM)); +#else return (win_crypto_init(ctx, PROV_RSA_FULL, CALG_SHA1)); +#endif } static int @@ -919,7 +967,11 @@ __archive_sha256final(archive_sha256_ctx *ctx, void *md) static int __archive_sha256init(archive_sha256_ctx *ctx) { +#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA + return (win_crypto_init(ctx, BCRYPT_SHA256_ALGORITHM)); +#else return (win_crypto_init(ctx, PROV_RSA_AES, CALG_SHA_256)); +#endif } static int @@ -1155,7 +1207,11 @@ __archive_sha384final(archive_sha384_ctx *ctx, void *md) static int __archive_sha384init(archive_sha384_ctx *ctx) { +#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA + return (win_crypto_init(ctx, BCRYPT_SHA384_ALGORITHM)); +#else return (win_crypto_init(ctx, PROV_RSA_AES, CALG_SHA_384)); +#endif } static int @@ -1415,7 +1471,11 @@ __archive_sha512final(archive_sha512_ctx *ctx, void *md) static int __archive_sha512init(archive_sha512_ctx *ctx) { +#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA + return (win_crypto_init(ctx, BCRYPT_SHA512_ALGORITHM)); +#else return (win_crypto_init(ctx, PROV_RSA_AES, CALG_SHA_512)); +#endif } static int |