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)
173 #define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
175 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
176 {CAPI_CMD_LIST_CERTS,
178 "List all certificates in store",
179 ENGINE_CMD_FLAG_NO_INPUT},
180 {CAPI_CMD_LOOKUP_CERT,
182 "Lookup and output certificates",
183 ENGINE_CMD_FLAG_STRING},
184 {CAPI_CMD_DEBUG_LEVEL,
186 "debug level (1=errors, 2=trace)",
187 ENGINE_CMD_FLAG_NUMERIC},
188 {CAPI_CMD_DEBUG_FILE,
190 "debugging filename)",
191 ENGINE_CMD_FLAG_STRING},
194 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
195 ENGINE_CMD_FLAG_NUMERIC},
199 ENGINE_CMD_FLAG_NO_INPUT},
200 {CAPI_CMD_SET_CSP_IDX,
203 ENGINE_CMD_FLAG_NUMERIC},
204 {CAPI_CMD_SET_CSP_NAME,
206 "Set CSP name, (default CSP used if not specified)",
207 ENGINE_CMD_FLAG_STRING},
208 {CAPI_CMD_SET_CSP_TYPE,
210 "Set CSP type, (default RSA_PROV_FULL)",
211 ENGINE_CMD_FLAG_NUMERIC},
212 {CAPI_CMD_LIST_CONTAINERS,
214 "list container names",
215 ENGINE_CMD_FLAG_NO_INPUT},
216 {CAPI_CMD_LIST_OPTIONS,
218 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
219 "32=private key info)",
220 ENGINE_CMD_FLAG_NUMERIC},
221 {CAPI_CMD_LOOKUP_METHOD,
223 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
224 ENGINE_CMD_FLAG_NUMERIC},
225 {CAPI_CMD_STORE_NAME,
227 "certificate store name, default \"MY\"",
228 ENGINE_CMD_FLAG_STRING},
233 static int capi_idx = -1;
234 static int rsa_capi_idx = -1;
235 static int dsa_capi_idx = -1;
237 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
244 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
247 ctx = ENGINE_get_ex_data(e, capi_idx);
248 out = BIO_new_fp(stdout, BIO_NOCLOSE);
251 case CAPI_CMD_LIST_CSPS:
252 ret = capi_list_providers(ctx, out);
255 case CAPI_CMD_LIST_CERTS:
256 ret = capi_list_certs(ctx, out, NULL);
259 case CAPI_CMD_LOOKUP_CERT:
260 ret = capi_list_certs(ctx, out, p);
263 case CAPI_CMD_LIST_CONTAINERS:
264 ret = capi_list_containers(ctx, out);
267 case CAPI_CMD_STORE_NAME:
269 OPENSSL_free(ctx->storename);
270 ctx->storename = BUF_strdup(p);
271 CAPI_trace(ctx, "Setting store name to %s\n", p);
274 case CAPI_CMD_DEBUG_LEVEL:
275 ctx->debug_level = (int)i;
276 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
279 case CAPI_CMD_DEBUG_FILE:
280 ctx->debug_file = BUF_strdup(p);
281 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
284 case CAPI_CMD_KEYTYPE:
286 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
289 case CAPI_CMD_SET_CSP_IDX:
290 ret = capi_ctx_set_provname_idx(ctx, i);
293 case CAPI_CMD_LIST_OPTIONS:
297 case CAPI_CMD_LOOKUP_METHOD:
300 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
303 ctx->lookup_method = i;
306 case CAPI_CMD_SET_CSP_NAME:
307 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
310 case CAPI_CMD_SET_CSP_TYPE:
315 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
324 static RSA_METHOD capi_rsa_method =
326 "CryptoAPI RSA method",
329 capi_rsa_priv_enc, /* priv_enc */
330 capi_rsa_priv_dec, /* priv_dec */
334 capi_rsa_free, /* finish */
335 RSA_FLAG_SIGN_VER, /* flags */
337 capi_rsa_sign, /* rsa_sign */
341 static DSA_METHOD capi_dsa_method =
343 "CryptoAPI DSA method",
344 capi_dsa_do_sign, /* dsa_do_sign */
345 0, /* dsa_sign_setup */
346 0, /* dsa_do_verify */
350 capi_dsa_free, /* finish */
353 0, /* dsa_paramgen */
357 static int capi_init(ENGINE *e)
360 const RSA_METHOD *ossl_rsa_meth;
361 const DSA_METHOD *ossl_dsa_meth;
362 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
364 ctx = capi_ctx_new();
365 if (!ctx || (capi_idx < 0))
368 ENGINE_set_ex_data(e, capi_idx, ctx);
369 /* Setup RSA_METHOD */
370 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
371 ossl_rsa_meth = RSA_PKCS1_SSLeay();
372 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
373 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
374 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
375 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
377 /* Setup DSA Method */
378 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
379 ossl_dsa_meth = DSA_OpenSSL();
380 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
381 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
382 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
387 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
393 static int capi_destroy(ENGINE *e)
396 ERR_unload_CAPI_strings();
400 static int capi_finish(ENGINE *e)
403 ctx = ENGINE_get_ex_data(e, capi_idx);
405 ENGINE_set_ex_data(e, capi_idx, NULL);
410 /* CryptoAPI key application data. This contains
411 * a handle to the private key container (for sign operations)
412 * and a handle to the key (for decrypt operations).
422 static int bind_capi(ENGINE *e)
424 if (!ENGINE_set_id(e, engine_capi_id)
425 || !ENGINE_set_name(e, engine_capi_name)
426 || !ENGINE_set_init_function(e, capi_init)
427 || !ENGINE_set_finish_function(e, capi_finish)
428 || !ENGINE_set_destroy_function(e, capi_destroy)
429 || !ENGINE_set_RSA(e, &capi_rsa_method)
430 || !ENGINE_set_DSA(e, &capi_dsa_method)
431 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
432 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
433 || !ENGINE_set_ctrl_function(e, capi_ctrl))
435 ERR_load_CAPI_strings();
441 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
442 static int bind_helper(ENGINE *e, const char *id)
444 if(id && (strcmp(id, engine_capi_id) != 0))
450 IMPLEMENT_DYNAMIC_CHECK_FN()
451 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
453 static ENGINE *engine_capi(void)
455 ENGINE *ret = ENGINE_new();
466 void ENGINE_load_capi(void)
468 /* Copied from eng_[openssl|dyn].c */
469 ENGINE *toadd = engine_capi();
478 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
481 /* Reverse buffer in place: since this is a keyblob structure
482 * that will be freed up after conversion anyway it doesn't
483 * matter if we change it.
485 for(i = 0; i < binlen / 2; i++)
489 bin[i] = bin[binlen - i - 1];
490 bin[binlen - i - 1] = c;
493 if (!BN_bin2bn(bin, binlen, bn))
498 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
499 UI_METHOD *ui_method, void *callback_data)
501 EVP_PKEY *ret = NULL;
504 unsigned char *pubkey = NULL;
509 ctx = ENGINE_get_ex_data(eng, capi_idx);
513 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
517 key = capi_find_key(ctx, key_id);
523 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
525 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
530 pubkey = OPENSSL_malloc(len);
535 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
537 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
542 bh = (BLOBHEADER *)pubkey;
543 if (bh->bType != PUBLICKEYBLOB)
545 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
548 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
552 unsigned char *rsa_modulus;
553 rp = (RSAPUBKEY *)(bh + 1);
554 if (rp->magic != 0x31415352)
557 BIO_snprintf(magstr, 10, "%lx", rp->magic);
558 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
559 ERR_add_error_data(2, "magic=0x", magstr);
562 rsa_modulus = (unsigned char *)(rp + 1);
563 rkey = RSA_new_method(eng);
570 if (!rkey->e || !rkey->n)
573 if (!BN_set_word(rkey->e, rp->pubexp))
576 rsa_modlen = rp->bitlen / 8;
577 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
580 RSA_set_ex_data(rkey, rsa_capi_idx, key);
582 if (!(ret = EVP_PKEY_new()))
585 EVP_PKEY_assign_RSA(ret, rkey);
589 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
594 dp = (DSSPUBKEY *)(bh + 1);
595 if (dp->magic != 0x31535344)
598 BIO_snprintf(magstr, 10, "%lx", dp->magic);
599 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
600 ERR_add_error_data(2, "magic=0x", magstr);
603 dsa_plen = dp->bitlen / 8;
604 btmp = (unsigned char *)(dp + 1);
605 dkey = DSA_new_method(eng);
611 dkey->pub_key = BN_new();
612 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
614 if (!lend_tobn(dkey->p, btmp, dsa_plen))
617 if (!lend_tobn(dkey->q, btmp, 20))
620 if (!lend_tobn(dkey->g, btmp, dsa_plen))
623 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
627 DSA_set_ex_data(dkey, dsa_capi_idx, key);
629 if (!(ret = EVP_PKEY_new()))
632 EVP_PKEY_assign_DSA(ret, dkey);
638 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
639 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
640 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
646 OPENSSL_free(pubkey);
660 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
665 /* CryptoAPI RSA operations */
667 int capi_rsa_priv_enc(int flen, const unsigned char *from,
668 unsigned char *to, RSA *rsa, int padding)
670 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
674 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
675 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
685 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
687 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
689 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
692 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
695 /* Convert the signature type to a CryptoAPI algorithm ID */
706 alg = CALG_SSL3_SHAMD5;
711 BIO_snprintf(algstr, 10, "%lx", dtype);
712 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
713 ERR_add_error_data(2, "NID=0x", algstr);
720 /* Create the hash object */
721 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
722 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
726 /* Set the hash value to the value passed */
728 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
729 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
735 /* Finally sign it */
736 slen = RSA_size(rsa);
737 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
738 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
743 /* Inplace byte reversal of signature */
744 for(i = 0; i < slen / 2; i++) {
747 sigret[i] = sigret[slen - i - 1];
748 sigret[slen - i - 1] = c;
757 CryptDestroyHash(hash);
762 int capi_rsa_priv_dec(int flen, const unsigned char *from,
763 unsigned char *to, RSA *rsa, int padding)
766 unsigned char *tmpbuf;
769 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
771 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
774 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
777 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
781 if(padding != RSA_PKCS1_PADDING)
784 BIO_snprintf(errstr, 10, "%d", padding);
785 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
786 ERR_add_error_data(2, "padding=", errstr);
790 /* Create temp reverse order version of input */
791 if(!(tmpbuf = OPENSSL_malloc(flen)) )
793 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
796 for(i = 0; i < flen; i++)
797 tmpbuf[flen - i - 1] = from[i];
799 /* Finally decrypt it */
800 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
802 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
804 OPENSSL_free(tmpbuf);
807 else memcpy(to, tmpbuf, flen);
809 OPENSSL_free(tmpbuf);
814 static int capi_rsa_free(RSA *rsa)
817 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
818 capi_free_key(capi_key);
819 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
823 /* CryptoAPI DSA operations */
825 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
833 unsigned char csigbuf[40];
835 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
837 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
839 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
843 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
849 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
853 /* Create the hash object */
854 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
855 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
860 /* Set the hash value to the value passed */
861 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
862 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
868 /* Finally sign it */
869 slen = sizeof(csigbuf);
870 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
872 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
883 if (!ret->r || !ret->s)
885 if (!lend_tobn(ret->r, csigbuf, 20)
886 || !lend_tobn(ret->s, csigbuf + 20, 20))
897 OPENSSL_cleanse(csigbuf, 40);
898 CryptDestroyHash(hash);
902 static int capi_dsa_free(DSA *dsa)
905 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
906 capi_free_key(capi_key);
907 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
911 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
915 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
917 out = BIO_new_file(ctx->debug_file, "a+");
918 BIO_vprintf(out, format, argptr);
922 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
925 va_start(args, format);
926 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
930 static void capi_addlasterror(void)
932 capi_adderror(GetLastError());
935 static void capi_adderror(DWORD err)
938 BIO_snprintf(errstr, 10, "%lX", err);
939 ERR_add_error_data(2, "Error code= 0x", errstr);
942 static char *wide_to_asc(LPWSTR wstr)
947 str = OPENSSL_malloc(wcslen(wstr) + 1);
950 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
953 sprintf(str, "%S", wstr);
957 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
961 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
962 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
964 err = GetLastError();
965 if (err == ERROR_NO_MORE_ITEMS)
967 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
971 name = OPENSSL_malloc(len);
972 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
974 err = GetLastError();
975 if (err == ERROR_NO_MORE_ITEMS)
977 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
982 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
987 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
991 LPTSTR provname = NULL;
992 CAPI_trace(ctx, "capi_list_providers\n");
993 BIO_printf(out, "Available CSPs:\n");
994 for(idx = 0; ; idx++)
996 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1001 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1002 OPENSSL_free(provname);
1007 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1011 DWORD err, idx, flags, buflen = 0, clen;
1013 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1014 if (!CryptAcquireContext(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1016 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1017 capi_addlasterror();
1020 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1022 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1023 capi_addlasterror();
1026 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1029 cname = OPENSSL_malloc(buflen);
1032 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1036 for (idx = 0;;idx++)
1042 flags = CRYPT_FIRST;
1045 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1047 err = GetLastError();
1048 if (err == ERROR_NO_MORE_ITEMS)
1050 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1054 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1055 if (!cname[0] && (clen == buflen))
1057 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1060 BIO_printf(out, "%d. %s\n", idx, cname);
1068 OPENSSL_free(cname);
1069 CryptReleaseContext(hprov, 0);
1074 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1077 CRYPT_KEY_PROV_INFO *pinfo;
1079 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1081 pinfo = OPENSSL_malloc(len);
1084 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1087 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1089 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1090 capi_addlasterror();
1091 OPENSSL_free(pinfo);
1097 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1099 char *provname = NULL, *contname = NULL;
1102 BIO_printf(out, " No Private Key\n");
1105 provname = wide_to_asc(pinfo->pwszProvName);
1106 contname = wide_to_asc(pinfo->pwszContainerName);
1107 if (!provname || !contname)
1110 BIO_printf(out, " Private Key Info:\n");
1111 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1112 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1115 OPENSSL_free(provname);
1117 OPENSSL_free(contname);
1120 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1125 CAPI_trace(ctx, "capi_cert_get_fname\n");
1126 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1128 wfname = OPENSSL_malloc(dlen);
1129 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1131 char *fname = wide_to_asc(wfname);
1132 OPENSSL_free(wfname);
1135 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1136 capi_addlasterror();
1138 OPENSSL_free(wfname);
1143 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1147 unsigned long flags = ctx->dump_flags;
1148 if (flags & CAPI_DMP_FNAME)
1151 fname = capi_cert_get_fname(ctx, cert);
1154 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1155 OPENSSL_free(fname);
1158 BIO_printf(out, " <No Friendly Name>\n");
1161 p = cert->pbCertEncoded;
1162 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1164 BIO_printf(out, " <Can't parse certificate>\n");
1165 if (flags & CAPI_DMP_SUMMARY)
1167 BIO_printf(out, " Subject: ");
1168 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1169 BIO_printf(out, "\n Issuer: ");
1170 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1171 BIO_printf(out, "\n");
1173 if (flags & CAPI_DMP_FULL)
1174 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1176 if (flags & CAPI_DMP_PKEYINFO)
1178 CRYPT_KEY_PROV_INFO *pinfo;
1179 pinfo = capi_get_prov_info(ctx, cert);
1180 capi_dump_prov_info(ctx, out, pinfo);
1182 OPENSSL_free(pinfo);
1185 if (flags & CAPI_DMP_PEM)
1186 PEM_write_bio_X509(out, x);
1190 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1195 storename = ctx->storename;
1198 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1200 hstore = CertOpenSystemStore(0, storename);
1203 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1204 capi_addlasterror();
1209 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1215 PCCERT_CONTEXT cert = NULL;
1217 storename = ctx->storename;
1220 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1222 hstore = capi_open_store(ctx, storename);
1227 cert = capi_find_cert(ctx, id, hstore);
1233 capi_dump_cert(ctx, out, cert);
1234 CertFreeCertificateContext(cert);
1240 LPWSTR fname = NULL;
1241 cert = CertEnumCertificatesInStore(hstore, cert);
1244 BIO_printf(out, "Certificate %d\n", idx);
1245 capi_dump_cert(ctx, out, cert);
1249 CertCloseStore(hstore, 0);
1253 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1255 PCCERT_CONTEXT cert = NULL;
1258 switch(ctx->lookup_method)
1260 case CAPI_LU_SUBSTR:
1261 return CertFindCertificateInStore(hstore, X509_ASN_ENCODING, 0,
1262 CERT_FIND_SUBJECT_STR_A, id, NULL);
1266 cert = CertEnumCertificatesInStore(hstore, cert);
1269 fname = capi_cert_get_fname(ctx, cert);
1272 if (strcmp(fname, id))
1276 OPENSSL_free(fname);
1286 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1289 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1290 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1291 contname, provname, ptype);
1292 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0))
1294 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1295 capi_addlasterror();
1298 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1300 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1301 capi_addlasterror();
1302 CryptReleaseContext(key->hprov, 0);
1305 key->keyspec = keyspec;
1313 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1316 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1317 char *provname = NULL, *contname = NULL;
1318 pinfo = capi_get_prov_info(ctx, cert);
1321 provname = wide_to_asc(pinfo->pwszProvName);
1322 contname = wide_to_asc(pinfo->pwszContainerName);
1323 if (!provname || !contname)
1326 key = capi_get_key(ctx, contname, provname, pinfo->dwProvType, pinfo->dwKeySpec);
1330 OPENSSL_free(pinfo);
1332 OPENSSL_free(provname);
1334 OPENSSL_free(contname);
1338 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1340 PCCERT_CONTEXT cert;
1342 CAPI_KEY *key = NULL;
1343 switch (ctx->lookup_method)
1345 case CAPI_LU_SUBSTR:
1347 hstore = capi_open_store(ctx, NULL);
1350 cert = capi_find_cert(ctx, id, hstore);
1353 key = capi_get_cert_key(ctx, cert);
1354 CertFreeCertificateContext(cert);
1356 CertCloseStore(hstore, 0);
1359 case CAPI_LU_CONTNAME:
1360 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, ctx->keytype);
1367 void capi_free_key(CAPI_KEY *key)
1371 CryptDestroyKey(key->key);
1372 CryptReleaseContext(key->hprov, 0);
1377 /* Initialize a CAPI_CTX structure */
1379 static CAPI_CTX *capi_ctx_new()
1382 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1385 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1388 ctx->cspname = NULL;
1389 ctx->csptype = PROV_RSA_FULL;
1390 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1391 ctx->keytype = AT_KEYEXCHANGE;
1392 ctx->storename = NULL;
1393 ctx->lookup_method = CAPI_LU_SUBSTR;
1394 ctx->debug_level = 0;
1395 ctx->debug_file = NULL;
1399 static void capi_ctx_free(CAPI_CTX *ctx)
1401 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1405 OPENSSL_free(ctx->cspname);
1406 if (ctx->debug_file)
1407 OPENSSL_free(ctx->debug_file);
1409 OPENSSL_free(ctx->storename);
1413 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1415 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1419 if (!CryptAcquireContext(&hprov, NULL, pname, type, CRYPT_VERIFYCONTEXT))
1421 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1422 capi_addlasterror();
1425 CryptReleaseContext(hprov, 0);
1427 ctx->cspname = BUF_strdup(pname);
1428 ctx->csptype = type;
1432 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1436 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1438 return capi_ctx_set_provname(ctx, pname, type, 0);