diff options
Diffstat (limited to 'contrib/libarchive/libarchive/archive_digest.c')
-rw-r--r-- | contrib/libarchive/libarchive/archive_digest.c | 94 |
1 files changed, 80 insertions, 14 deletions
diff --git a/contrib/libarchive/libarchive/archive_digest.c b/contrib/libarchive/libarchive/archive_digest.c index 410df01563df..08a9aeb02320 100644 --- a/contrib/libarchive/libarchive/archive_digest.c +++ b/contrib/libarchive/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. */ @@ -48,17 +53,37 @@ /* * 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, ALG_ID algId) +win_crypto_init(Digest_CTX *ctx, DWORD prov, ALG_ID algId) { ctx->valid = 0; if (!CryptAcquireContext(&ctx->cryptProv, NULL, NULL, - PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) { + prov, CRYPT_VERIFYCONTEXT)) { if (GetLastError() != (DWORD)NTE_BAD_KEYSET) return (ARCHIVE_FAILED); if (!CryptAcquireContext(&ctx->cryptProv, NULL, NULL, - PROV_RSA_FULL, CRYPT_NEWKEYSET)) + prov, CRYPT_NEWKEYSET)) return (ARCHIVE_FAILED); } @@ -70,6 +95,7 @@ win_crypto_init(Digest_CTX *ctx, 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, + 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); } @@ -243,7 +283,8 @@ __archive_md5init(archive_md5_ctx *ctx) { if ((*ctx = EVP_MD_CTX_new()) == NULL) return (ARCHIVE_FAILED); - EVP_DigestInit(*ctx, EVP_md5()); + if (!EVP_DigestInit(*ctx, EVP_md5())) + return (ARCHIVE_FAILED); return (ARCHIVE_OK); } @@ -275,7 +316,11 @@ __archive_md5final(archive_md5_ctx *ctx, void *md) static int __archive_md5init(archive_md5_ctx *ctx) { - return (win_crypto_init(ctx, CALG_MD5)); +#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 @@ -434,7 +479,8 @@ __archive_ripemd160init(archive_rmd160_ctx *ctx) { if ((*ctx = EVP_MD_CTX_new()) == NULL) return (ARCHIVE_FAILED); - EVP_DigestInit(*ctx, EVP_ripemd160()); + if (!EVP_DigestInit(*ctx, EVP_ripemd160())) + return (ARCHIVE_FAILED); return (ARCHIVE_OK); } @@ -624,7 +670,8 @@ __archive_sha1init(archive_sha1_ctx *ctx) { if ((*ctx = EVP_MD_CTX_new()) == NULL) return (ARCHIVE_FAILED); - EVP_DigestInit(*ctx, EVP_sha1()); + if (!EVP_DigestInit(*ctx, EVP_sha1())) + return (ARCHIVE_FAILED); return (ARCHIVE_OK); } @@ -656,7 +703,11 @@ __archive_sha1final(archive_sha1_ctx *ctx, void *md) static int __archive_sha1init(archive_sha1_ctx *ctx) { - return (win_crypto_init(ctx, CALG_SHA1)); +#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 @@ -887,7 +938,8 @@ __archive_sha256init(archive_sha256_ctx *ctx) { if ((*ctx = EVP_MD_CTX_new()) == NULL) return (ARCHIVE_FAILED); - EVP_DigestInit(*ctx, EVP_sha256()); + if (!EVP_DigestInit(*ctx, EVP_sha256())) + return (ARCHIVE_FAILED); return (ARCHIVE_OK); } @@ -915,7 +967,11 @@ __archive_sha256final(archive_sha256_ctx *ctx, void *md) static int __archive_sha256init(archive_sha256_ctx *ctx) { - return (win_crypto_init(ctx, CALG_SHA_256)); +#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 @@ -1122,7 +1178,8 @@ __archive_sha384init(archive_sha384_ctx *ctx) { if ((*ctx = EVP_MD_CTX_new()) == NULL) return (ARCHIVE_FAILED); - EVP_DigestInit(*ctx, EVP_sha384()); + if (!EVP_DigestInit(*ctx, EVP_sha384())) + return (ARCHIVE_FAILED); return (ARCHIVE_OK); } @@ -1150,7 +1207,11 @@ __archive_sha384final(archive_sha384_ctx *ctx, void *md) static int __archive_sha384init(archive_sha384_ctx *ctx) { - return (win_crypto_init(ctx, CALG_SHA_384)); +#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 @@ -1381,7 +1442,8 @@ __archive_sha512init(archive_sha512_ctx *ctx) { if ((*ctx = EVP_MD_CTX_new()) == NULL) return (ARCHIVE_FAILED); - EVP_DigestInit(*ctx, EVP_sha512()); + if (!EVP_DigestInit(*ctx, EVP_sha512())) + return (ARCHIVE_FAILED); return (ARCHIVE_OK); } @@ -1409,7 +1471,11 @@ __archive_sha512final(archive_sha512_ctx *ctx, void *md) static int __archive_sha512init(archive_sha512_ctx *ctx) { - return (win_crypto_init(ctx, CALG_SHA_512)); +#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 |