2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
57 #include <openssl/crypto.h>
58 #include <openssl/buffer.h>
59 #include <openssl/rsa.h>
60 #include <openssl/bn.h>
62 #ifdef OPENSSL_SYS_WIN32
63 #ifndef OPENSSL_NO_CAPIENG
68 #undef X509_EXTENSIONS
71 #include <openssl/engine.h>
72 #include <openssl/pem.h>
74 #include "e_capi_err.h"
75 #include "e_capi_err.c"
78 static const char *engine_capi_id = "capi";
79 static const char *engine_capi_name = "CryptoAPI ENGINE";
81 typedef struct CAPI_CTX_st CAPI_CTX;
82 typedef struct CAPI_KEY_st CAPI_KEY;
84 static void capi_addlasterror(void);
85 static void capi_adderror(DWORD err);
87 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
89 static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
90 static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
91 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
92 void capi_free_key(CAPI_KEY *key);
94 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
96 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id);
98 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
99 UI_METHOD *ui_method, void *callback_data);
100 static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
101 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
102 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
103 unsigned char *to, RSA *rsa, int padding);
104 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
105 unsigned char *to, RSA *rsa, int padding);
106 static int capi_rsa_free(RSA *rsa);
108 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
110 static int capi_dsa_free(DSA *dsa);
112 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
113 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
114 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
116 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
117 #ifdef OPENSSL_CAPIENG_DIALOG
118 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
121 typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
122 LPCWSTR, DWORD, DWORD,
124 typedef HWND (WINAPI *GETCONSWIN)(void);
126 /* This structure contains CAPI ENGINE specific data:
127 * it contains various global options and affects how
128 * other functions behave.
131 #define CAPI_DBG_TRACE 2
132 #define CAPI_DBG_ERROR 1
137 /* Parameters to use for container lookup */
141 /* Certificate store name to use */
143 LPTSTR ssl_client_store;
145 /* Lookup string meanings in load_private_key */
146 /* Substring of subject: uses "storename" */
147 #define CAPI_LU_SUBSTR 0
148 /* Friendly name: uses storename */
149 #define CAPI_LU_FNAME 1
150 /* Container name: uses cspname, keytype */
151 #define CAPI_LU_CONTNAME 2
153 /* Info to dump with dumpcerts option */
154 /* Issuer and serial name strings */
155 #define CAPI_DMP_SUMMARY 0x1
157 #define CAPI_DMP_FNAME 0x2
158 /* Full X509_print dump */
159 #define CAPI_DMP_FULL 0x4
160 /* Dump PEM format certificate */
161 #define CAPI_DMP_PEM 0x8
162 /* Dump pseudo key (if possible) */
163 #define CAPI_DMP_PSKEY 0x10
164 /* Dump key info (if possible) */
165 #define CAPI_DMP_PKEYINFO 0x20
168 int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
170 CERTDLG certselectdlg;
171 GETCONSWIN getconswindow;
175 static CAPI_CTX *capi_ctx_new();
176 static void capi_ctx_free(CAPI_CTX *ctx);
177 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
178 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
180 #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
181 #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
182 #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
183 #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
184 #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
185 #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
186 #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
187 #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
188 #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
189 #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
190 #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
191 #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
192 #define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
194 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
195 {CAPI_CMD_LIST_CERTS,
197 "List all certificates in store",
198 ENGINE_CMD_FLAG_NO_INPUT},
199 {CAPI_CMD_LOOKUP_CERT,
201 "Lookup and output certificates",
202 ENGINE_CMD_FLAG_STRING},
203 {CAPI_CMD_DEBUG_LEVEL,
205 "debug level (1=errors, 2=trace)",
206 ENGINE_CMD_FLAG_NUMERIC},
207 {CAPI_CMD_DEBUG_FILE,
209 "debugging filename)",
210 ENGINE_CMD_FLAG_STRING},
213 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
214 ENGINE_CMD_FLAG_NUMERIC},
218 ENGINE_CMD_FLAG_NO_INPUT},
219 {CAPI_CMD_SET_CSP_IDX,
222 ENGINE_CMD_FLAG_NUMERIC},
223 {CAPI_CMD_SET_CSP_NAME,
225 "Set CSP name, (default CSP used if not specified)",
226 ENGINE_CMD_FLAG_STRING},
227 {CAPI_CMD_SET_CSP_TYPE,
229 "Set CSP type, (default RSA_PROV_FULL)",
230 ENGINE_CMD_FLAG_NUMERIC},
231 {CAPI_CMD_LIST_CONTAINERS,
233 "list container names",
234 ENGINE_CMD_FLAG_NO_INPUT},
235 {CAPI_CMD_LIST_OPTIONS,
237 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
238 "32=private key info)",
239 ENGINE_CMD_FLAG_NUMERIC},
240 {CAPI_CMD_LOOKUP_METHOD,
242 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
243 ENGINE_CMD_FLAG_NUMERIC},
244 {CAPI_CMD_STORE_NAME,
246 "certificate store name, default \"MY\"",
247 ENGINE_CMD_FLAG_STRING},
252 static int capi_idx = -1;
253 static int rsa_capi_idx = -1;
254 static int dsa_capi_idx = -1;
255 static int cert_capi_idx = -1;
257 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
264 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
267 ctx = ENGINE_get_ex_data(e, capi_idx);
268 out = BIO_new_fp(stdout, BIO_NOCLOSE);
271 case CAPI_CMD_LIST_CSPS:
272 ret = capi_list_providers(ctx, out);
275 case CAPI_CMD_LIST_CERTS:
276 ret = capi_list_certs(ctx, out, NULL);
279 case CAPI_CMD_LOOKUP_CERT:
280 ret = capi_list_certs(ctx, out, p);
283 case CAPI_CMD_LIST_CONTAINERS:
284 ret = capi_list_containers(ctx, out);
287 case CAPI_CMD_STORE_NAME:
289 OPENSSL_free(ctx->storename);
290 ctx->storename = BUF_strdup(p);
291 CAPI_trace(ctx, "Setting store name to %s\n", p);
294 case CAPI_CMD_DEBUG_LEVEL:
295 ctx->debug_level = (int)i;
296 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
299 case CAPI_CMD_DEBUG_FILE:
300 ctx->debug_file = BUF_strdup(p);
301 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
304 case CAPI_CMD_KEYTYPE:
306 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
309 case CAPI_CMD_SET_CSP_IDX:
310 ret = capi_ctx_set_provname_idx(ctx, i);
313 case CAPI_CMD_LIST_OPTIONS:
317 case CAPI_CMD_LOOKUP_METHOD:
320 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
323 ctx->lookup_method = i;
326 case CAPI_CMD_SET_CSP_NAME:
327 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
330 case CAPI_CMD_SET_CSP_TYPE:
335 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
344 static RSA_METHOD capi_rsa_method =
346 "CryptoAPI RSA method",
349 capi_rsa_priv_enc, /* priv_enc */
350 capi_rsa_priv_dec, /* priv_dec */
354 capi_rsa_free, /* finish */
355 RSA_FLAG_SIGN_VER, /* flags */
357 capi_rsa_sign, /* rsa_sign */
361 static DSA_METHOD capi_dsa_method =
363 "CryptoAPI DSA method",
364 capi_dsa_do_sign, /* dsa_do_sign */
365 0, /* dsa_sign_setup */
366 0, /* dsa_do_verify */
370 capi_dsa_free, /* finish */
373 0, /* dsa_paramgen */
377 static int capi_init(ENGINE *e)
380 const RSA_METHOD *ossl_rsa_meth;
381 const DSA_METHOD *ossl_dsa_meth;
382 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
383 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
385 ctx = capi_ctx_new();
386 if (!ctx || (capi_idx < 0))
389 ENGINE_set_ex_data(e, capi_idx, ctx);
390 /* Setup RSA_METHOD */
391 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
392 ossl_rsa_meth = RSA_PKCS1_SSLeay();
393 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
394 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
395 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
396 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
398 /* Setup DSA Method */
399 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
400 ossl_dsa_meth = DSA_OpenSSL();
401 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
402 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
403 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
405 #ifdef OPENSSL_CAPIENG_DIALOG
407 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
408 HMODULE kernel = LoadLibrary(TEXT("KERNEL32.DLL"));
410 ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
412 ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
414 // if (cryptui && !OPENSSL_isservice())
415 ctx->client_cert_select = cert_select_dialog;
423 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
429 static int capi_destroy(ENGINE *e)
431 ERR_unload_CAPI_strings();
435 static int capi_finish(ENGINE *e)
438 ctx = ENGINE_get_ex_data(e, capi_idx);
440 ENGINE_set_ex_data(e, capi_idx, NULL);
445 /* CryptoAPI key application data. This contains
446 * a handle to the private key container (for sign operations)
447 * and a handle to the key (for decrypt operations).
452 /* Associated certificate context (if any) */
453 PCCERT_CONTEXT pcert;
459 static int bind_capi(ENGINE *e)
461 if (!ENGINE_set_id(e, engine_capi_id)
462 || !ENGINE_set_name(e, engine_capi_name)
463 || !ENGINE_set_init_function(e, capi_init)
464 || !ENGINE_set_finish_function(e, capi_finish)
465 || !ENGINE_set_destroy_function(e, capi_destroy)
466 || !ENGINE_set_RSA(e, &capi_rsa_method)
467 || !ENGINE_set_DSA(e, &capi_dsa_method)
468 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
469 || !ENGINE_set_load_ssl_client_cert_function(e,
470 capi_load_ssl_client_cert)
471 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
472 || !ENGINE_set_ctrl_function(e, capi_ctrl))
474 ERR_load_CAPI_strings();
480 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
481 static int bind_helper(ENGINE *e, const char *id)
483 if(id && (strcmp(id, engine_capi_id) != 0))
489 IMPLEMENT_DYNAMIC_CHECK_FN()
490 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
492 static ENGINE *engine_capi(void)
494 ENGINE *ret = ENGINE_new();
505 void ENGINE_load_capi(void)
507 /* Copied from eng_[openssl|dyn].c */
508 ENGINE *toadd = engine_capi();
517 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
520 /* Reverse buffer in place: since this is a keyblob structure
521 * that will be freed up after conversion anyway it doesn't
522 * matter if we change it.
524 for(i = 0; i < binlen / 2; i++)
528 bin[i] = bin[binlen - i - 1];
529 bin[binlen - i - 1] = c;
532 if (!BN_bin2bn(bin, binlen, bn))
537 /* Given a CAPI_KEY get an EVP_PKEY structure */
539 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
541 unsigned char *pubkey = NULL;
546 EVP_PKEY *ret = NULL;
547 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
549 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
554 pubkey = OPENSSL_malloc(len);
559 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
561 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
566 bh = (BLOBHEADER *)pubkey;
567 if (bh->bType != PUBLICKEYBLOB)
569 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
572 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
576 unsigned char *rsa_modulus;
577 rp = (RSAPUBKEY *)(bh + 1);
578 if (rp->magic != 0x31415352)
581 BIO_snprintf(magstr, 10, "%lx", rp->magic);
582 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
583 ERR_add_error_data(2, "magic=0x", magstr);
586 rsa_modulus = (unsigned char *)(rp + 1);
587 rkey = RSA_new_method(eng);
594 if (!rkey->e || !rkey->n)
597 if (!BN_set_word(rkey->e, rp->pubexp))
600 rsa_modlen = rp->bitlen / 8;
601 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
604 RSA_set_ex_data(rkey, rsa_capi_idx, key);
606 if (!(ret = EVP_PKEY_new()))
609 EVP_PKEY_assign_RSA(ret, rkey);
613 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
618 dp = (DSSPUBKEY *)(bh + 1);
619 if (dp->magic != 0x31535344)
622 BIO_snprintf(magstr, 10, "%lx", dp->magic);
623 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
624 ERR_add_error_data(2, "magic=0x", magstr);
627 dsa_plen = dp->bitlen / 8;
628 btmp = (unsigned char *)(dp + 1);
629 dkey = DSA_new_method(eng);
635 dkey->pub_key = BN_new();
636 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
638 if (!lend_tobn(dkey->p, btmp, dsa_plen))
641 if (!lend_tobn(dkey->q, btmp, 20))
644 if (!lend_tobn(dkey->g, btmp, dsa_plen))
647 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
651 DSA_set_ex_data(dkey, dsa_capi_idx, key);
653 if (!(ret = EVP_PKEY_new()))
656 EVP_PKEY_assign_DSA(ret, dkey);
662 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
663 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
664 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
671 OPENSSL_free(pubkey);
683 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
688 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
689 UI_METHOD *ui_method, void *callback_data)
694 ctx = ENGINE_get_ex_data(eng, capi_idx);
698 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
702 key = capi_find_key(ctx, key_id);
707 ret = capi_get_pkey(eng, key);
715 /* CryptoAPI RSA operations */
717 int capi_rsa_priv_enc(int flen, const unsigned char *from,
718 unsigned char *to, RSA *rsa, int padding)
720 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
724 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
725 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
735 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
737 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
739 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
742 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
745 /* Convert the signature type to a CryptoAPI algorithm ID */
757 alg = CALG_SSL3_SHAMD5;
762 BIO_snprintf(algstr, 10, "%lx", dtype);
763 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
764 ERR_add_error_data(2, "NID=0x", algstr);
771 /* Create the hash object */
772 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
774 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
778 /* Set the hash value to the value passed */
780 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
782 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
788 /* Finally sign it */
789 slen = RSA_size(rsa);
790 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
792 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
799 /* Inplace byte reversal of signature */
800 for(i = 0; i < slen / 2; i++)
804 sigret[i] = sigret[slen - i - 1];
805 sigret[slen - i - 1] = c;
813 CryptDestroyHash(hash);
818 int capi_rsa_priv_dec(int flen, const unsigned char *from,
819 unsigned char *to, RSA *rsa, int padding)
822 unsigned char *tmpbuf;
825 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
827 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
830 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
833 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
837 if(padding != RSA_PKCS1_PADDING)
840 BIO_snprintf(errstr, 10, "%d", padding);
841 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
842 ERR_add_error_data(2, "padding=", errstr);
846 /* Create temp reverse order version of input */
847 if(!(tmpbuf = OPENSSL_malloc(flen)) )
849 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
852 for(i = 0; i < flen; i++)
853 tmpbuf[flen - i - 1] = from[i];
855 /* Finally decrypt it */
856 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
858 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
860 OPENSSL_free(tmpbuf);
863 else memcpy(to, tmpbuf, flen);
865 OPENSSL_free(tmpbuf);
870 static int capi_rsa_free(RSA *rsa)
873 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
874 capi_free_key(capi_key);
875 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
879 /* CryptoAPI DSA operations */
881 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
889 unsigned char csigbuf[40];
891 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
893 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
895 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
899 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
905 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
909 /* Create the hash object */
910 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
912 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
917 /* Set the hash value to the value passed */
918 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
920 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
926 /* Finally sign it */
927 slen = sizeof(csigbuf);
928 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
930 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
941 if (!ret->r || !ret->s)
943 if (!lend_tobn(ret->r, csigbuf, 20)
944 || !lend_tobn(ret->s, csigbuf + 20, 20))
955 OPENSSL_cleanse(csigbuf, 40);
956 CryptDestroyHash(hash);
960 static int capi_dsa_free(DSA *dsa)
963 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
964 capi_free_key(capi_key);
965 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
969 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
973 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
975 out = BIO_new_file(ctx->debug_file, "a+");
976 BIO_vprintf(out, format, argptr);
980 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
983 va_start(args, format);
984 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
988 static void capi_addlasterror(void)
990 capi_adderror(GetLastError());
993 static void capi_adderror(DWORD err)
996 BIO_snprintf(errstr, 10, "%lX", err);
997 ERR_add_error_data(2, "Error code= 0x", errstr);
1000 static char *wide_to_asc(LPWSTR wstr)
1005 str = OPENSSL_malloc(wcslen(wstr) + 1);
1008 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1011 sprintf(str, "%S", wstr);
1015 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
1019 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1020 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
1022 err = GetLastError();
1023 if (err == ERROR_NO_MORE_ITEMS)
1025 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1029 name = OPENSSL_malloc(len);
1030 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
1032 err = GetLastError();
1033 if (err == ERROR_NO_MORE_ITEMS)
1035 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1040 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
1045 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
1049 LPTSTR provname = NULL;
1050 CAPI_trace(ctx, "capi_list_providers\n");
1051 BIO_printf(out, "Available CSPs:\n");
1052 for(idx = 0; ; idx++)
1054 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1059 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1060 OPENSSL_free(provname);
1065 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1069 DWORD err, idx, flags, buflen = 0, clen;
1071 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1072 if (!CryptAcquireContext(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1074 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1075 capi_addlasterror();
1078 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1080 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1081 capi_addlasterror();
1084 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1087 cname = OPENSSL_malloc(buflen);
1090 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1094 for (idx = 0;;idx++)
1100 flags = CRYPT_FIRST;
1103 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1105 err = GetLastError();
1106 if (err == ERROR_NO_MORE_ITEMS)
1108 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1112 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1113 if (!cname[0] && (clen == buflen))
1115 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1118 BIO_printf(out, "%d. %s\n", idx, cname);
1126 OPENSSL_free(cname);
1127 CryptReleaseContext(hprov, 0);
1132 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1135 CRYPT_KEY_PROV_INFO *pinfo;
1137 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1139 pinfo = OPENSSL_malloc(len);
1142 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1145 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1147 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1148 capi_addlasterror();
1149 OPENSSL_free(pinfo);
1155 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1157 char *provname = NULL, *contname = NULL;
1160 BIO_printf(out, " No Private Key\n");
1163 provname = wide_to_asc(pinfo->pwszProvName);
1164 contname = wide_to_asc(pinfo->pwszContainerName);
1165 if (!provname || !contname)
1168 BIO_printf(out, " Private Key Info:\n");
1169 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1170 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1173 OPENSSL_free(provname);
1175 OPENSSL_free(contname);
1178 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1183 CAPI_trace(ctx, "capi_cert_get_fname\n");
1184 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1186 wfname = OPENSSL_malloc(dlen);
1187 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1189 char *fname = wide_to_asc(wfname);
1190 OPENSSL_free(wfname);
1193 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1194 capi_addlasterror();
1196 OPENSSL_free(wfname);
1201 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1205 unsigned long flags = ctx->dump_flags;
1206 if (flags & CAPI_DMP_FNAME)
1209 fname = capi_cert_get_fname(ctx, cert);
1212 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1213 OPENSSL_free(fname);
1216 BIO_printf(out, " <No Friendly Name>\n");
1219 p = cert->pbCertEncoded;
1220 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1222 BIO_printf(out, " <Can't parse certificate>\n");
1223 if (flags & CAPI_DMP_SUMMARY)
1225 BIO_printf(out, " Subject: ");
1226 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1227 BIO_printf(out, "\n Issuer: ");
1228 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1229 BIO_printf(out, "\n");
1231 if (flags & CAPI_DMP_FULL)
1232 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1234 if (flags & CAPI_DMP_PKEYINFO)
1236 CRYPT_KEY_PROV_INFO *pinfo;
1237 pinfo = capi_get_prov_info(ctx, cert);
1238 capi_dump_prov_info(ctx, out, pinfo);
1240 OPENSSL_free(pinfo);
1243 if (flags & CAPI_DMP_PEM)
1244 PEM_write_bio_X509(out, x);
1248 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1253 storename = ctx->storename;
1256 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1258 hstore = CertOpenSystemStore(0, storename);
1261 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1262 capi_addlasterror();
1267 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1273 PCCERT_CONTEXT cert = NULL;
1275 storename = ctx->storename;
1278 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1280 hstore = capi_open_store(ctx, storename);
1285 cert = capi_find_cert(ctx, id, hstore);
1291 capi_dump_cert(ctx, out, cert);
1292 CertFreeCertificateContext(cert);
1298 LPWSTR fname = NULL;
1299 cert = CertEnumCertificatesInStore(hstore, cert);
1302 BIO_printf(out, "Certificate %d\n", idx);
1303 capi_dump_cert(ctx, out, cert);
1307 CertCloseStore(hstore, 0);
1311 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1313 PCCERT_CONTEXT cert = NULL;
1316 switch(ctx->lookup_method)
1318 case CAPI_LU_SUBSTR:
1319 return CertFindCertificateInStore(hstore,
1320 X509_ASN_ENCODING, 0,
1321 CERT_FIND_SUBJECT_STR_A, id, NULL);
1325 cert = CertEnumCertificatesInStore(hstore, cert);
1328 fname = capi_cert_get_fname(ctx, cert);
1331 if (strcmp(fname, id))
1335 OPENSSL_free(fname);
1345 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1348 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1349 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1350 contname, provname, ptype);
1351 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0))
1353 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1354 capi_addlasterror();
1357 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1359 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1360 capi_addlasterror();
1361 CryptReleaseContext(key->hprov, 0);
1364 key->keyspec = keyspec;
1373 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1376 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1377 char *provname = NULL, *contname = NULL;
1378 pinfo = capi_get_prov_info(ctx, cert);
1381 provname = wide_to_asc(pinfo->pwszProvName);
1382 contname = wide_to_asc(pinfo->pwszContainerName);
1383 if (!provname || !contname)
1386 key = capi_get_key(ctx, contname, provname,
1387 pinfo->dwProvType, pinfo->dwKeySpec);
1391 OPENSSL_free(pinfo);
1393 OPENSSL_free(provname);
1395 OPENSSL_free(contname);
1399 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1401 PCCERT_CONTEXT cert;
1403 CAPI_KEY *key = NULL;
1404 switch (ctx->lookup_method)
1406 case CAPI_LU_SUBSTR:
1408 hstore = capi_open_store(ctx, NULL);
1411 cert = capi_find_cert(ctx, id, hstore);
1414 key = capi_get_cert_key(ctx, cert);
1415 CertFreeCertificateContext(cert);
1417 CertCloseStore(hstore, 0);
1420 case CAPI_LU_CONTNAME:
1421 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype,
1429 void capi_free_key(CAPI_KEY *key)
1433 CryptDestroyKey(key->key);
1434 CryptReleaseContext(key->hprov, 0);
1436 CertFreeCertificateContext(key->pcert);
1441 /* Initialize a CAPI_CTX structure */
1443 static CAPI_CTX *capi_ctx_new()
1446 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1449 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1452 ctx->cspname = NULL;
1453 ctx->csptype = PROV_RSA_FULL;
1454 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1455 ctx->keytype = AT_KEYEXCHANGE;
1456 ctx->storename = NULL;
1457 ctx->ssl_client_store = NULL;
1458 ctx->lookup_method = CAPI_LU_SUBSTR;
1459 ctx->debug_level = 0;
1460 ctx->debug_file = NULL;
1461 ctx->client_cert_select = cert_select_simple;
1465 static void capi_ctx_free(CAPI_CTX *ctx)
1467 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1471 OPENSSL_free(ctx->cspname);
1472 if (ctx->debug_file)
1473 OPENSSL_free(ctx->debug_file);
1475 OPENSSL_free(ctx->storename);
1476 if (ctx->ssl_client_store)
1477 OPENSSL_free(ctx->ssl_client_store);
1481 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1483 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1487 if (!CryptAcquireContext(&hprov, NULL, pname, type,
1488 CRYPT_VERIFYCONTEXT))
1490 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1491 capi_addlasterror();
1494 CryptReleaseContext(hprov, 0);
1496 ctx->cspname = BUF_strdup(pname);
1497 ctx->csptype = type;
1501 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1505 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1507 return capi_ctx_set_provname(ctx, pname, type, 0);
1510 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1514 /* Special case: empty list: match anything */
1515 if (sk_X509_NAME_num(ca_dn) <= 0)
1517 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++)
1519 nm = sk_X509_NAME_value(ca_dn, i);
1520 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1528 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1529 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
1530 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
1532 STACK_OF(X509) *certs = NULL;
1536 int i, client_cert_idx;
1538 PCCERT_CONTEXT cert = NULL, excert = NULL;
1541 ctx = ENGINE_get_ex_data(e, capi_idx);
1546 storename = ctx->ssl_client_store;
1550 hstore = capi_open_store(ctx, storename);
1553 /* Enumerate all certificates collect any matches */
1556 cert = CertEnumCertificatesInStore(hstore, cert);
1559 p = cert->pbCertEncoded;
1560 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1563 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1566 if (cert_issuer_match(ca_dn, x))
1568 key = capi_get_cert_key(ctx, cert);
1571 /* Match found: attach extra data to it so
1572 * we can retrieve the key later.
1574 excert = CertDuplicateCertificateContext(cert);
1575 key->pcert = excert;
1576 X509_set_ex_data(x, cert_capi_idx, key);
1579 certs = sk_X509_new_null();
1581 sk_X509_push(certs, x);
1589 CertFreeCertificateContext(cert);
1591 CertCloseStore(hstore, 0);
1597 /* Select the appropriate certificate */
1599 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1601 /* Set the selected certificate and free the rest */
1603 for(i = 0; i < sk_X509_num(certs); i++)
1605 x = sk_X509_value(certs, i);
1606 if (i == client_cert_idx)
1610 key = X509_get_ex_data(x, cert_capi_idx);
1616 sk_X509_free(certs);
1621 /* Setup key for selected certificate */
1623 key = X509_get_ex_data(*pcert, cert_capi_idx);
1624 *pkey = capi_get_pkey(e, key);
1625 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1632 /* Simple client cert selection function: always select first */
1634 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1639 #ifdef OPENSSL_CAPIENG_DIALOG
1641 /* More complex cert selection function, using standard function
1642 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1646 #include <cryptuiapi.h>
1648 #define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1649 #define dlg_prompt L"Select a certificate to use for authentication"
1650 #define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1651 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1653 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1657 PCCERT_CONTEXT cert;
1662 if (sk_X509_num(certs) == 1)
1664 ctx = ENGINE_get_ex_data(e, capi_idx);
1665 /* Create an in memory store of certificates */
1666 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1667 CERT_STORE_CREATE_NEW_FLAG, NULL);
1670 CAPIerr(CAPI_F_CLIENT_CERT_SELECT, CAPI_R_ERROR_CREATING_STORE);
1671 capi_addlasterror();
1674 /* Add all certificates to store */
1675 for(i = 0; i < sk_X509_num(certs); i++)
1677 x = sk_X509_value(certs, i);
1678 key = X509_get_ex_data(x, cert_capi_idx);
1680 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1681 CERT_STORE_ADD_NEW, NULL))
1683 CAPIerr(CAPI_F_CLIENT_CERT_SELECT, CAPI_R_ERROR_ADDING_CERT);
1684 capi_addlasterror();
1689 hwnd = GetActiveWindow();
1690 if (!hwnd && ctx->getconswindow)
1691 hwnd = ctx->getconswindow();
1692 /* Call dialog to select one */
1693 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1694 dlg_columns, 0, NULL);
1696 /* Find matching cert from list */
1699 for(i = 0; i < sk_X509_num(certs); i++)
1701 x = sk_X509_value(certs, i);
1702 key = X509_get_ex_data(x, cert_capi_idx);
1703 if (CertCompareCertificate(
1704 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
1706 key->pcert->pCertInfo))
1716 CertCloseStore(dstore, 0);