mirror of https://github.com/FreeRDP/FreeRDP
Added replacement MD4 implementation
This commit is contained in:
parent
1e1b3b6c3c
commit
309a6bea77
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@ -66,6 +66,7 @@ option(WITH_SMARTCARD_INSPECT "Enable SmartCard API Inspector" OFF)
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option(WITH_DEBUG_MUTEX "Print mutex debug messages" ${DEFAULT_DEBUG_OPTION})
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option(WITH_ICU "Use ICU for unicode conversion" OFF)
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option(WITH_GSSAPI "Compile support for kerberos authentication. (EXPERIMENTAL)" OFF)
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option(WITH_INTERNAL_MD4 "Use compiled in md4 hash functions instead of OpenSSL/MBedTLS" OFF)
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if ( (WITH_GSSAPI) AND (NOT GSS_FOUND))
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message(WARNING "-DWITH_GSSAPI=ON is set, but not GSSAPI implementation was found, disabling")
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elseif(WITH_GSSAPI)
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@ -29,6 +29,7 @@
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#cmakedefine WITH_NATIVE_SSPI
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#cmakedefine WITH_ICU
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#cmakedefine WITH_SPNEGO
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#cmakedefine WITH_INTERNAL_MD4
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#cmakedefine WITH_DEBUG_NTLM
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#cmakedefine WITH_DEBUG_THREADS
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@ -15,13 +15,21 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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winpr_module_add(
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set(SRCS
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hash.c
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rand.c
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cipher.c
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cert.c
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crypto.c
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crypto.h)
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crypto.h
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)
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if (WITH_INTERNAL_MD4)
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list(APPEND SRCS md4.c md4.h)
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endif()
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winpr_module_add(
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${SRCS}
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)
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if(OPENSSL_FOUND)
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winpr_include_directory_add(${OPENSSL_INCLUDE_DIR})
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@ -19,7 +19,7 @@
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#include <winpr/config.h>
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#include <winpr/crt.h>
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#include <winpr/assert.h>
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#include <winpr/crypto.h>
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#ifdef WITH_OPENSSL
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@ -37,6 +37,10 @@
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#include <mbedtls/md.h>
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#endif
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#if defined(WITH_INTERNAL_MD4)
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#include "md4.h"
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#endif
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/**
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* HMAC
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*/
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@ -336,34 +340,56 @@ out:
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* Generic Digest API
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*/
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WINPR_DIGEST_CTX* winpr_Digest_New(void)
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struct winpr_digest_ctx_private_st
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{
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WINPR_DIGEST_CTX* ctx = NULL;
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WINPR_MD_TYPE md;
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#if defined(WITH_INTERNAL_MD4)
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WINPR_MD4_CTX md4;
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#endif
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#if defined(WITH_OPENSSL)
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EVP_MD_CTX* mdctx;
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#endif
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#if defined(WITH_MBEDTLS)
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mbedtls_md_context_t* mdctx;
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#endif
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};
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WINPR_DIGEST_CTX* winpr_Digest_New(void)
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{
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WINPR_DIGEST_CTX* ctx = calloc(1, sizeof(WINPR_DIGEST_CTX));
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if (!ctx)
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return NULL;
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#if defined(WITH_OPENSSL)
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#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
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(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
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mdctx = EVP_MD_CTX_create();
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ctx->mdctx = EVP_MD_CTX_create();
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#else
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mdctx = EVP_MD_CTX_new();
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ctx->mdctx = EVP_MD_CTX_new();
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#endif
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ctx = (WINPR_DIGEST_CTX*)mdctx;
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if (!ctx->mdctx)
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goto fail;
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#elif defined(WITH_MBEDTLS)
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mbedtls_md_context_t* mdctx;
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mdctx = (mbedtls_md_context_t*)calloc(1, sizeof(mbedtls_md_context_t));
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ctx->mdctx = (mbedtls_md_context_t*)calloc(1, sizeof(mbedtls_md_context_t));
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if (mdctx)
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mbedtls_md_init(mdctx);
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if (!ctx->mdctx)
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goto fail;
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ctx = (WINPR_DIGEST_CTX*)mdctx;
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mbedtls_md_init(ctx->mdctx);
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#endif
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return ctx;
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fail:
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winpr_Digest_Free(ctx);
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}
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#if defined(WITH_OPENSSL)
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static BOOL winpr_Digest_Init_Internal(WINPR_DIGEST_CTX* ctx, const EVP_MD* evp)
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{
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EVP_MD_CTX* mdctx = (EVP_MD_CTX*)ctx;
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WINPR_ASSERT(ctx);
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EVP_MD_CTX* mdctx = ctx->mdctx;
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if (!mdctx || !evp)
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return FALSE;
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@ -377,7 +403,8 @@ static BOOL winpr_Digest_Init_Internal(WINPR_DIGEST_CTX* ctx, const EVP_MD* evp)
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#elif defined(WITH_MBEDTLS)
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static BOOL winpr_Digest_Init_Internal(WINPR_DIGEST_CTX* ctx, WINPR_MD_TYPE md)
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{
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mbedtls_md_context_t* mdctx = (mbedtls_md_context_t*)ctx;
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WINPR_ASSERT(ctx);
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mbedtls_md_context_t* mdctx = ctx->mdctx;
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mbedtls_md_type_t md_type = winpr_mbedtls_get_md_type(md);
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const mbedtls_md_info_t* md_info = mbedtls_md_info_from_type(md_type);
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@ -401,15 +428,16 @@ static BOOL winpr_Digest_Init_Internal(WINPR_DIGEST_CTX* ctx, WINPR_MD_TYPE md)
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BOOL winpr_Digest_Init_Allow_FIPS(WINPR_DIGEST_CTX* ctx, WINPR_MD_TYPE md)
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{
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WINPR_ASSERT(ctx);
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#if defined(WITH_OPENSSL)
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EVP_MD_CTX* mdctx = (EVP_MD_CTX*)ctx;
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const EVP_MD* evp = winpr_openssl_get_evp_md(md);
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/* Only MD5 is supported for FIPS allow override */
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if (md != WINPR_MD_MD5)
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return FALSE;
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EVP_MD_CTX_set_flags(mdctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
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EVP_MD_CTX_set_flags(ctx->mdctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
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return winpr_Digest_Init_Internal(ctx, evp);
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#elif defined(WITH_MBEDTLS)
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@ -423,6 +451,20 @@ BOOL winpr_Digest_Init_Allow_FIPS(WINPR_DIGEST_CTX* ctx, WINPR_MD_TYPE md)
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BOOL winpr_Digest_Init(WINPR_DIGEST_CTX* ctx, WINPR_MD_TYPE md)
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{
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WINPR_ASSERT(ctx);
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ctx->md = md;
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switch (md)
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{
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#if defined(WITH_INTERNAL_MD4)
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case WINPR_MD_MD4:
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winpr_MD4_Init(&ctx->md4);
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return TRUE;
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#endif
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default:
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break;
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}
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#if defined(WITH_OPENSSL)
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const EVP_MD* evp = winpr_openssl_get_evp_md(md);
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return winpr_Digest_Init_Internal(ctx, evp);
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@ -433,14 +475,27 @@ BOOL winpr_Digest_Init(WINPR_DIGEST_CTX* ctx, WINPR_MD_TYPE md)
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BOOL winpr_Digest_Update(WINPR_DIGEST_CTX* ctx, const BYTE* input, size_t ilen)
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{
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WINPR_ASSERT(ctx);
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switch (ctx->md)
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{
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#if defined(WITH_INTERNAL_MD4)
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case WINPR_MD_MD4:
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winpr_MD4_Update(&ctx->md4, input, ilen);
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return TRUE;
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#endif
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default:
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break;
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}
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#if defined(WITH_OPENSSL)
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EVP_MD_CTX* mdctx = (EVP_MD_CTX*)ctx;
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EVP_MD_CTX* mdctx = ctx->mdctx;
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if (EVP_DigestUpdate(mdctx, input, ilen) != 1)
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return FALSE;
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#elif defined(WITH_MBEDTLS)
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mbedtls_md_context_t* mdctx = (mbedtls_md_context_t*)ctx;
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mbedtls_md_context_t* mdctx = ctx->mdctx;
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if (mbedtls_md_update(mdctx, input, ilen) != 0)
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return FALSE;
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@ -451,14 +506,30 @@ BOOL winpr_Digest_Update(WINPR_DIGEST_CTX* ctx, const BYTE* input, size_t ilen)
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BOOL winpr_Digest_Final(WINPR_DIGEST_CTX* ctx, BYTE* output, size_t olen)
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{
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WINPR_ASSERT(ctx);
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switch (ctx->md)
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{
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#if defined(WITH_INTERNAL_MD4)
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case WINPR_MD_MD4:
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if (olen < WINPR_MD4_DIGEST_LENGTH)
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return FALSE;
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winpr_MD4_Final(output, &ctx->md4);
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return TRUE;
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#endif
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default:
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break;
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}
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#if defined(WITH_OPENSSL)
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EVP_MD_CTX* mdctx = (EVP_MD_CTX*)ctx;
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EVP_MD_CTX* mdctx = ctx->mdctx;
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if (EVP_DigestFinal_ex(mdctx, output, NULL) == 1)
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return TRUE;
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#elif defined(WITH_MBEDTLS)
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mbedtls_md_context_t* mdctx = (mbedtls_md_context_t*)ctx;
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mbedtls_md_context_t* mdctx = ctx->mdctx;
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if (mbedtls_md_finish(mdctx, output) == 0)
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return TRUE;
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@ -470,28 +541,25 @@ BOOL winpr_Digest_Final(WINPR_DIGEST_CTX* ctx, BYTE* output, size_t olen)
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void winpr_Digest_Free(WINPR_DIGEST_CTX* ctx)
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{
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#if defined(WITH_OPENSSL)
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EVP_MD_CTX* mdctx = (EVP_MD_CTX*)ctx;
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if (mdctx)
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if (ctx->mdctx)
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{
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#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || \
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(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
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EVP_MD_CTX_destroy(mdctx);
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EVP_MD_CTX_destroy(ctx->mdctx);
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#else
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EVP_MD_CTX_free(mdctx);
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EVP_MD_CTX_free(ctx->mdctx);
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#endif
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}
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#elif defined(WITH_MBEDTLS)
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mbedtls_md_context_t* mdctx = (mbedtls_md_context_t*)ctx;
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if (mdctx)
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if (ctx->mdctx)
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{
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mbedtls_md_free(mdctx);
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free(mdctx);
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mbedtls_md_free(ctx->mdctx);
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free(ctx->mdctx);
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}
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#endif
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free(ctx);
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}
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BOOL winpr_Digest_Allow_FIPS(WINPR_MD_TYPE md, const BYTE* input, size_t ilen, BYTE* output,
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@ -0,0 +1,266 @@
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/*
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* This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
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* MD4 Message-Digest Algorithm (RFC 1320).
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*
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* Homepage:
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* http://openwall.info/wiki/people/solar/software/public-domain-source-code/md4
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*
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* Author:
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* Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
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*
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* This software was written by Alexander Peslyak in 2001. No copyright is
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* claimed, and the software is hereby placed in the public domain.
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* In case this attempt to disclaim copyright and place the software in the
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* public domain is deemed null and void, then the software is
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* Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
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* general public under the following terms:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted.
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*
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* There's ABSOLUTELY NO WARRANTY, express or implied.
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*
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* (This is a heavily cut-down "BSD license".)
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*
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* This differs from Colin Plumb's older public domain implementation in that
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* no exactly 32-bit integer data type is required (any 32-bit or wider
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* unsigned integer data type will do), there's no compile-time endianness
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* configuration, and the function prototypes match OpenSSL's. No code from
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* Colin Plumb's implementation has been reused; this comment merely compares
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* the properties of the two independent implementations.
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*
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* The primary goals of this implementation are portability and ease of use.
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* It is meant to be fast, but not as fast as possible. Some known
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* optimizations are not included to reduce source code size and avoid
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* compile-time configuration.
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*/
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#include <string.h>
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#include "md4.h"
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/*
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* The basic MD4 functions.
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*
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* F and G are optimized compared to their RFC 1320 definitions, with the
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* optimization for F borrowed from Colin Plumb's MD5 implementation.
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*/
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#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
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#define G(x, y, z) (((x) & ((y) | (z))) | ((y) & (z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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/*
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* The MD4 transformation for all three rounds.
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*/
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#define STEP(f, a, b, c, d, x, s) \
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(a) += f((b), (c), (d)) + (x); \
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(a) = (((a) << (s)) | (((a)&0xffffffff) >> (32 - (s))));
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/*
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* SET reads 4 input bytes in little-endian byte order and stores them in a
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* properly aligned word in host byte order.
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*
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* The check for little-endian architectures that tolerate unaligned memory
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* accesses is just an optimization. Nothing will break if it fails to detect
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* a suitable architecture.
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*
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* Unfortunately, this optimization may be a C strict aliasing rules violation
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* if the caller's data buffer has effective type that cannot be aliased by
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* winpr_MD4_u32plus. In practice, this problem may occur if these MD4 routines are
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* inlined into a calling function, or with future and dangerously advanced
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* link-time optimizations. For the time being, keeping these MD4 routines in
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* their own translation unit avoids the problem.
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*/
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#if defined(__i386__) || defined(__x86_64__) || defined(__vax__)
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#define SET(n) (*(winpr_MD4_u32plus*)&ptr[(n)*4])
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#define GET(n) SET(n)
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#else
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#define SET(n) \
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(ctx->block[(n)] = (winpr_MD4_u32plus)ptr[(n)*4] | ((winpr_MD4_u32plus)ptr[(n)*4 + 1] << 8) | \
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((winpr_MD4_u32plus)ptr[(n)*4 + 2] << 16) | \
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((winpr_MD4_u32plus)ptr[(n)*4 + 3] << 24))
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#define GET(n) (ctx->block[(n)])
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#endif
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/*
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* This processes one or more 64-byte data blocks, but does NOT update the bit
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* counters. There are no alignment requirements.
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*/
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static const void* body(WINPR_MD4_CTX* ctx, const void* data, unsigned long size)
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{
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const unsigned char* ptr;
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winpr_MD4_u32plus a, b, c, d;
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winpr_MD4_u32plus saved_a, saved_b, saved_c, saved_d;
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const winpr_MD4_u32plus ac1 = 0x5a827999, ac2 = 0x6ed9eba1;
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ptr = (const unsigned char*)data;
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a = ctx->a;
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b = ctx->b;
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c = ctx->c;
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d = ctx->d;
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do
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{
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saved_a = a;
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saved_b = b;
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saved_c = c;
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saved_d = d;
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/* Round 1 */
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STEP(F, a, b, c, d, SET(0), 3)
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STEP(F, d, a, b, c, SET(1), 7)
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STEP(F, c, d, a, b, SET(2), 11)
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STEP(F, b, c, d, a, SET(3), 19)
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STEP(F, a, b, c, d, SET(4), 3)
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STEP(F, d, a, b, c, SET(5), 7)
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STEP(F, c, d, a, b, SET(6), 11)
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STEP(F, b, c, d, a, SET(7), 19)
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STEP(F, a, b, c, d, SET(8), 3)
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STEP(F, d, a, b, c, SET(9), 7)
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STEP(F, c, d, a, b, SET(10), 11)
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STEP(F, b, c, d, a, SET(11), 19)
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STEP(F, a, b, c, d, SET(12), 3)
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STEP(F, d, a, b, c, SET(13), 7)
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STEP(F, c, d, a, b, SET(14), 11)
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STEP(F, b, c, d, a, SET(15), 19)
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/* Round 2 */
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STEP(G, a, b, c, d, GET(0) + ac1, 3)
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STEP(G, d, a, b, c, GET(4) + ac1, 5)
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STEP(G, c, d, a, b, GET(8) + ac1, 9)
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STEP(G, b, c, d, a, GET(12) + ac1, 13)
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STEP(G, a, b, c, d, GET(1) + ac1, 3)
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STEP(G, d, a, b, c, GET(5) + ac1, 5)
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STEP(G, c, d, a, b, GET(9) + ac1, 9)
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STEP(G, b, c, d, a, GET(13) + ac1, 13)
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STEP(G, a, b, c, d, GET(2) + ac1, 3)
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STEP(G, d, a, b, c, GET(6) + ac1, 5)
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STEP(G, c, d, a, b, GET(10) + ac1, 9)
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STEP(G, b, c, d, a, GET(14) + ac1, 13)
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STEP(G, a, b, c, d, GET(3) + ac1, 3)
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STEP(G, d, a, b, c, GET(7) + ac1, 5)
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STEP(G, c, d, a, b, GET(11) + ac1, 9)
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STEP(G, b, c, d, a, GET(15) + ac1, 13)
|
||||
|
||||
/* Round 3 */
|
||||
STEP(H, a, b, c, d, GET(0) + ac2, 3)
|
||||
STEP(H, d, a, b, c, GET(8) + ac2, 9)
|
||||
STEP(H, c, d, a, b, GET(4) + ac2, 11)
|
||||
STEP(H, b, c, d, a, GET(12) + ac2, 15)
|
||||
STEP(H, a, b, c, d, GET(2) + ac2, 3)
|
||||
STEP(H, d, a, b, c, GET(10) + ac2, 9)
|
||||
STEP(H, c, d, a, b, GET(6) + ac2, 11)
|
||||
STEP(H, b, c, d, a, GET(14) + ac2, 15)
|
||||
STEP(H, a, b, c, d, GET(1) + ac2, 3)
|
||||
STEP(H, d, a, b, c, GET(9) + ac2, 9)
|
||||
STEP(H, c, d, a, b, GET(5) + ac2, 11)
|
||||
STEP(H, b, c, d, a, GET(13) + ac2, 15)
|
||||
STEP(H, a, b, c, d, GET(3) + ac2, 3)
|
||||
STEP(H, d, a, b, c, GET(11) + ac2, 9)
|
||||
STEP(H, c, d, a, b, GET(7) + ac2, 11)
|
||||
STEP(H, b, c, d, a, GET(15) + ac2, 15)
|
||||
|
||||
a += saved_a;
|
||||
b += saved_b;
|
||||
c += saved_c;
|
||||
d += saved_d;
|
||||
|
||||
ptr += 64;
|
||||
} while (size -= 64);
|
||||
|
||||
ctx->a = a;
|
||||
ctx->b = b;
|
||||
ctx->c = c;
|
||||
ctx->d = d;
|
||||
|
||||
return ptr;
|
||||
}
|
||||
|
||||
void winpr_MD4_Init(WINPR_MD4_CTX* ctx)
|
||||
{
|
||||
ctx->a = 0x67452301;
|
||||
ctx->b = 0xefcdab89;
|
||||
ctx->c = 0x98badcfe;
|
||||
ctx->d = 0x10325476;
|
||||
|
||||
ctx->lo = 0;
|
||||
ctx->hi = 0;
|
||||
}
|
||||
|
||||
void winpr_MD4_Update(WINPR_MD4_CTX* ctx, const void* data, unsigned long size)
|
||||
{
|
||||
winpr_MD4_u32plus saved_lo;
|
||||
unsigned long used, available;
|
||||
|
||||
saved_lo = ctx->lo;
|
||||
if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo)
|
||||
ctx->hi++;
|
||||
ctx->hi += size >> 29;
|
||||
|
||||
used = saved_lo & 0x3f;
|
||||
|
||||
if (used)
|
||||
{
|
||||
available = 64 - used;
|
||||
|
||||
if (size < available)
|
||||
{
|
||||
memcpy(&ctx->buffer[used], data, size);
|
||||
return;
|
||||
}
|
||||
|
||||
memcpy(&ctx->buffer[used], data, available);
|
||||
data = (const unsigned char*)data + available;
|
||||
size -= available;
|
||||
body(ctx, ctx->buffer, 64);
|
||||
}
|
||||
|
||||
if (size >= 64)
|
||||
{
|
||||
data = body(ctx, data, size & ~(unsigned long)0x3f);
|
||||
size &= 0x3f;
|
||||
}
|
||||
|
||||
memcpy(ctx->buffer, data, size);
|
||||
}
|
||||
|
||||
#define OUT(dst, src) \
|
||||
(dst)[0] = (unsigned char)(src); \
|
||||
(dst)[1] = (unsigned char)((src) >> 8); \
|
||||
(dst)[2] = (unsigned char)((src) >> 16); \
|
||||
(dst)[3] = (unsigned char)((src) >> 24);
|
||||
|
||||
void winpr_MD4_Final(unsigned char* result, WINPR_MD4_CTX* ctx)
|
||||
{
|
||||
unsigned long used, available;
|
||||
|
||||
used = ctx->lo & 0x3f;
|
||||
|
||||
ctx->buffer[used++] = 0x80;
|
||||
|
||||
available = 64 - used;
|
||||
|
||||
if (available < 8)
|
||||
{
|
||||
memset(&ctx->buffer[used], 0, available);
|
||||
body(ctx, ctx->buffer, 64);
|
||||
used = 0;
|
||||
available = 64;
|
||||
}
|
||||
|
||||
memset(&ctx->buffer[used], 0, available - 8);
|
||||
|
||||
ctx->lo <<= 3;
|
||||
OUT(&ctx->buffer[56], ctx->lo)
|
||||
OUT(&ctx->buffer[60], ctx->hi)
|
||||
|
||||
body(ctx, ctx->buffer, 64);
|
||||
|
||||
OUT(&result[0], ctx->a)
|
||||
OUT(&result[4], ctx->b)
|
||||
OUT(&result[8], ctx->c)
|
||||
OUT(&result[12], ctx->d)
|
||||
|
||||
memset(ctx, 0, sizeof(*ctx));
|
||||
}
|
|
@ -0,0 +1,46 @@
|
|||
/*
|
||||
* This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
|
||||
* MD4 Message-Digest Algorithm (RFC 1320).
|
||||
*
|
||||
* Homepage:
|
||||
* http://openwall.info/wiki/people/solar/software/public-domain-source-code/md4
|
||||
*
|
||||
* Author:
|
||||
* Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
|
||||
*
|
||||
* This software was written by Alexander Peslyak in 2001. No copyright is
|
||||
* claimed, and the software is hereby placed in the public domain.
|
||||
* In case this attempt to disclaim copyright and place the software in the
|
||||
* public domain is deemed null and void, then the software is
|
||||
* Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
|
||||
* general public under the following terms:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted.
|
||||
*
|
||||
* There's ABSOLUTELY NO WARRANTY, express or implied.
|
||||
*
|
||||
* See md4.c for more information.
|
||||
*/
|
||||
|
||||
#if !defined(WINPR_MD4_H)
|
||||
#define WINPR_MD4_H
|
||||
|
||||
#include <winpr/wtypes.h>
|
||||
|
||||
/* Any 32-bit or wider unsigned integer data type will do */
|
||||
typedef UINT32 winpr_MD4_u32plus;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
winpr_MD4_u32plus lo, hi;
|
||||
winpr_MD4_u32plus a, b, c, d;
|
||||
unsigned char buffer[64];
|
||||
winpr_MD4_u32plus block[16];
|
||||
} WINPR_MD4_CTX;
|
||||
|
||||
extern void winpr_MD4_Init(WINPR_MD4_CTX* ctx);
|
||||
extern void winpr_MD4_Update(WINPR_MD4_CTX* ctx, const void* data, unsigned long size);
|
||||
extern void winpr_MD4_Final(unsigned char* result, WINPR_MD4_CTX* ctx);
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue