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/engine.h>
60 #include <openssl/rsa.h>
61 #include <openssl/bn.h>
62 #include <openssl/pem.h>
64 #ifdef OPENSSL_SYS_WIN32
65 #ifndef OPENSSL_NO_CAPIENG
68 #define _WIN32_WINNT 0x400
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 /* This structure contains CAPI ENGINE specific data:
113 * it contains various global options and affects how
114 * other functions behave.
117 #define CAPI_DBG_TRACE 2
118 #define CAPI_DBG_ERROR 1
123 /* Parameters to use for container lookup */
127 /* Certificate store name to use */
130 /* Lookup string meanings in load_private_key */
131 /* Substring of subject: uses "storename" */
132 #define CAPI_LU_SUBSTR 0
133 /* Friendly name: uses storename */
134 #define CAPI_LU_FNAME 1
135 /* Container name: uses cspname, keytype */
136 #define CAPI_LU_CONTNAME 2
138 /* Info to dump with dumpcerts option */
139 /* Issuer and serial name strings */
140 #define CAPI_DMP_SUMMARY 0x1
142 #define CAPI_DMP_FNAME 0x2
143 /* Full X509_print dump */
144 #define CAPI_DMP_FULL 0x4
145 /* Dump PEM format certificate */
146 #define CAPI_DMP_PEM 0x8
147 /* Dump pseudo key (if possible) */
148 #define CAPI_DMP_PSKEY 0x10
149 /* Dump key info (if possible) */
150 #define CAPI_DMP_PKEYINFO 0x20
156 static CAPI_CTX *capi_ctx_new();
157 static void capi_ctx_free(CAPI_CTX *ctx);
158 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
159 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
161 #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
162 #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
163 #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
164 #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
165 #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
166 #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
167 #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
168 #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
169 #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
170 #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
171 #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
172 #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
174 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
175 {CAPI_CMD_LIST_CERTS,
177 "List all certificates in store",
178 ENGINE_CMD_FLAG_NO_INPUT},
179 {CAPI_CMD_LOOKUP_CERT,
181 "Lookup and output certificates",
182 ENGINE_CMD_FLAG_STRING},
183 {CAPI_CMD_DEBUG_LEVEL,
185 "debug level (1=errors, 2=trace)",
186 ENGINE_CMD_FLAG_NUMERIC},
187 {CAPI_CMD_DEBUG_FILE,
189 "debugging filename)",
190 ENGINE_CMD_FLAG_STRING},
193 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
194 ENGINE_CMD_FLAG_NUMERIC},
198 ENGINE_CMD_FLAG_NO_INPUT},
199 {CAPI_CMD_SET_CSP_IDX,
202 ENGINE_CMD_FLAG_NUMERIC},
203 {CAPI_CMD_SET_CSP_NAME,
205 "Set CSP name, (default CSP used if not specified)",
206 ENGINE_CMD_FLAG_STRING},
207 {CAPI_CMD_SET_CSP_TYPE,
209 "Set CSP type, (default RSA_PROV_FULL)",
210 ENGINE_CMD_FLAG_NUMERIC},
211 {CAPI_CMD_LIST_CONTAINERS,
213 "list container names",
214 ENGINE_CMD_FLAG_NO_INPUT},
215 {CAPI_CMD_LIST_OPTIONS,
217 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
218 "32=private key info)",
219 ENGINE_CMD_FLAG_NUMERIC},
220 {CAPI_CMD_LOOKUP_METHOD,
222 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
223 ENGINE_CMD_FLAG_NUMERIC},
228 static int capi_idx = -1;
229 static int rsa_capi_idx = -1;
230 static int dsa_capi_idx = -1;
232 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
239 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
242 ctx = ENGINE_get_ex_data(e, capi_idx);
243 out = BIO_new_fp(stdout, BIO_NOCLOSE);
246 case CAPI_CMD_LIST_CSPS:
247 ret = capi_list_providers(ctx, out);
250 case CAPI_CMD_LIST_CERTS:
251 ret = capi_list_certs(ctx, out, NULL);
254 case CAPI_CMD_LOOKUP_CERT:
255 ret = capi_list_certs(ctx, out, p);
258 case CAPI_CMD_LIST_CONTAINERS:
259 ret = capi_list_containers(ctx, out);
262 case CAPI_CMD_DEBUG_LEVEL:
263 ctx->debug_level = (int)i;
264 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
267 case CAPI_CMD_DEBUG_FILE:
268 ctx->debug_file = BUF_strdup(p);
269 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
272 case CAPI_CMD_KEYTYPE:
274 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
277 case CAPI_CMD_SET_CSP_IDX:
278 ret = capi_ctx_set_provname_idx(ctx, i);
281 case CAPI_CMD_LIST_OPTIONS:
285 case CAPI_CMD_LOOKUP_METHOD:
288 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
291 ctx->lookup_method = i;
294 case CAPI_CMD_SET_CSP_NAME:
295 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
298 case CAPI_CMD_SET_CSP_TYPE:
303 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
312 static RSA_METHOD capi_rsa_method =
314 "CryptoAPI RSA method",
317 capi_rsa_priv_enc, /* priv_enc */
318 capi_rsa_priv_dec, /* priv_dec */
322 capi_rsa_free, /* finish */
323 RSA_FLAG_SIGN_VER, /* flags */
325 capi_rsa_sign, /* rsa_sign */
329 static DSA_METHOD capi_dsa_method =
331 "CryptoAPI DSA method",
332 capi_dsa_do_sign, /* dsa_do_sign */
333 0, /* dsa_sign_setup */
334 0, /* dsa_do_verify */
338 capi_dsa_free, /* finish */
341 0, /* dsa_paramgen */
345 static int capi_init(ENGINE *e)
348 const RSA_METHOD *ossl_rsa_meth;
349 const DSA_METHOD *ossl_dsa_meth;
350 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
352 ctx = capi_ctx_new();
353 if (!ctx || (capi_idx < 0))
356 ENGINE_set_ex_data(e, capi_idx, ctx);
357 /* Setup RSA_METHOD */
358 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
359 ossl_rsa_meth = RSA_PKCS1_SSLeay();
360 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
361 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
362 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
363 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
365 /* Setup DSA Method */
366 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
367 ossl_dsa_meth = DSA_OpenSSL();
368 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
369 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
370 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
375 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
381 static int capi_destroy(ENGINE *e)
384 ERR_unload_CAPI_strings();
388 static int capi_finish(ENGINE *e)
391 ctx = ENGINE_get_ex_data(e, capi_idx);
393 ENGINE_set_ex_data(e, capi_idx, NULL);
398 /* CryptoAPI key application data. This contains
399 * a handle to the private key container (for sign operations)
400 * and a handle to the key (for decrypt operations).
409 static int bind_capi(ENGINE *e)
411 if (!ENGINE_set_id(e, engine_capi_id)
412 || !ENGINE_set_name(e, engine_capi_name)
413 || !ENGINE_set_init_function(e, capi_init)
414 || !ENGINE_set_finish_function(e, capi_finish)
415 || !ENGINE_set_destroy_function(e, capi_destroy)
416 || !ENGINE_set_RSA(e, &capi_rsa_method)
417 || !ENGINE_set_DSA(e, &capi_dsa_method)
418 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
419 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
420 || !ENGINE_set_ctrl_function(e, capi_ctrl))
422 ERR_load_CAPI_strings();
428 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
429 static int bind_helper(ENGINE *e, const char *id)
431 if(id && (strcmp(id, engine_capi_id) != 0))
437 IMPLEMENT_DYNAMIC_CHECK_FN()
438 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
440 static ENGINE *engine_capi(void)
442 ENGINE *ret = ENGINE_new();
453 void ENGINE_load_capi(void)
455 /* Copied from eng_[openssl|dyn].c */
456 ENGINE *toadd = engine_capi();
465 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
468 /* Reverse buffer in place: since this is a keyblob structure
469 * that will be freed up after conversion anyway it doesn't
470 * matter if we change it.
472 for(i = 0; i < binlen / 2; i++)
476 bin[i] = bin[binlen - i - 1];
477 bin[binlen - i - 1] = c;
480 if (!BN_bin2bn(bin, binlen, bn))
485 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
486 UI_METHOD *ui_method, void *callback_data)
488 EVP_PKEY *ret = NULL;
491 unsigned char *pubkey = NULL;
496 ctx = ENGINE_get_ex_data(eng, capi_idx);
500 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
504 key = capi_find_key(ctx, key_id);
510 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
512 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
517 pubkey = OPENSSL_malloc(len);
522 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
524 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
529 bh = (BLOBHEADER *)pubkey;
530 if (bh->bType != PUBLICKEYBLOB)
532 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
535 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
539 unsigned char *rsa_modulus;
540 rp = (RSAPUBKEY *)(bh + 1);
541 if (rp->magic != 0x31415352)
544 BIO_snprintf(magstr, 10, "%lx", rp->magic);
545 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
546 ERR_add_error_data(2, "magic=0x", magstr);
549 rsa_modulus = (unsigned char *)(rp + 1);
550 rkey = RSA_new_method(eng);
557 if (!rkey->e || !rkey->n)
560 if (!BN_set_word(rkey->e, rp->pubexp))
563 rsa_modlen = rp->bitlen / 8;
564 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
567 RSA_set_ex_data(rkey, rsa_capi_idx, key);
569 if (!(ret = EVP_PKEY_new()))
572 EVP_PKEY_assign_RSA(ret, rkey);
576 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
581 dp = (DSSPUBKEY *)(bh + 1);
582 if (dp->magic != 0x31535344)
585 BIO_snprintf(magstr, 10, "%lx", dp->magic);
586 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
587 ERR_add_error_data(2, "magic=0x", magstr);
590 dsa_plen = dp->bitlen / 8;
591 btmp = (unsigned char *)(dp + 1);
592 dkey = DSA_new_method(eng);
598 dkey->pub_key = BN_new();
599 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
601 if (!lend_tobn(dkey->p, btmp, dsa_plen))
604 if (!lend_tobn(dkey->q, btmp, 20))
607 if (!lend_tobn(dkey->g, btmp, dsa_plen))
610 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
614 DSA_set_ex_data(dkey, dsa_capi_idx, key);
616 if (!(ret = EVP_PKEY_new()))
619 EVP_PKEY_assign_DSA(ret, dkey);
625 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
626 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
627 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
633 OPENSSL_free(pubkey);
647 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
652 /* CryptoAPI RSA operations */
654 int capi_rsa_priv_enc(int flen, const unsigned char *from,
655 unsigned char *to, RSA *rsa, int padding)
657 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
661 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
662 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
672 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
674 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
676 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
679 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
682 /* Convert the signature type to a CryptoAPI algorithm ID */
693 alg = CALG_SSL3_SHAMD5;
698 BIO_snprintf(algstr, 10, "%lx", dtype);
699 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
700 ERR_add_error_data(2, "NID=0x", algstr);
707 /* Create the hash object */
708 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
709 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
713 /* Set the hash value to the value passed */
715 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
716 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
722 /* Finally sign it */
723 slen = RSA_size(rsa);
724 if(!CryptSignHash(hash, AT_KEYEXCHANGE, NULL, 0, sigret, &slen)) {
725 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
730 /* Inplace byte reversal of signature */
731 for(i = 0; i < slen / 2; i++) {
734 sigret[i] = sigret[slen - i - 1];
735 sigret[slen - i - 1] = c;
744 CryptDestroyHash(hash);
749 int capi_rsa_priv_dec(int flen, const unsigned char *from,
750 unsigned char *to, RSA *rsa, int padding)
753 unsigned char *tmpbuf;
756 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
758 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
761 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
764 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
768 if(padding != RSA_PKCS1_PADDING)
771 BIO_snprintf(errstr, 10, "%d", padding);
772 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
773 ERR_add_error_data(2, "padding=", errstr);
777 /* Create temp reverse order version of input */
778 if(!(tmpbuf = OPENSSL_malloc(flen)) )
780 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
783 for(i = 0; i < flen; i++)
784 tmpbuf[flen - i - 1] = from[i];
786 /* Finally decrypt it */
787 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
789 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
791 OPENSSL_free(tmpbuf);
794 else memcpy(to, tmpbuf, flen);
796 OPENSSL_free(tmpbuf);
801 static int capi_rsa_free(RSA *rsa)
804 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
805 capi_free_key(capi_key);
806 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
810 /* CryptoAPI DSA operations */
812 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
820 unsigned char csigbuf[40];
822 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
824 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
826 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
830 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
836 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
840 /* Create the hash object */
841 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
842 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
847 /* Set the hash value to the value passed */
848 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
849 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
855 /* Finally sign it */
856 slen = sizeof(csigbuf);
857 if(!CryptSignHash(hash, AT_SIGNATURE, NULL, 0, csigbuf, &slen))
859 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
870 if (!ret->r || !ret->s)
872 if (!lend_tobn(ret->r, csigbuf, 20)
873 || !lend_tobn(ret->s, csigbuf + 20, 20))
884 OPENSSL_cleanse(csigbuf, 40);
885 CryptDestroyHash(hash);
889 static int capi_dsa_free(DSA *dsa)
892 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
893 capi_free_key(capi_key);
894 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
898 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
902 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
904 out = BIO_new_file(ctx->debug_file, "a+");
905 BIO_vprintf(out, format, argptr);
909 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
912 va_start(args, format);
913 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
917 static void capi_addlasterror(void)
919 capi_adderror(GetLastError());
922 static void capi_adderror(DWORD err)
925 BIO_snprintf(errstr, 10, "%lX", err);
926 ERR_add_error_data(2, "Error code= 0x", errstr);
929 static char *wide_to_asc(LPWSTR wstr)
934 str = OPENSSL_malloc(wcslen(wstr) + 1);
937 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
940 sprintf(str, "%S", wstr);
944 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
948 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
949 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
951 err = GetLastError();
952 if (err == ERROR_NO_MORE_ITEMS)
954 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
958 name = OPENSSL_malloc(len);
959 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
961 err = GetLastError();
962 if (err == ERROR_NO_MORE_ITEMS)
964 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
969 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
974 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
978 LPTSTR provname = NULL;
979 CAPI_trace(ctx, "capi_list_providers\n");
980 BIO_printf(out, "Available CSPs:\n");
981 for(idx = 0; ; idx++)
983 ret = capi_get_provname(ctx, &provname, &ptype, idx);
988 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
989 OPENSSL_free(provname);
994 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
998 DWORD err, idx, flags, buflen = 0, clen;
1000 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1001 if (!CryptAcquireContext(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1003 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1004 capi_addlasterror();
1007 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1009 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1010 capi_addlasterror();
1013 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1016 cname = OPENSSL_malloc(buflen);
1019 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1023 for (idx = 0;;idx++)
1029 flags = CRYPT_FIRST;
1032 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1034 err = GetLastError();
1035 if (err == ERROR_NO_MORE_ITEMS)
1037 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1041 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1042 if (!cname[0] && (clen == buflen))
1044 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1047 BIO_printf(out, "%d. %s\n", idx, cname);
1055 OPENSSL_free(cname);
1056 CryptReleaseContext(hprov, 0);
1061 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1064 CRYPT_KEY_PROV_INFO *pinfo;
1066 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1068 pinfo = OPENSSL_malloc(len);
1071 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1074 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1076 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1077 capi_addlasterror();
1078 OPENSSL_free(pinfo);
1084 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1086 char *provname = NULL, *contname = NULL;
1089 BIO_printf(out, " No Private Key\n");
1092 provname = wide_to_asc(pinfo->pwszProvName);
1093 contname = wide_to_asc(pinfo->pwszContainerName);
1094 if (!provname || !contname)
1097 BIO_printf(out, " Private Key Info:\n");
1098 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1099 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1102 OPENSSL_free(provname);
1104 OPENSSL_free(contname);
1107 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1112 CAPI_trace(ctx, "capi_cert_get_fname\n");
1113 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1115 wfname = OPENSSL_malloc(dlen);
1116 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1118 char *fname = wide_to_asc(wfname);
1119 OPENSSL_free(wfname);
1122 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1123 capi_addlasterror();
1125 OPENSSL_free(wfname);
1130 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1134 unsigned long flags = ctx->dump_flags;
1135 if (flags & CAPI_DMP_FNAME)
1138 fname = capi_cert_get_fname(ctx, cert);
1141 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1142 OPENSSL_free(fname);
1145 BIO_printf(out, " <No Friendly Name>\n");
1148 p = cert->pbCertEncoded;
1149 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1151 BIO_printf(out, " <Can't parse certificate>\n");
1152 if (flags & CAPI_DMP_SUMMARY)
1154 BIO_printf(out, " Subject: ");
1155 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1156 BIO_printf(out, "\n Issuer: ");
1157 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1158 BIO_printf(out, "\n");
1160 if (flags & CAPI_DMP_FULL)
1161 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1163 if (flags & CAPI_DMP_PKEYINFO)
1165 CRYPT_KEY_PROV_INFO *pinfo;
1166 pinfo = capi_get_prov_info(ctx, cert);
1167 capi_dump_prov_info(ctx, out, pinfo);
1169 OPENSSL_free(pinfo);
1172 if (flags & CAPI_DMP_PEM)
1173 PEM_write_bio_X509(out, x);
1177 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1182 storename = ctx->storename;
1185 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1187 hstore = CertOpenSystemStore(0, storename);
1190 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1191 capi_addlasterror();
1196 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1202 PCCERT_CONTEXT cert = NULL;
1204 storename = ctx->storename;
1207 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1209 hstore = capi_open_store(ctx, storename);
1214 cert = capi_find_cert(ctx, id, hstore);
1220 capi_dump_cert(ctx, out, cert);
1221 CertFreeCertificateContext(cert);
1227 LPWSTR fname = NULL;
1228 cert = CertEnumCertificatesInStore(hstore, cert);
1231 BIO_printf(out, "Certificate %d\n", idx);
1232 capi_dump_cert(ctx, out, cert);
1236 CertCloseStore(hstore, 0);
1240 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1242 PCCERT_CONTEXT cert = NULL;
1245 switch(ctx->lookup_method)
1247 case CAPI_LU_SUBSTR:
1248 return CertFindCertificateInStore(hstore, X509_ASN_ENCODING, 0,
1249 CERT_FIND_SUBJECT_STR_A, id, NULL);
1253 cert = CertEnumCertificatesInStore(hstore, cert);
1256 fname = capi_cert_get_fname(ctx, cert);
1259 if (strcmp(fname, id))
1263 OPENSSL_free(fname);
1273 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1276 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1277 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1278 contname, provname, ptype);
1279 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0))
1281 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1282 capi_addlasterror();
1285 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1287 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1288 capi_addlasterror();
1289 CryptReleaseContext(key->hprov, 0);
1299 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1302 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1303 char *provname = NULL, *contname = NULL;
1304 pinfo = capi_get_prov_info(ctx, cert);
1307 provname = wide_to_asc(pinfo->pwszProvName);
1308 contname = wide_to_asc(pinfo->pwszContainerName);
1309 if (!provname || !contname)
1312 key = capi_get_key(ctx, contname, provname, pinfo->dwProvType, pinfo->dwKeySpec);
1316 OPENSSL_free(pinfo);
1318 OPENSSL_free(provname);
1320 OPENSSL_free(contname);
1324 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1326 PCCERT_CONTEXT cert;
1328 CAPI_KEY *key = NULL;
1329 switch (ctx->lookup_method)
1331 case CAPI_LU_SUBSTR:
1333 hstore = capi_open_store(ctx, NULL);
1336 cert = capi_find_cert(ctx, id, hstore);
1339 key = capi_get_cert_key(ctx, cert);
1340 CertFreeCertificateContext(cert);
1342 CertCloseStore(hstore, 0);
1345 case CAPI_LU_CONTNAME:
1346 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, ctx->keytype);
1353 void capi_free_key(CAPI_KEY *key)
1357 CryptDestroyKey(key->key);
1358 CryptReleaseContext(key->hprov, 0);
1363 /* Initialize a CAPI_CTX structure */
1365 static CAPI_CTX *capi_ctx_new()
1368 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1371 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1374 ctx->cspname = NULL;
1375 ctx->csptype = PROV_RSA_FULL;
1376 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1377 ctx->keytype = AT_KEYEXCHANGE;
1378 ctx->storename = NULL;
1379 ctx->lookup_method = CAPI_LU_SUBSTR;
1380 ctx->debug_level = 0;
1381 ctx->debug_file = NULL;
1385 static void capi_ctx_free(CAPI_CTX *ctx)
1387 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1391 OPENSSL_free(ctx->cspname);
1392 if (ctx->debug_file)
1393 OPENSSL_free(ctx->debug_file);
1395 OPENSSL_free(ctx->storename);
1399 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1401 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1405 if (!CryptAcquireContext(&hprov, NULL, pname, type, CRYPT_VERIFYCONTEXT))
1407 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1408 capi_addlasterror();
1411 CryptReleaseContext(hprov, 0);
1413 ctx->cspname = BUF_strdup(pname);
1414 ctx->csptype = type;
1418 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1422 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1424 return capi_ctx_set_provname(ctx, pname, type, 0);