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:
268 ctx->storename = BUF_strdup(p);
269 CAPI_trace(ctx, "Setting store name to %s\n", p);
272 case CAPI_CMD_DEBUG_LEVEL:
273 ctx->debug_level = (int)i;
274 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
277 case CAPI_CMD_DEBUG_FILE:
278 ctx->debug_file = BUF_strdup(p);
279 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
282 case CAPI_CMD_KEYTYPE:
284 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
287 case CAPI_CMD_SET_CSP_IDX:
288 ret = capi_ctx_set_provname_idx(ctx, i);
291 case CAPI_CMD_LIST_OPTIONS:
295 case CAPI_CMD_LOOKUP_METHOD:
298 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
301 ctx->lookup_method = i;
304 case CAPI_CMD_SET_CSP_NAME:
305 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
308 case CAPI_CMD_SET_CSP_TYPE:
313 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
322 static RSA_METHOD capi_rsa_method =
324 "CryptoAPI RSA method",
327 capi_rsa_priv_enc, /* priv_enc */
328 capi_rsa_priv_dec, /* priv_dec */
332 capi_rsa_free, /* finish */
333 RSA_FLAG_SIGN_VER, /* flags */
335 capi_rsa_sign, /* rsa_sign */
339 static DSA_METHOD capi_dsa_method =
341 "CryptoAPI DSA method",
342 capi_dsa_do_sign, /* dsa_do_sign */
343 0, /* dsa_sign_setup */
344 0, /* dsa_do_verify */
348 capi_dsa_free, /* finish */
351 0, /* dsa_paramgen */
355 static int capi_init(ENGINE *e)
358 const RSA_METHOD *ossl_rsa_meth;
359 const DSA_METHOD *ossl_dsa_meth;
360 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
362 ctx = capi_ctx_new();
363 if (!ctx || (capi_idx < 0))
366 ENGINE_set_ex_data(e, capi_idx, ctx);
367 /* Setup RSA_METHOD */
368 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
369 ossl_rsa_meth = RSA_PKCS1_SSLeay();
370 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
371 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
372 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
373 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
375 /* Setup DSA Method */
376 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
377 ossl_dsa_meth = DSA_OpenSSL();
378 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
379 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
380 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
385 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
391 static int capi_destroy(ENGINE *e)
394 ERR_unload_CAPI_strings();
398 static int capi_finish(ENGINE *e)
401 ctx = ENGINE_get_ex_data(e, capi_idx);
403 ENGINE_set_ex_data(e, capi_idx, NULL);
408 /* CryptoAPI key application data. This contains
409 * a handle to the private key container (for sign operations)
410 * and a handle to the key (for decrypt operations).
420 static int bind_capi(ENGINE *e)
422 if (!ENGINE_set_id(e, engine_capi_id)
423 || !ENGINE_set_name(e, engine_capi_name)
424 || !ENGINE_set_init_function(e, capi_init)
425 || !ENGINE_set_finish_function(e, capi_finish)
426 || !ENGINE_set_destroy_function(e, capi_destroy)
427 || !ENGINE_set_RSA(e, &capi_rsa_method)
428 || !ENGINE_set_DSA(e, &capi_dsa_method)
429 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
430 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
431 || !ENGINE_set_ctrl_function(e, capi_ctrl))
433 ERR_load_CAPI_strings();
439 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
440 static int bind_helper(ENGINE *e, const char *id)
442 if(id && (strcmp(id, engine_capi_id) != 0))
448 IMPLEMENT_DYNAMIC_CHECK_FN()
449 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
451 static ENGINE *engine_capi(void)
453 ENGINE *ret = ENGINE_new();
464 void ENGINE_load_capi(void)
466 /* Copied from eng_[openssl|dyn].c */
467 ENGINE *toadd = engine_capi();
476 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
479 /* Reverse buffer in place: since this is a keyblob structure
480 * that will be freed up after conversion anyway it doesn't
481 * matter if we change it.
483 for(i = 0; i < binlen / 2; i++)
487 bin[i] = bin[binlen - i - 1];
488 bin[binlen - i - 1] = c;
491 if (!BN_bin2bn(bin, binlen, bn))
496 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
497 UI_METHOD *ui_method, void *callback_data)
499 EVP_PKEY *ret = NULL;
502 unsigned char *pubkey = NULL;
507 ctx = ENGINE_get_ex_data(eng, capi_idx);
511 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
515 key = capi_find_key(ctx, key_id);
521 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
523 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
528 pubkey = OPENSSL_malloc(len);
533 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
535 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
540 bh = (BLOBHEADER *)pubkey;
541 if (bh->bType != PUBLICKEYBLOB)
543 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
546 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
550 unsigned char *rsa_modulus;
551 rp = (RSAPUBKEY *)(bh + 1);
552 if (rp->magic != 0x31415352)
555 BIO_snprintf(magstr, 10, "%lx", rp->magic);
556 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
557 ERR_add_error_data(2, "magic=0x", magstr);
560 rsa_modulus = (unsigned char *)(rp + 1);
561 rkey = RSA_new_method(eng);
568 if (!rkey->e || !rkey->n)
571 if (!BN_set_word(rkey->e, rp->pubexp))
574 rsa_modlen = rp->bitlen / 8;
575 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
578 RSA_set_ex_data(rkey, rsa_capi_idx, key);
580 if (!(ret = EVP_PKEY_new()))
583 EVP_PKEY_assign_RSA(ret, rkey);
587 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
592 dp = (DSSPUBKEY *)(bh + 1);
593 if (dp->magic != 0x31535344)
596 BIO_snprintf(magstr, 10, "%lx", dp->magic);
597 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
598 ERR_add_error_data(2, "magic=0x", magstr);
601 dsa_plen = dp->bitlen / 8;
602 btmp = (unsigned char *)(dp + 1);
603 dkey = DSA_new_method(eng);
609 dkey->pub_key = BN_new();
610 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
612 if (!lend_tobn(dkey->p, btmp, dsa_plen))
615 if (!lend_tobn(dkey->q, btmp, 20))
618 if (!lend_tobn(dkey->g, btmp, dsa_plen))
621 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
625 DSA_set_ex_data(dkey, dsa_capi_idx, key);
627 if (!(ret = EVP_PKEY_new()))
630 EVP_PKEY_assign_DSA(ret, dkey);
636 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
637 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
638 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
644 OPENSSL_free(pubkey);
658 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
663 /* CryptoAPI RSA operations */
665 int capi_rsa_priv_enc(int flen, const unsigned char *from,
666 unsigned char *to, RSA *rsa, int padding)
668 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
672 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
673 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
683 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
685 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
687 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
690 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
693 /* Convert the signature type to a CryptoAPI algorithm ID */
704 alg = CALG_SSL3_SHAMD5;
709 BIO_snprintf(algstr, 10, "%lx", dtype);
710 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
711 ERR_add_error_data(2, "NID=0x", algstr);
718 /* Create the hash object */
719 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
720 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
724 /* Set the hash value to the value passed */
726 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
727 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
733 /* Finally sign it */
734 slen = RSA_size(rsa);
735 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
736 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
741 /* Inplace byte reversal of signature */
742 for(i = 0; i < slen / 2; i++) {
745 sigret[i] = sigret[slen - i - 1];
746 sigret[slen - i - 1] = c;
755 CryptDestroyHash(hash);
760 int capi_rsa_priv_dec(int flen, const unsigned char *from,
761 unsigned char *to, RSA *rsa, int padding)
764 unsigned char *tmpbuf;
767 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
769 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
772 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
775 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
779 if(padding != RSA_PKCS1_PADDING)
782 BIO_snprintf(errstr, 10, "%d", padding);
783 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
784 ERR_add_error_data(2, "padding=", errstr);
788 /* Create temp reverse order version of input */
789 if(!(tmpbuf = OPENSSL_malloc(flen)) )
791 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
794 for(i = 0; i < flen; i++)
795 tmpbuf[flen - i - 1] = from[i];
797 /* Finally decrypt it */
798 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
800 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
802 OPENSSL_free(tmpbuf);
805 else memcpy(to, tmpbuf, flen);
807 OPENSSL_free(tmpbuf);
812 static int capi_rsa_free(RSA *rsa)
815 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
816 capi_free_key(capi_key);
817 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
821 /* CryptoAPI DSA operations */
823 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
831 unsigned char csigbuf[40];
833 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
835 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
837 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
841 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
847 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
851 /* Create the hash object */
852 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
853 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
858 /* Set the hash value to the value passed */
859 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
860 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
866 /* Finally sign it */
867 slen = sizeof(csigbuf);
868 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
870 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
881 if (!ret->r || !ret->s)
883 if (!lend_tobn(ret->r, csigbuf, 20)
884 || !lend_tobn(ret->s, csigbuf + 20, 20))
895 OPENSSL_cleanse(csigbuf, 40);
896 CryptDestroyHash(hash);
900 static int capi_dsa_free(DSA *dsa)
903 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
904 capi_free_key(capi_key);
905 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
909 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
913 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
915 out = BIO_new_file(ctx->debug_file, "a+");
916 BIO_vprintf(out, format, argptr);
920 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
923 va_start(args, format);
924 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
928 static void capi_addlasterror(void)
930 capi_adderror(GetLastError());
933 static void capi_adderror(DWORD err)
936 BIO_snprintf(errstr, 10, "%lX", err);
937 ERR_add_error_data(2, "Error code= 0x", errstr);
940 static char *wide_to_asc(LPWSTR wstr)
945 str = OPENSSL_malloc(wcslen(wstr) + 1);
948 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
951 sprintf(str, "%S", wstr);
955 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
959 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
960 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
962 err = GetLastError();
963 if (err == ERROR_NO_MORE_ITEMS)
965 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
969 name = OPENSSL_malloc(len);
970 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
972 err = GetLastError();
973 if (err == ERROR_NO_MORE_ITEMS)
975 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
980 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
985 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
989 LPTSTR provname = NULL;
990 CAPI_trace(ctx, "capi_list_providers\n");
991 BIO_printf(out, "Available CSPs:\n");
992 for(idx = 0; ; idx++)
994 ret = capi_get_provname(ctx, &provname, &ptype, idx);
999 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1000 OPENSSL_free(provname);
1005 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1009 DWORD err, idx, flags, buflen = 0, clen;
1011 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1012 if (!CryptAcquireContext(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1014 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1015 capi_addlasterror();
1018 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1020 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1021 capi_addlasterror();
1024 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1027 cname = OPENSSL_malloc(buflen);
1030 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1034 for (idx = 0;;idx++)
1040 flags = CRYPT_FIRST;
1043 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1045 err = GetLastError();
1046 if (err == ERROR_NO_MORE_ITEMS)
1048 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1052 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1053 if (!cname[0] && (clen == buflen))
1055 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1058 BIO_printf(out, "%d. %s\n", idx, cname);
1066 OPENSSL_free(cname);
1067 CryptReleaseContext(hprov, 0);
1072 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1075 CRYPT_KEY_PROV_INFO *pinfo;
1077 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1079 pinfo = OPENSSL_malloc(len);
1082 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1085 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1087 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1088 capi_addlasterror();
1089 OPENSSL_free(pinfo);
1095 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1097 char *provname = NULL, *contname = NULL;
1100 BIO_printf(out, " No Private Key\n");
1103 provname = wide_to_asc(pinfo->pwszProvName);
1104 contname = wide_to_asc(pinfo->pwszContainerName);
1105 if (!provname || !contname)
1108 BIO_printf(out, " Private Key Info:\n");
1109 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1110 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1113 OPENSSL_free(provname);
1115 OPENSSL_free(contname);
1118 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1123 CAPI_trace(ctx, "capi_cert_get_fname\n");
1124 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1126 wfname = OPENSSL_malloc(dlen);
1127 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1129 char *fname = wide_to_asc(wfname);
1130 OPENSSL_free(wfname);
1133 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1134 capi_addlasterror();
1136 OPENSSL_free(wfname);
1141 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1145 unsigned long flags = ctx->dump_flags;
1146 if (flags & CAPI_DMP_FNAME)
1149 fname = capi_cert_get_fname(ctx, cert);
1152 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1153 OPENSSL_free(fname);
1156 BIO_printf(out, " <No Friendly Name>\n");
1159 p = cert->pbCertEncoded;
1160 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1162 BIO_printf(out, " <Can't parse certificate>\n");
1163 if (flags & CAPI_DMP_SUMMARY)
1165 BIO_printf(out, " Subject: ");
1166 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1167 BIO_printf(out, "\n Issuer: ");
1168 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1169 BIO_printf(out, "\n");
1171 if (flags & CAPI_DMP_FULL)
1172 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1174 if (flags & CAPI_DMP_PKEYINFO)
1176 CRYPT_KEY_PROV_INFO *pinfo;
1177 pinfo = capi_get_prov_info(ctx, cert);
1178 capi_dump_prov_info(ctx, out, pinfo);
1180 OPENSSL_free(pinfo);
1183 if (flags & CAPI_DMP_PEM)
1184 PEM_write_bio_X509(out, x);
1188 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1193 storename = ctx->storename;
1196 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1198 hstore = CertOpenSystemStore(0, storename);
1201 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1202 capi_addlasterror();
1207 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1213 PCCERT_CONTEXT cert = NULL;
1215 storename = ctx->storename;
1218 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1220 hstore = capi_open_store(ctx, storename);
1225 cert = capi_find_cert(ctx, id, hstore);
1231 capi_dump_cert(ctx, out, cert);
1232 CertFreeCertificateContext(cert);
1238 LPWSTR fname = NULL;
1239 cert = CertEnumCertificatesInStore(hstore, cert);
1242 BIO_printf(out, "Certificate %d\n", idx);
1243 capi_dump_cert(ctx, out, cert);
1247 CertCloseStore(hstore, 0);
1251 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1253 PCCERT_CONTEXT cert = NULL;
1256 switch(ctx->lookup_method)
1258 case CAPI_LU_SUBSTR:
1259 return CertFindCertificateInStore(hstore, X509_ASN_ENCODING, 0,
1260 CERT_FIND_SUBJECT_STR_A, id, NULL);
1264 cert = CertEnumCertificatesInStore(hstore, cert);
1267 fname = capi_cert_get_fname(ctx, cert);
1270 if (strcmp(fname, id))
1274 OPENSSL_free(fname);
1284 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1287 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1288 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1289 contname, provname, ptype);
1290 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0))
1292 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1293 capi_addlasterror();
1296 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1298 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1299 capi_addlasterror();
1300 CryptReleaseContext(key->hprov, 0);
1303 key->keyspec = keyspec;
1311 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1314 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1315 char *provname = NULL, *contname = NULL;
1316 pinfo = capi_get_prov_info(ctx, cert);
1319 provname = wide_to_asc(pinfo->pwszProvName);
1320 contname = wide_to_asc(pinfo->pwszContainerName);
1321 if (!provname || !contname)
1324 key = capi_get_key(ctx, contname, provname, pinfo->dwProvType, pinfo->dwKeySpec);
1328 OPENSSL_free(pinfo);
1330 OPENSSL_free(provname);
1332 OPENSSL_free(contname);
1336 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1338 PCCERT_CONTEXT cert;
1340 CAPI_KEY *key = NULL;
1341 switch (ctx->lookup_method)
1343 case CAPI_LU_SUBSTR:
1345 hstore = capi_open_store(ctx, NULL);
1348 cert = capi_find_cert(ctx, id, hstore);
1351 key = capi_get_cert_key(ctx, cert);
1352 CertFreeCertificateContext(cert);
1354 CertCloseStore(hstore, 0);
1357 case CAPI_LU_CONTNAME:
1358 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, ctx->keytype);
1365 void capi_free_key(CAPI_KEY *key)
1369 CryptDestroyKey(key->key);
1370 CryptReleaseContext(key->hprov, 0);
1375 /* Initialize a CAPI_CTX structure */
1377 static CAPI_CTX *capi_ctx_new()
1380 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1383 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1386 ctx->cspname = NULL;
1387 ctx->csptype = PROV_RSA_FULL;
1388 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1389 ctx->keytype = AT_KEYEXCHANGE;
1390 ctx->storename = NULL;
1391 ctx->lookup_method = CAPI_LU_SUBSTR;
1392 ctx->debug_level = 0;
1393 ctx->debug_file = NULL;
1397 static void capi_ctx_free(CAPI_CTX *ctx)
1399 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1403 OPENSSL_free(ctx->cspname);
1404 if (ctx->debug_file)
1405 OPENSSL_free(ctx->debug_file);
1407 OPENSSL_free(ctx->storename);
1411 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1413 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1417 if (!CryptAcquireContext(&hprov, NULL, pname, type, CRYPT_VERIFYCONTEXT))
1419 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1420 capi_addlasterror();
1423 CryptReleaseContext(hprov, 0);
1425 ctx->cspname = BUF_strdup(pname);
1426 ctx->csptype = type;
1430 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1434 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1436 return capi_ctx_set_provname(ctx, pname, type, 0);