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;
144 /* System store flags */
147 /* Lookup string meanings in load_private_key */
148 /* Substring of subject: uses "storename" */
149 #define CAPI_LU_SUBSTR 0
150 /* Friendly name: uses storename */
151 #define CAPI_LU_FNAME 1
152 /* Container name: uses cspname, keytype */
153 #define CAPI_LU_CONTNAME 2
155 /* Info to dump with dumpcerts option */
156 /* Issuer and serial name strings */
157 #define CAPI_DMP_SUMMARY 0x1
159 #define CAPI_DMP_FNAME 0x2
160 /* Full X509_print dump */
161 #define CAPI_DMP_FULL 0x4
162 /* Dump PEM format certificate */
163 #define CAPI_DMP_PEM 0x8
164 /* Dump pseudo key (if possible) */
165 #define CAPI_DMP_PSKEY 0x10
166 /* Dump key info (if possible) */
167 #define CAPI_DMP_PKEYINFO 0x20
170 int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
172 CERTDLG certselectdlg;
173 GETCONSWIN getconswindow;
177 static CAPI_CTX *capi_ctx_new();
178 static void capi_ctx_free(CAPI_CTX *ctx);
179 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
180 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
182 #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
183 #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
184 #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
185 #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
186 #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
187 #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
188 #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
189 #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
190 #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
191 #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
192 #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
193 #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
194 #define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
195 #define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
197 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
198 {CAPI_CMD_LIST_CERTS,
200 "List all certificates in store",
201 ENGINE_CMD_FLAG_NO_INPUT},
202 {CAPI_CMD_LOOKUP_CERT,
204 "Lookup and output certificates",
205 ENGINE_CMD_FLAG_STRING},
206 {CAPI_CMD_DEBUG_LEVEL,
208 "debug level (1=errors, 2=trace)",
209 ENGINE_CMD_FLAG_NUMERIC},
210 {CAPI_CMD_DEBUG_FILE,
212 "debugging filename)",
213 ENGINE_CMD_FLAG_STRING},
216 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
217 ENGINE_CMD_FLAG_NUMERIC},
221 ENGINE_CMD_FLAG_NO_INPUT},
222 {CAPI_CMD_SET_CSP_IDX,
225 ENGINE_CMD_FLAG_NUMERIC},
226 {CAPI_CMD_SET_CSP_NAME,
228 "Set CSP name, (default CSP used if not specified)",
229 ENGINE_CMD_FLAG_STRING},
230 {CAPI_CMD_SET_CSP_TYPE,
232 "Set CSP type, (default RSA_PROV_FULL)",
233 ENGINE_CMD_FLAG_NUMERIC},
234 {CAPI_CMD_LIST_CONTAINERS,
236 "list container names",
237 ENGINE_CMD_FLAG_NO_INPUT},
238 {CAPI_CMD_LIST_OPTIONS,
240 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
241 "32=private key info)",
242 ENGINE_CMD_FLAG_NUMERIC},
243 {CAPI_CMD_LOOKUP_METHOD,
245 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
246 ENGINE_CMD_FLAG_NUMERIC},
247 {CAPI_CMD_STORE_NAME,
249 "certificate store name, default \"MY\"",
250 ENGINE_CMD_FLAG_STRING},
251 {CAPI_CMD_STORE_FLAGS,
253 "Certificate store flags: 1 = system store",
254 ENGINE_CMD_FLAG_NUMERIC},
259 static int capi_idx = -1;
260 static int rsa_capi_idx = -1;
261 static int dsa_capi_idx = -1;
262 static int cert_capi_idx = -1;
264 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
271 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
274 ctx = ENGINE_get_ex_data(e, capi_idx);
275 out = BIO_new_fp(stdout, BIO_NOCLOSE);
278 case CAPI_CMD_LIST_CSPS:
279 ret = capi_list_providers(ctx, out);
282 case CAPI_CMD_LIST_CERTS:
283 ret = capi_list_certs(ctx, out, NULL);
286 case CAPI_CMD_LOOKUP_CERT:
287 ret = capi_list_certs(ctx, out, p);
290 case CAPI_CMD_LIST_CONTAINERS:
291 ret = capi_list_containers(ctx, out);
294 case CAPI_CMD_STORE_NAME:
296 OPENSSL_free(ctx->storename);
297 ctx->storename = BUF_strdup(p);
298 CAPI_trace(ctx, "Setting store name to %s\n", p);
301 case CAPI_CMD_STORE_FLAGS:
304 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
305 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
309 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
310 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
312 CAPI_trace(ctx, "Setting flags to %d\n", i);
315 case CAPI_CMD_DEBUG_LEVEL:
316 ctx->debug_level = (int)i;
317 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
320 case CAPI_CMD_DEBUG_FILE:
321 ctx->debug_file = BUF_strdup(p);
322 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
325 case CAPI_CMD_KEYTYPE:
327 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
330 case CAPI_CMD_SET_CSP_IDX:
331 ret = capi_ctx_set_provname_idx(ctx, i);
334 case CAPI_CMD_LIST_OPTIONS:
338 case CAPI_CMD_LOOKUP_METHOD:
341 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
344 ctx->lookup_method = i;
347 case CAPI_CMD_SET_CSP_NAME:
348 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
351 case CAPI_CMD_SET_CSP_TYPE:
356 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
365 static RSA_METHOD capi_rsa_method =
367 "CryptoAPI RSA method",
370 capi_rsa_priv_enc, /* priv_enc */
371 capi_rsa_priv_dec, /* priv_dec */
375 capi_rsa_free, /* finish */
376 RSA_FLAG_SIGN_VER, /* flags */
378 capi_rsa_sign, /* rsa_sign */
382 static DSA_METHOD capi_dsa_method =
384 "CryptoAPI DSA method",
385 capi_dsa_do_sign, /* dsa_do_sign */
386 0, /* dsa_sign_setup */
387 0, /* dsa_do_verify */
391 capi_dsa_free, /* finish */
394 0, /* dsa_paramgen */
398 static int capi_init(ENGINE *e)
401 const RSA_METHOD *ossl_rsa_meth;
402 const DSA_METHOD *ossl_dsa_meth;
403 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
404 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
406 ctx = capi_ctx_new();
407 if (!ctx || (capi_idx < 0))
410 ENGINE_set_ex_data(e, capi_idx, ctx);
411 /* Setup RSA_METHOD */
412 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
413 ossl_rsa_meth = RSA_PKCS1_SSLeay();
414 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
415 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
416 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
417 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
419 /* Setup DSA Method */
420 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
421 ossl_dsa_meth = DSA_OpenSSL();
422 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
423 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
424 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
426 #ifdef OPENSSL_CAPIENG_DIALOG
428 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
429 HMODULE kernel = LoadLibrary(TEXT("KERNEL32.DLL"));
431 ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
433 ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
434 if (cryptui && !OPENSSL_isservice())
435 ctx->client_cert_select = cert_select_dialog;
443 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
449 static int capi_destroy(ENGINE *e)
451 ERR_unload_CAPI_strings();
455 static int capi_finish(ENGINE *e)
458 ctx = ENGINE_get_ex_data(e, capi_idx);
460 ENGINE_set_ex_data(e, capi_idx, NULL);
465 /* CryptoAPI key application data. This contains
466 * a handle to the private key container (for sign operations)
467 * and a handle to the key (for decrypt operations).
472 /* Associated certificate context (if any) */
473 PCCERT_CONTEXT pcert;
479 static int bind_capi(ENGINE *e)
481 if (!ENGINE_set_id(e, engine_capi_id)
482 || !ENGINE_set_name(e, engine_capi_name)
483 || !ENGINE_set_init_function(e, capi_init)
484 || !ENGINE_set_finish_function(e, capi_finish)
485 || !ENGINE_set_destroy_function(e, capi_destroy)
486 || !ENGINE_set_RSA(e, &capi_rsa_method)
487 || !ENGINE_set_DSA(e, &capi_dsa_method)
488 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
489 || !ENGINE_set_load_ssl_client_cert_function(e,
490 capi_load_ssl_client_cert)
491 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
492 || !ENGINE_set_ctrl_function(e, capi_ctrl))
494 ERR_load_CAPI_strings();
500 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
501 static int bind_helper(ENGINE *e, const char *id)
503 if(id && (strcmp(id, engine_capi_id) != 0))
509 IMPLEMENT_DYNAMIC_CHECK_FN()
510 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
512 static ENGINE *engine_capi(void)
514 ENGINE *ret = ENGINE_new();
525 void ENGINE_load_capi(void)
527 /* Copied from eng_[openssl|dyn].c */
528 ENGINE *toadd = engine_capi();
537 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
540 /* Reverse buffer in place: since this is a keyblob structure
541 * that will be freed up after conversion anyway it doesn't
542 * matter if we change it.
544 for(i = 0; i < binlen / 2; i++)
548 bin[i] = bin[binlen - i - 1];
549 bin[binlen - i - 1] = c;
552 if (!BN_bin2bn(bin, binlen, bn))
557 /* Given a CAPI_KEY get an EVP_PKEY structure */
559 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
561 unsigned char *pubkey = NULL;
566 EVP_PKEY *ret = NULL;
567 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
569 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
574 pubkey = OPENSSL_malloc(len);
579 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
581 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
586 bh = (BLOBHEADER *)pubkey;
587 if (bh->bType != PUBLICKEYBLOB)
589 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
592 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
596 unsigned char *rsa_modulus;
597 rp = (RSAPUBKEY *)(bh + 1);
598 if (rp->magic != 0x31415352)
601 BIO_snprintf(magstr, 10, "%lx", rp->magic);
602 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
603 ERR_add_error_data(2, "magic=0x", magstr);
606 rsa_modulus = (unsigned char *)(rp + 1);
607 rkey = RSA_new_method(eng);
614 if (!rkey->e || !rkey->n)
617 if (!BN_set_word(rkey->e, rp->pubexp))
620 rsa_modlen = rp->bitlen / 8;
621 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
624 RSA_set_ex_data(rkey, rsa_capi_idx, key);
626 if (!(ret = EVP_PKEY_new()))
629 EVP_PKEY_assign_RSA(ret, rkey);
633 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
638 dp = (DSSPUBKEY *)(bh + 1);
639 if (dp->magic != 0x31535344)
642 BIO_snprintf(magstr, 10, "%lx", dp->magic);
643 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
644 ERR_add_error_data(2, "magic=0x", magstr);
647 dsa_plen = dp->bitlen / 8;
648 btmp = (unsigned char *)(dp + 1);
649 dkey = DSA_new_method(eng);
655 dkey->pub_key = BN_new();
656 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
658 if (!lend_tobn(dkey->p, btmp, dsa_plen))
661 if (!lend_tobn(dkey->q, btmp, 20))
664 if (!lend_tobn(dkey->g, btmp, dsa_plen))
667 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
671 DSA_set_ex_data(dkey, dsa_capi_idx, key);
673 if (!(ret = EVP_PKEY_new()))
676 EVP_PKEY_assign_DSA(ret, dkey);
682 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
683 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
684 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
691 OPENSSL_free(pubkey);
703 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
708 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
709 UI_METHOD *ui_method, void *callback_data)
714 ctx = ENGINE_get_ex_data(eng, capi_idx);
718 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
722 key = capi_find_key(ctx, key_id);
727 ret = capi_get_pkey(eng, key);
735 /* CryptoAPI RSA operations */
737 int capi_rsa_priv_enc(int flen, const unsigned char *from,
738 unsigned char *to, RSA *rsa, int padding)
740 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
744 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
745 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
755 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
757 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
759 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
762 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
765 /* Convert the signature type to a CryptoAPI algorithm ID */
777 alg = CALG_SSL3_SHAMD5;
782 BIO_snprintf(algstr, 10, "%lx", dtype);
783 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
784 ERR_add_error_data(2, "NID=0x", algstr);
791 /* Create the hash object */
792 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
794 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
798 /* Set the hash value to the value passed */
800 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
802 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
808 /* Finally sign it */
809 slen = RSA_size(rsa);
810 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
812 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
819 /* Inplace byte reversal of signature */
820 for(i = 0; i < slen / 2; i++)
824 sigret[i] = sigret[slen - i - 1];
825 sigret[slen - i - 1] = c;
833 CryptDestroyHash(hash);
838 int capi_rsa_priv_dec(int flen, const unsigned char *from,
839 unsigned char *to, RSA *rsa, int padding)
842 unsigned char *tmpbuf;
845 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
847 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
850 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
853 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
857 if(padding != RSA_PKCS1_PADDING)
860 BIO_snprintf(errstr, 10, "%d", padding);
861 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
862 ERR_add_error_data(2, "padding=", errstr);
866 /* Create temp reverse order version of input */
867 if(!(tmpbuf = OPENSSL_malloc(flen)) )
869 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
872 for(i = 0; i < flen; i++)
873 tmpbuf[flen - i - 1] = from[i];
875 /* Finally decrypt it */
876 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
878 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
880 OPENSSL_free(tmpbuf);
883 else memcpy(to, tmpbuf, flen);
885 OPENSSL_free(tmpbuf);
890 static int capi_rsa_free(RSA *rsa)
893 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
894 capi_free_key(capi_key);
895 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
899 /* CryptoAPI DSA operations */
901 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
909 unsigned char csigbuf[40];
911 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
913 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
915 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
919 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
925 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
929 /* Create the hash object */
930 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
932 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
937 /* Set the hash value to the value passed */
938 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
940 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
946 /* Finally sign it */
947 slen = sizeof(csigbuf);
948 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
950 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
961 if (!ret->r || !ret->s)
963 if (!lend_tobn(ret->r, csigbuf, 20)
964 || !lend_tobn(ret->s, csigbuf + 20, 20))
975 OPENSSL_cleanse(csigbuf, 40);
976 CryptDestroyHash(hash);
980 static int capi_dsa_free(DSA *dsa)
983 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
984 capi_free_key(capi_key);
985 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
989 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
993 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
995 out = BIO_new_file(ctx->debug_file, "a+");
996 BIO_vprintf(out, format, argptr);
1000 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
1003 va_start(args, format);
1004 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1008 static void capi_addlasterror(void)
1010 capi_adderror(GetLastError());
1013 static void capi_adderror(DWORD err)
1016 BIO_snprintf(errstr, 10, "%lX", err);
1017 ERR_add_error_data(2, "Error code= 0x", errstr);
1020 static char *wide_to_asc(LPWSTR wstr)
1025 str = OPENSSL_malloc(wcslen(wstr) + 1);
1028 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1031 sprintf(str, "%S", wstr);
1035 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
1039 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1040 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
1042 err = GetLastError();
1043 if (err == ERROR_NO_MORE_ITEMS)
1045 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1049 name = OPENSSL_malloc(len);
1050 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
1052 err = GetLastError();
1053 if (err == ERROR_NO_MORE_ITEMS)
1055 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1060 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
1065 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
1069 LPTSTR provname = NULL;
1070 CAPI_trace(ctx, "capi_list_providers\n");
1071 BIO_printf(out, "Available CSPs:\n");
1072 for(idx = 0; ; idx++)
1074 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1079 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1080 OPENSSL_free(provname);
1085 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1089 DWORD err, idx, flags, buflen = 0, clen;
1091 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1092 if (!CryptAcquireContext(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1094 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1095 capi_addlasterror();
1098 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1100 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1101 capi_addlasterror();
1104 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1107 cname = OPENSSL_malloc(buflen);
1110 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1114 for (idx = 0;;idx++)
1120 flags = CRYPT_FIRST;
1123 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1125 err = GetLastError();
1126 if (err == ERROR_NO_MORE_ITEMS)
1128 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1132 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1133 if (!cname[0] && (clen == buflen))
1135 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1138 BIO_printf(out, "%d. %s\n", idx, cname);
1146 OPENSSL_free(cname);
1147 CryptReleaseContext(hprov, 0);
1152 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1155 CRYPT_KEY_PROV_INFO *pinfo;
1157 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1159 pinfo = OPENSSL_malloc(len);
1162 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1165 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1167 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1168 capi_addlasterror();
1169 OPENSSL_free(pinfo);
1175 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1177 char *provname = NULL, *contname = NULL;
1180 BIO_printf(out, " No Private Key\n");
1183 provname = wide_to_asc(pinfo->pwszProvName);
1184 contname = wide_to_asc(pinfo->pwszContainerName);
1185 if (!provname || !contname)
1188 BIO_printf(out, " Private Key Info:\n");
1189 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1190 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1193 OPENSSL_free(provname);
1195 OPENSSL_free(contname);
1198 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1203 CAPI_trace(ctx, "capi_cert_get_fname\n");
1204 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1206 wfname = OPENSSL_malloc(dlen);
1207 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1209 char *fname = wide_to_asc(wfname);
1210 OPENSSL_free(wfname);
1213 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1214 capi_addlasterror();
1216 OPENSSL_free(wfname);
1221 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1225 unsigned long flags = ctx->dump_flags;
1226 if (flags & CAPI_DMP_FNAME)
1229 fname = capi_cert_get_fname(ctx, cert);
1232 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1233 OPENSSL_free(fname);
1236 BIO_printf(out, " <No Friendly Name>\n");
1239 p = cert->pbCertEncoded;
1240 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1242 BIO_printf(out, " <Can't parse certificate>\n");
1243 if (flags & CAPI_DMP_SUMMARY)
1245 BIO_printf(out, " Subject: ");
1246 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1247 BIO_printf(out, "\n Issuer: ");
1248 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1249 BIO_printf(out, "\n");
1251 if (flags & CAPI_DMP_FULL)
1252 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1254 if (flags & CAPI_DMP_PKEYINFO)
1256 CRYPT_KEY_PROV_INFO *pinfo;
1257 pinfo = capi_get_prov_info(ctx, cert);
1258 capi_dump_prov_info(ctx, out, pinfo);
1260 OPENSSL_free(pinfo);
1263 if (flags & CAPI_DMP_PEM)
1264 PEM_write_bio_X509(out, x);
1268 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1273 storename = ctx->storename;
1276 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1278 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1279 ctx->store_flags, storename);
1282 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1283 capi_addlasterror();
1288 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1294 PCCERT_CONTEXT cert = NULL;
1296 storename = ctx->storename;
1299 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1301 hstore = capi_open_store(ctx, storename);
1306 cert = capi_find_cert(ctx, id, hstore);
1312 capi_dump_cert(ctx, out, cert);
1313 CertFreeCertificateContext(cert);
1319 LPWSTR fname = NULL;
1320 cert = CertEnumCertificatesInStore(hstore, cert);
1323 BIO_printf(out, "Certificate %d\n", idx);
1324 capi_dump_cert(ctx, out, cert);
1328 CertCloseStore(hstore, 0);
1332 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1334 PCCERT_CONTEXT cert = NULL;
1337 switch(ctx->lookup_method)
1339 case CAPI_LU_SUBSTR:
1340 return CertFindCertificateInStore(hstore,
1341 X509_ASN_ENCODING, 0,
1342 CERT_FIND_SUBJECT_STR_A, id, NULL);
1346 cert = CertEnumCertificatesInStore(hstore, cert);
1349 fname = capi_cert_get_fname(ctx, cert);
1352 if (strcmp(fname, id))
1356 OPENSSL_free(fname);
1366 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1369 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1370 contname, provname, ptype);
1371 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1372 contname, provname, ptype);
1373 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0))
1375 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1376 capi_addlasterror();
1379 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1381 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1382 capi_addlasterror();
1383 CryptReleaseContext(key->hprov, 0);
1386 key->keyspec = keyspec;
1395 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1397 CAPI_KEY *key = NULL;
1398 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1399 char *provname = NULL, *contname = NULL;
1400 pinfo = capi_get_prov_info(ctx, cert);
1403 provname = wide_to_asc(pinfo->pwszProvName);
1404 contname = wide_to_asc(pinfo->pwszContainerName);
1405 if (!provname || !contname)
1407 key = capi_get_key(ctx, contname, provname,
1408 pinfo->dwProvType, pinfo->dwKeySpec);
1412 OPENSSL_free(pinfo);
1414 OPENSSL_free(provname);
1416 OPENSSL_free(contname);
1420 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1422 PCCERT_CONTEXT cert;
1424 CAPI_KEY *key = NULL;
1425 switch (ctx->lookup_method)
1427 case CAPI_LU_SUBSTR:
1429 hstore = capi_open_store(ctx, NULL);
1432 cert = capi_find_cert(ctx, id, hstore);
1435 key = capi_get_cert_key(ctx, cert);
1436 CertFreeCertificateContext(cert);
1438 CertCloseStore(hstore, 0);
1441 case CAPI_LU_CONTNAME:
1442 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype,
1450 void capi_free_key(CAPI_KEY *key)
1454 CryptDestroyKey(key->key);
1455 CryptReleaseContext(key->hprov, 0);
1457 CertFreeCertificateContext(key->pcert);
1462 /* Initialize a CAPI_CTX structure */
1464 static CAPI_CTX *capi_ctx_new()
1467 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1470 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1473 ctx->cspname = NULL;
1474 ctx->csptype = PROV_RSA_FULL;
1475 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1476 ctx->keytype = AT_KEYEXCHANGE;
1477 ctx->storename = NULL;
1478 ctx->ssl_client_store = NULL;
1479 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1480 CERT_STORE_READONLY_FLAG |
1481 CERT_SYSTEM_STORE_CURRENT_USER;
1482 ctx->lookup_method = CAPI_LU_SUBSTR;
1483 ctx->debug_level = 0;
1484 ctx->debug_file = NULL;
1485 ctx->client_cert_select = cert_select_simple;
1489 static void capi_ctx_free(CAPI_CTX *ctx)
1491 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1495 OPENSSL_free(ctx->cspname);
1496 if (ctx->debug_file)
1497 OPENSSL_free(ctx->debug_file);
1499 OPENSSL_free(ctx->storename);
1500 if (ctx->ssl_client_store)
1501 OPENSSL_free(ctx->ssl_client_store);
1505 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1507 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1511 if (!CryptAcquireContext(&hprov, NULL, pname, type,
1512 CRYPT_VERIFYCONTEXT))
1514 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1515 capi_addlasterror();
1518 CryptReleaseContext(hprov, 0);
1520 ctx->cspname = BUF_strdup(pname);
1521 ctx->csptype = type;
1525 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1529 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1531 return capi_ctx_set_provname(ctx, pname, type, 0);
1534 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1538 /* Special case: empty list: match anything */
1539 if (sk_X509_NAME_num(ca_dn) <= 0)
1541 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++)
1543 nm = sk_X509_NAME_value(ca_dn, i);
1544 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1552 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1553 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
1554 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
1556 STACK_OF(X509) *certs = NULL;
1560 int i, client_cert_idx;
1562 PCCERT_CONTEXT cert = NULL, excert = NULL;
1565 ctx = ENGINE_get_ex_data(e, capi_idx);
1570 storename = ctx->ssl_client_store;
1574 hstore = capi_open_store(ctx, storename);
1577 /* Enumerate all certificates collect any matches */
1580 cert = CertEnumCertificatesInStore(hstore, cert);
1583 p = cert->pbCertEncoded;
1584 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1587 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1590 if (cert_issuer_match(ca_dn, x))
1592 key = capi_get_cert_key(ctx, cert);
1595 /* Match found: attach extra data to it so
1596 * we can retrieve the key later.
1598 excert = CertDuplicateCertificateContext(cert);
1599 key->pcert = excert;
1600 X509_set_ex_data(x, cert_capi_idx, key);
1603 certs = sk_X509_new_null();
1605 sk_X509_push(certs, x);
1613 CertFreeCertificateContext(cert);
1615 CertCloseStore(hstore, 0);
1621 /* Select the appropriate certificate */
1623 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1625 /* Set the selected certificate and free the rest */
1627 for(i = 0; i < sk_X509_num(certs); i++)
1629 x = sk_X509_value(certs, i);
1630 if (i == client_cert_idx)
1634 key = X509_get_ex_data(x, cert_capi_idx);
1640 sk_X509_free(certs);
1645 /* Setup key for selected certificate */
1647 key = X509_get_ex_data(*pcert, cert_capi_idx);
1648 *pkey = capi_get_pkey(e, key);
1649 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1656 /* Simple client cert selection function: always select first */
1658 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1663 #ifdef OPENSSL_CAPIENG_DIALOG
1665 /* More complex cert selection function, using standard function
1666 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1670 #include <cryptuiapi.h>
1672 #define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1673 #define dlg_prompt L"Select a certificate to use for authentication"
1674 #define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1675 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1677 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1681 PCCERT_CONTEXT cert;
1686 if (sk_X509_num(certs) == 1)
1688 ctx = ENGINE_get_ex_data(e, capi_idx);
1689 /* Create an in memory store of certificates */
1690 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1691 CERT_STORE_CREATE_NEW_FLAG, NULL);
1694 CAPIerr(CAPI_F_CLIENT_CERT_SELECT, CAPI_R_ERROR_CREATING_STORE);
1695 capi_addlasterror();
1698 /* Add all certificates to store */
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);
1704 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1705 CERT_STORE_ADD_NEW, NULL))
1707 CAPIerr(CAPI_F_CLIENT_CERT_SELECT, CAPI_R_ERROR_ADDING_CERT);
1708 capi_addlasterror();
1713 hwnd = GetActiveWindow();
1714 if (!hwnd && ctx->getconswindow)
1715 hwnd = ctx->getconswindow();
1716 /* Call dialog to select one */
1717 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1718 dlg_columns, 0, NULL);
1720 /* Find matching cert from list */
1723 for(i = 0; i < sk_X509_num(certs); i++)
1725 x = sk_X509_value(certs, i);
1726 key = X509_get_ex_data(x, cert_capi_idx);
1727 if (CertCompareCertificate(
1728 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
1730 key->pcert->pCertInfo))
1740 CertCloseStore(dstore, 0);