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md4: Move the WinCrypt implementation out of the NTLM code

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This commit is contained in:
Steve Holme 2019-04-14 03:17:23 +01:00
parent 11c50f7655
commit c5eb2fd618
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GPG Key ID: 4059CB85CA7E8F19
3 changed files with 58 additions and 18 deletions
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8
lib/curl_md4.h
View File

@ -25,7 +25,8 @@
#include "curl_setup.h"
#if defined(USE_GNUTLS_NETTLE) || defined(USE_GNUTLS) || \
defined(USE_OPENSSL) || defined(USE_SECTRANSP) || defined(USE_NSS) || \
defined(USE_OPENSSL) || defined(USE_SECTRANSP) || \
defined(USE_WIN32_CRYPTO) || defined(USE_NSS) || \
defined(USE_OS400CRYPTO) || \
(defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
@ -34,8 +35,9 @@
void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len);
#endif /* defined(USE_GNUTLS_NETTLE) || defined(USE_GNUTLS) ||
defined(USE_OPENSSL) || defined(USE_SECTRANSP) || defined(USE_NSS) ||
defined(USE_OS400CRYPTO) ||
defined(USE_OPENSSL) || defined(USE_SECTRANSP) || \
defined(USE_WIN32_CRYPTO) || defined(USE_NSS) || \
defined(USE_OS400CRYPTO) || \
(defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */
#endif /* HEADER_CURL_MD4_H */

14
lib/curl_ntlm_core.c
View File

@ -110,6 +110,7 @@
# include "curl_md4.h"
#elif defined(USE_WIN32_CRYPTO)
# include <wincrypt.h>
# include "curl_md4.h"
#else
# error "Can't compile NTLM support without a crypto library."
#endif
@ -584,18 +585,7 @@ CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data,
#elif defined(USE_OS400CRYPTO)
Curl_md4it(ntbuffer, pw, 2 * len);
#elif defined(USE_WIN32_CRYPTO)
HCRYPTPROV hprov;
if(CryptAcquireContext(&hprov, NULL, NULL, PROV_RSA_FULL,
CRYPT_VERIFYCONTEXT)) {
HCRYPTHASH hhash;
if(CryptCreateHash(hprov, CALG_MD4, 0, 0, &hhash)) {
DWORD length = 16;
CryptHashData(hhash, pw, (unsigned int)len * 2, 0);
CryptGetHashParam(hhash, HP_HASHVAL, ntbuffer, &length, 0);
CryptDestroyHash(hhash);
}
CryptReleaseContext(hprov, 0);
}
Curl_md4it(ntbuffer, pw, 2 * len);
#endif
memset(ntbuffer + 16, 0, 21 - 16);

54
lib/md4.c
View File

@ -134,6 +134,52 @@ static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
}
}
#elif defined(USE_WIN32_CRYPTO)
#include <wincrypt.h>
#include "curl_md4.h"
#include "warnless.h"
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
typedef struct {
HCRYPTPROV hCryptProv;
HCRYPTHASH hHash;
} MD4_CTX;
static void MD4_Init(MD4_CTX *ctx)
{
ctx->hCryptProv = 0;
ctx->hHash = 0;
if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_FULL,
CRYPT_VERIFYCONTEXT)) {
CryptCreateHash(ctx->hCryptProv, CALG_MD4, 0, 0, &ctx->hHash);
}
}
static void MD4_Update(MD4_CTX *ctx, const void *data, unsigned long size)
{
CryptHashData(ctx->hHash, data, (unsigned int) size, 0);
}
static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
{
unsigned long length = 0;
CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
if(length == MD4_DIGEST_LENGTH)
CryptGetHashParam(ctx->hHash, HP_HASHVAL, result, &length, 0);
if(ctx->hHash)
CryptDestroyHash(ctx->hHash);
if(ctx->hCryptProv)
CryptReleaseContext(ctx->hCryptProv, 0);
}
#elif defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
(defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
(defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
@ -431,7 +477,8 @@ static void MD4_Final(unsigned char *result, MD4_CTX *ctx)
#endif /* CRYPTO LIBS */
#if defined(USE_GNUTLS_NETTLE) || defined(USE_GNUTLS) || \
defined(USE_OPENSSL) || defined(USE_SECTRANSP) || defined(USE_NSS) || \
defined(USE_OPENSSL) || defined(USE_SECTRANSP) || \
defined(USE_WIN32_CRYPTO) || defined(USE_NSS) || \
defined(USE_OS400CRYPTO) || \
(defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
(defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
@ -445,6 +492,7 @@ void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len)
}
#endif /* defined(USE_GNUTLS_NETTLE) || defined(USE_GNUTLS) ||
defined(USE_OPENSSL) || defined(USE_SECTRANSP) || defined(USE_NSS) ||
defined(USE_OS400CRYPTO) ||
defined(USE_OPENSSL) || defined(USE_SECTRANSP) || \
defined(USE_WIN32_CRYPTO) || defined(USE_NSS) || \
defined(USE_OS400CRYPTO) || \
(defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */