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527 lines
17 KiB
C
527 lines
17 KiB
C
/*
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* dlls/rsaenh/implglue.c
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* Glueing the RSAENH specific code to the crypto library
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*
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* Copyright (c) 2004, 2005 Michael Jung
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* Copyright (c) 2007 Vijay Kiran Kamuju
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*
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* based on code by Mike McCormack and David Hammerton
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include "wine/library.h"
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#include "windef.h"
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#include "wincrypt.h"
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#include "implglue.h"
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#include <stdio.h>
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/* Function prototypes copied from dlls/advapi32/crypt_md4.c */
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VOID WINAPI MD4Init( MD4_CTX *ctx );
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VOID WINAPI MD4Update( MD4_CTX *ctx, const unsigned char *buf, unsigned int len );
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VOID WINAPI MD4Final( MD4_CTX *ctx );
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/* Function prototypes copied from dlls/advapi32/crypt_md5.c */
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VOID WINAPI MD5Init( MD5_CTX *ctx );
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VOID WINAPI MD5Update( MD5_CTX *ctx, const unsigned char *buf, unsigned int len );
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VOID WINAPI MD5Final( MD5_CTX *ctx );
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/* Function prototypes copied from dlls/advapi32/crypt_sha.c */
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VOID WINAPI A_SHAInit(PSHA_CTX Context);
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VOID WINAPI A_SHAUpdate(PSHA_CTX Context, const unsigned char *Buffer, UINT BufferSize);
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VOID WINAPI A_SHAFinal(PSHA_CTX Context, PULONG Result);
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/* Function prototype copied from dlls/advapi32/crypt.c */
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BOOL WINAPI SystemFunction036(PVOID pbBuffer, ULONG dwLen);
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BOOL init_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext)
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{
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switch (aiAlgid)
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{
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case CALG_MD2:
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md2_init(&pHashContext->md2);
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break;
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case CALG_MD4:
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MD4Init(&pHashContext->md4);
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break;
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case CALG_MD5:
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MD5Init(&pHashContext->md5);
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break;
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case CALG_SHA:
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A_SHAInit(&pHashContext->sha);
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break;
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case CALG_SHA_256:
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SHA256_Init(&pHashContext->sha256);
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break;
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case CALG_SHA_384:
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SHA384_Init(&pHashContext->sha384);
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break;
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case CALG_SHA_512:
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SHA512_Init(&pHashContext->sha512);
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break;
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}
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return TRUE;
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}
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BOOL update_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext, CONST BYTE *pbData,
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DWORD dwDataLen)
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{
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switch (aiAlgid)
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{
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case CALG_MD2:
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md2_process(&pHashContext->md2, pbData, dwDataLen);
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break;
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case CALG_MD4:
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MD4Update(&pHashContext->md4, pbData, dwDataLen);
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break;
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case CALG_MD5:
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MD5Update(&pHashContext->md5, pbData, dwDataLen);
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break;
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case CALG_SHA:
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A_SHAUpdate(&pHashContext->sha, pbData, dwDataLen);
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break;
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case CALG_SHA_256:
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SHA256_Update(&pHashContext->sha256, pbData, dwDataLen);
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break;
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case CALG_SHA_384:
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SHA384_Update(&pHashContext->sha384, pbData, dwDataLen);
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break;
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case CALG_SHA_512:
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SHA512_Update(&pHashContext->sha512, pbData, dwDataLen);
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break;
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default:
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SetLastError(NTE_BAD_ALGID);
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return FALSE;
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}
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return TRUE;
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}
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BOOL finalize_hash_impl(ALG_ID aiAlgid, HASH_CONTEXT *pHashContext, BYTE *pbHashValue)
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{
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switch (aiAlgid)
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{
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case CALG_MD2:
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md2_done(&pHashContext->md2, pbHashValue);
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break;
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case CALG_MD4:
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MD4Final(&pHashContext->md4);
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memcpy(pbHashValue, pHashContext->md4.digest, 16);
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break;
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case CALG_MD5:
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MD5Final(&pHashContext->md5);
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memcpy(pbHashValue, pHashContext->md5.digest, 16);
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break;
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case CALG_SHA:
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A_SHAFinal(&pHashContext->sha, (PULONG)pbHashValue);
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break;
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case CALG_SHA_256:
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SHA256_Final(pbHashValue, &pHashContext->sha256);
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break;
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case CALG_SHA_384:
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SHA384_Final(pbHashValue, &pHashContext->sha384);
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break;
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case CALG_SHA_512:
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SHA512_Final(pbHashValue, &pHashContext->sha512);
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break;
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default:
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SetLastError(NTE_BAD_ALGID);
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return FALSE;
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}
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return TRUE;
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}
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BOOL duplicate_hash_impl(ALG_ID aiAlgid, CONST HASH_CONTEXT *pSrcHashContext,
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HASH_CONTEXT *pDestHashContext)
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{
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*pDestHashContext = *pSrcHashContext;
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return TRUE;
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}
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BOOL new_key_impl(ALG_ID aiAlgid, KEY_CONTEXT *pKeyContext, DWORD dwKeyLen)
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{
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switch (aiAlgid)
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{
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case CALG_RSA_KEYX:
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case CALG_RSA_SIGN:
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if (rsa_make_key((int)dwKeyLen, 65537, &pKeyContext->rsa) != CRYPT_OK) {
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SetLastError(NTE_FAIL);
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return FALSE;
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}
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return TRUE;
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}
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return TRUE;
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}
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BOOL free_key_impl(ALG_ID aiAlgid, KEY_CONTEXT *pKeyContext)
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{
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switch (aiAlgid)
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{
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case CALG_RSA_KEYX:
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case CALG_RSA_SIGN:
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rsa_free(&pKeyContext->rsa);
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}
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return TRUE;
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}
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BOOL setup_key_impl(ALG_ID aiAlgid, KEY_CONTEXT *pKeyContext, DWORD dwKeyLen,
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DWORD dwEffectiveKeyLen, DWORD dwSaltLen, BYTE *abKeyValue)
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{
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switch (aiAlgid)
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{
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case CALG_RC4:
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rc4_start(&pKeyContext->rc4);
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rc4_add_entropy(abKeyValue, dwKeyLen + dwSaltLen, &pKeyContext->rc4);
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rc4_ready(&pKeyContext->rc4);
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break;
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case CALG_RC2:
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rc2_setup(abKeyValue, dwKeyLen + dwSaltLen, dwEffectiveKeyLen ?
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dwEffectiveKeyLen : dwKeyLen << 3, 0, &pKeyContext->rc2);
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break;
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case CALG_3DES:
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des3_setup(abKeyValue, 24, 0, &pKeyContext->des3);
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break;
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case CALG_3DES_112:
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memcpy(abKeyValue+16, abKeyValue, 8);
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des3_setup(abKeyValue, 24, 0, &pKeyContext->des3);
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break;
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case CALG_DES:
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des_setup(abKeyValue, 8, 0, &pKeyContext->des);
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break;
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case CALG_AES:
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case CALG_AES_128:
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aes_setup(abKeyValue, 16, 0, &pKeyContext->aes);
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break;
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case CALG_AES_192:
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aes_setup(abKeyValue, 24, 0, &pKeyContext->aes);
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break;
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case CALG_AES_256:
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aes_setup(abKeyValue, 32, 0, &pKeyContext->aes);
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break;
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}
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return TRUE;
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}
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BOOL duplicate_key_impl(ALG_ID aiAlgid, CONST KEY_CONTEXT *pSrcKeyContext,
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KEY_CONTEXT *pDestKeyContext)
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{
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switch (aiAlgid)
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{
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case CALG_RC4:
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case CALG_RC2:
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case CALG_3DES:
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case CALG_3DES_112:
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case CALG_DES:
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case CALG_AES:
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case CALG_AES_128:
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case CALG_AES_192:
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case CALG_AES_256:
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*pDestKeyContext = *pSrcKeyContext;
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break;
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case CALG_RSA_KEYX:
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case CALG_RSA_SIGN:
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pDestKeyContext->rsa.type = pSrcKeyContext->rsa.type;
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mp_init_copy(&pDestKeyContext->rsa.e, &pSrcKeyContext->rsa.e);
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mp_init_copy(&pDestKeyContext->rsa.d, &pSrcKeyContext->rsa.d);
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mp_init_copy(&pDestKeyContext->rsa.N, &pSrcKeyContext->rsa.N);
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mp_init_copy(&pDestKeyContext->rsa.p, &pSrcKeyContext->rsa.p);
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mp_init_copy(&pDestKeyContext->rsa.q, &pSrcKeyContext->rsa.q);
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mp_init_copy(&pDestKeyContext->rsa.qP, &pSrcKeyContext->rsa.qP);
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mp_init_copy(&pDestKeyContext->rsa.dP, &pSrcKeyContext->rsa.dP);
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mp_init_copy(&pDestKeyContext->rsa.dQ, &pSrcKeyContext->rsa.dQ);
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break;
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default:
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SetLastError(NTE_BAD_ALGID);
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return FALSE;
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}
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return TRUE;
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}
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static inline void reverse_bytes(BYTE *pbData, DWORD dwLen) {
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BYTE swap;
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DWORD i;
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for (i=0; i<dwLen/2; i++) {
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swap = pbData[i];
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pbData[i] = pbData[dwLen-i-1];
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pbData[dwLen-i-1] = swap;
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}
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}
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BOOL encrypt_block_impl(ALG_ID aiAlgid, DWORD dwKeySpec, KEY_CONTEXT *pKeyContext, CONST BYTE *in, BYTE *out,
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DWORD enc)
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{
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unsigned long inlen, outlen;
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BYTE *in_reversed = NULL;
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switch (aiAlgid) {
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case CALG_RC2:
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if (enc) {
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rc2_ecb_encrypt(in, out, &pKeyContext->rc2);
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} else {
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rc2_ecb_decrypt(in, out, &pKeyContext->rc2);
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}
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break;
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case CALG_3DES:
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case CALG_3DES_112:
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if (enc) {
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des3_ecb_encrypt(in, out, &pKeyContext->des3);
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} else {
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des3_ecb_decrypt(in, out, &pKeyContext->des3);
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}
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break;
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case CALG_DES:
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if (enc) {
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des_ecb_encrypt(in, out, &pKeyContext->des);
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} else {
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des_ecb_decrypt(in, out, &pKeyContext->des);
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}
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break;
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case CALG_AES:
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case CALG_AES_128:
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case CALG_AES_192:
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case CALG_AES_256:
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if (enc) {
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aes_ecb_encrypt(in, out, &pKeyContext->aes);
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} else {
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aes_ecb_decrypt(in, out, &pKeyContext->aes);
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}
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break;
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case CALG_RSA_KEYX:
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case CALG_RSA_SIGN:
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case CALG_SSL3_SHAMD5:
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outlen = inlen = (mp_count_bits(&pKeyContext->rsa.N)+7)/8;
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if (enc) {
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if (rsa_exptmod(in, inlen, out, &outlen, dwKeySpec, &pKeyContext->rsa) != CRYPT_OK) {
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SetLastError(NTE_FAIL);
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return FALSE;
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}
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reverse_bytes(out, outlen);
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} else {
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in_reversed = HeapAlloc(GetProcessHeap(), 0, inlen);
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if (!in_reversed) {
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SetLastError(NTE_NO_MEMORY);
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return FALSE;
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}
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memcpy(in_reversed, in, inlen);
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reverse_bytes(in_reversed, inlen);
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if (rsa_exptmod(in_reversed, inlen, out, &outlen, dwKeySpec, &pKeyContext->rsa) != CRYPT_OK) {
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HeapFree(GetProcessHeap(), 0, in_reversed);
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SetLastError(NTE_FAIL);
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return FALSE;
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}
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HeapFree(GetProcessHeap(), 0, in_reversed);
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}
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break;
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default:
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SetLastError(NTE_BAD_ALGID);
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return FALSE;
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}
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return TRUE;
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}
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BOOL encrypt_stream_impl(ALG_ID aiAlgid, KEY_CONTEXT *pKeyContext, BYTE *stream, DWORD dwLen)
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{
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switch (aiAlgid) {
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case CALG_RC4:
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rc4_read(stream, dwLen, &pKeyContext->rc4);
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break;
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default:
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SetLastError(NTE_BAD_ALGID);
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return FALSE;
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}
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return TRUE;
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}
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BOOL gen_rand_impl(BYTE *pbBuffer, DWORD dwLen)
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{
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return SystemFunction036(pbBuffer, dwLen);
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}
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BOOL export_public_key_impl(BYTE *pbDest, const KEY_CONTEXT *pKeyContext, DWORD dwKeyLen,DWORD *pdwPubExp)
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{
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mp_to_unsigned_bin(&pKeyContext->rsa.N, pbDest);
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reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.N));
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if (mp_unsigned_bin_size(&pKeyContext->rsa.N) < dwKeyLen)
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memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.N), 0,
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dwKeyLen - mp_unsigned_bin_size(&pKeyContext->rsa.N));
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*pdwPubExp = (DWORD)mp_get_int(&pKeyContext->rsa.e);
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return TRUE;
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}
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BOOL import_public_key_impl(CONST BYTE *pbSrc, KEY_CONTEXT *pKeyContext, DWORD dwKeyLen,
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DWORD dwPubExp)
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{
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BYTE *pbTemp;
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if (mp_init_multi(&pKeyContext->rsa.e, &pKeyContext->rsa.d, &pKeyContext->rsa.N,
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&pKeyContext->rsa.dQ,&pKeyContext->rsa.dP,&pKeyContext->rsa.qP,
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&pKeyContext->rsa.p, &pKeyContext->rsa.q, NULL) != MP_OKAY)
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{
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SetLastError(NTE_FAIL);
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return FALSE;
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}
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pbTemp = HeapAlloc(GetProcessHeap(), 0, dwKeyLen);
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if (!pbTemp) return FALSE;
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memcpy(pbTemp, pbSrc, dwKeyLen);
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pKeyContext->rsa.type = PK_PUBLIC;
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reverse_bytes(pbTemp, dwKeyLen);
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mp_read_unsigned_bin(&pKeyContext->rsa.N, pbTemp, dwKeyLen);
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HeapFree(GetProcessHeap(), 0, pbTemp);
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mp_set_int(&pKeyContext->rsa.e, dwPubExp);
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return TRUE;
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}
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BOOL export_private_key_impl(BYTE *pbDest, const KEY_CONTEXT *pKeyContext, DWORD dwKeyLen,
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DWORD *pdwPubExp)
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{
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mp_to_unsigned_bin(&pKeyContext->rsa.N, pbDest);
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reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.N));
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if (mp_unsigned_bin_size(&pKeyContext->rsa.N) < dwKeyLen)
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memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.N), 0,
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dwKeyLen - mp_unsigned_bin_size(&pKeyContext->rsa.N));
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pbDest += dwKeyLen;
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mp_to_unsigned_bin(&pKeyContext->rsa.p, pbDest);
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reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.p));
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if (mp_unsigned_bin_size(&pKeyContext->rsa.p) < (dwKeyLen+1)>>1)
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memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.p), 0,
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((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.p));
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pbDest += (dwKeyLen+1)>>1;
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mp_to_unsigned_bin(&pKeyContext->rsa.q, pbDest);
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reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.q));
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if (mp_unsigned_bin_size(&pKeyContext->rsa.q) < (dwKeyLen+1)>>1)
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memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.q), 0,
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((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.q));
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pbDest += (dwKeyLen+1)>>1;
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mp_to_unsigned_bin(&pKeyContext->rsa.dP, pbDest);
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reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.dP));
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if (mp_unsigned_bin_size(&pKeyContext->rsa.dP) < (dwKeyLen+1)>>1)
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memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.dP), 0,
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((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.dP));
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pbDest += (dwKeyLen+1)>>1;
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mp_to_unsigned_bin(&pKeyContext->rsa.dQ, pbDest);
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reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.dQ));
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if (mp_unsigned_bin_size(&pKeyContext->rsa.dQ) < (dwKeyLen+1)>>1)
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memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.dQ), 0,
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((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.dQ));
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pbDest += (dwKeyLen+1)>>1;
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mp_to_unsigned_bin(&pKeyContext->rsa.qP, pbDest);
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reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.qP));
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if (mp_unsigned_bin_size(&pKeyContext->rsa.qP) < (dwKeyLen+1)>>1)
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memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.qP), 0,
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((dwKeyLen+1)>>1) - mp_unsigned_bin_size(&pKeyContext->rsa.qP));
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pbDest += (dwKeyLen+1)>>1;
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mp_to_unsigned_bin(&pKeyContext->rsa.d, pbDest);
|
|
reverse_bytes(pbDest, mp_unsigned_bin_size(&pKeyContext->rsa.d));
|
|
if (mp_unsigned_bin_size(&pKeyContext->rsa.d) < dwKeyLen)
|
|
memset(pbDest + mp_unsigned_bin_size(&pKeyContext->rsa.d), 0,
|
|
dwKeyLen - mp_unsigned_bin_size(&pKeyContext->rsa.d));
|
|
*pdwPubExp = (DWORD)mp_get_int(&pKeyContext->rsa.e);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL import_private_key_impl(CONST BYTE *pbSrc, KEY_CONTEXT *pKeyContext, DWORD dwKeyLen,
|
|
DWORD dwPubExp)
|
|
{
|
|
BYTE *pbTemp, *pbBigNum;
|
|
|
|
if (mp_init_multi(&pKeyContext->rsa.e, &pKeyContext->rsa.d, &pKeyContext->rsa.N,
|
|
&pKeyContext->rsa.dQ,&pKeyContext->rsa.dP,&pKeyContext->rsa.qP,
|
|
&pKeyContext->rsa.p, &pKeyContext->rsa.q, NULL) != MP_OKAY)
|
|
{
|
|
SetLastError(NTE_FAIL);
|
|
return FALSE;
|
|
}
|
|
|
|
pbTemp = HeapAlloc(GetProcessHeap(), 0, 2*dwKeyLen+5*((dwKeyLen+1)>>1));
|
|
if (!pbTemp) return FALSE;
|
|
memcpy(pbTemp, pbSrc, 2*dwKeyLen+5*((dwKeyLen+1)>>1));
|
|
pbBigNum = pbTemp;
|
|
|
|
pKeyContext->rsa.type = PK_PRIVATE;
|
|
reverse_bytes(pbBigNum, dwKeyLen);
|
|
mp_read_unsigned_bin(&pKeyContext->rsa.N, pbBigNum, dwKeyLen);
|
|
pbBigNum += dwKeyLen;
|
|
reverse_bytes(pbBigNum, (dwKeyLen+1)>>1);
|
|
mp_read_unsigned_bin(&pKeyContext->rsa.p, pbBigNum, (dwKeyLen+1)>>1);
|
|
pbBigNum += (dwKeyLen+1)>>1;
|
|
reverse_bytes(pbBigNum, (dwKeyLen+1)>>1);
|
|
mp_read_unsigned_bin(&pKeyContext->rsa.q, pbBigNum, (dwKeyLen+1)>>1);
|
|
pbBigNum += (dwKeyLen+1)>>1;
|
|
reverse_bytes(pbBigNum, (dwKeyLen+1)>>1);
|
|
mp_read_unsigned_bin(&pKeyContext->rsa.dP, pbBigNum, (dwKeyLen+1)>>1);
|
|
pbBigNum += (dwKeyLen+1)>>1;
|
|
reverse_bytes(pbBigNum, (dwKeyLen+1)>>1);
|
|
mp_read_unsigned_bin(&pKeyContext->rsa.dQ, pbBigNum, (dwKeyLen+1)>>1);
|
|
pbBigNum += (dwKeyLen+1)>>1;
|
|
reverse_bytes(pbBigNum, (dwKeyLen+1)>>1);
|
|
mp_read_unsigned_bin(&pKeyContext->rsa.qP, pbBigNum, (dwKeyLen+1)>>1);
|
|
pbBigNum += (dwKeyLen+1)>>1;
|
|
reverse_bytes(pbBigNum, dwKeyLen);
|
|
mp_read_unsigned_bin(&pKeyContext->rsa.d, pbBigNum, dwKeyLen);
|
|
mp_set_int(&pKeyContext->rsa.e, dwPubExp);
|
|
|
|
HeapFree(GetProcessHeap(), 0, pbTemp);
|
|
return TRUE;
|
|
}
|