2 * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000-2003 Internet Software Consortium.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
19 * Principal Author: Brian Wellington
20 * $Id: opensslrsa_link.c,v 1.20.50.3 2009/01/18 23:25:16 marka Exp $
32 #include <isc/entropy.h>
36 #include <isc/string.h>
39 #include <dst/result.h>
41 #include "dst_internal.h"
42 #include "dst_openssl.h"
43 #include "dst_parse.h"
45 #include <openssl/err.h>
46 #include <openssl/objects.h>
47 #include <openssl/rsa.h>
48 #if OPENSSL_VERSION_NUMBER > 0x00908000L
49 #include <openssl/bn.h>
51 #include <openssl/engine.h>
54 * We don't use configure for windows so enforce the OpenSSL version
55 * here. Unlike with configure we don't support overriding this test.
58 #if !((OPENSSL_VERSION_NUMBER >= 0x009070cfL && \
59 OPENSSL_VERSION_NUMBER < 0x00908000L) || \
60 OPENSSL_VERSION_NUMBER >= 0x0090804fL)
61 #error Please upgrade OpenSSL to 0.9.8d/0.9.7l or greater.
67 * XXXMPA Temporarily disable RSA_BLINDING as it requires
68 * good quality random data that cannot currently be guaranteed.
69 * XXXMPA Find which versions of openssl use pseudo random data
70 * and set RSA_FLAG_BLINDING for those.
74 #if OPENSSL_VERSION_NUMBER < 0x0090601fL
75 #define SET_FLAGS(rsa) \
77 (rsa)->flags &= ~(RSA_FLAG_CACHE_PUBLIC | RSA_FLAG_CACHE_PRIVATE); \
78 (rsa)->flags |= RSA_FLAG_BLINDING; \
81 #define SET_FLAGS(rsa) \
83 (rsa)->flags |= RSA_FLAG_BLINDING; \
88 #if OPENSSL_VERSION_NUMBER < 0x0090601fL
89 #define SET_FLAGS(rsa) \
91 (rsa)->flags &= ~(RSA_FLAG_CACHE_PUBLIC | RSA_FLAG_CACHE_PRIVATE); \
92 (rsa)->flags &= ~RSA_FLAG_BLINDING; \
94 #elif defined(RSA_FLAG_NO_BLINDING)
95 #define SET_FLAGS(rsa) \
97 (rsa)->flags &= ~RSA_FLAG_BLINDING; \
98 (rsa)->flags |= RSA_FLAG_NO_BLINDING; \
101 #define SET_FLAGS(rsa) \
103 (rsa)->flags &= ~RSA_FLAG_BLINDING; \
107 #define DST_RET(a) {ret = a; goto err;}
109 static isc_result_t opensslrsa_todns(const dst_key_t *key, isc_buffer_t *data);
112 opensslrsa_createctx(dst_key_t *key, dst_context_t *dctx) {
114 EVP_MD_CTX *evp_md_ctx;
119 REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
120 dctx->key->key_alg == DST_ALG_RSASHA1 ||
121 dctx->key->key_alg == DST_ALG_NSEC3RSASHA1);
124 evp_md_ctx = EVP_MD_CTX_create();
125 if (evp_md_ctx == NULL)
126 return (ISC_R_NOMEMORY);
128 if (dctx->key->key_alg == DST_ALG_RSAMD5)
129 type = EVP_md5(); /* MD5 + RSA */
131 type = EVP_sha1(); /* SHA1 + RSA */
133 if (!EVP_DigestInit_ex(evp_md_ctx, type, NULL)) {
134 EVP_MD_CTX_destroy(evp_md_ctx);
135 return (ISC_R_FAILURE);
137 dctx->ctxdata.evp_md_ctx = evp_md_ctx;
139 if (dctx->key->key_alg == DST_ALG_RSAMD5) {
142 md5ctx = isc_mem_get(dctx->mctx, sizeof(isc_md5_t));
144 return (ISC_R_NOMEMORY);
145 isc_md5_init(md5ctx);
146 dctx->ctxdata.md5ctx = md5ctx;
150 sha1ctx = isc_mem_get(dctx->mctx, sizeof(isc_sha1_t));
152 return (ISC_R_NOMEMORY);
153 isc_sha1_init(sha1ctx);
154 dctx->ctxdata.sha1ctx = sha1ctx;
158 return (ISC_R_SUCCESS);
162 opensslrsa_destroyctx(dst_context_t *dctx) {
164 EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
167 REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
168 dctx->key->key_alg == DST_ALG_RSASHA1 ||
169 dctx->key->key_alg == DST_ALG_NSEC3RSASHA1);
172 if (evp_md_ctx != NULL) {
173 EVP_MD_CTX_destroy(evp_md_ctx);
174 dctx->ctxdata.evp_md_ctx = NULL;
177 if (dctx->key->key_alg == DST_ALG_RSAMD5) {
178 isc_md5_t *md5ctx = dctx->ctxdata.md5ctx;
180 if (md5ctx != NULL) {
181 isc_md5_invalidate(md5ctx);
182 isc_mem_put(dctx->mctx, md5ctx, sizeof(isc_md5_t));
183 dctx->ctxdata.md5ctx = NULL;
186 isc_sha1_t *sha1ctx = dctx->ctxdata.sha1ctx;
188 if (sha1ctx != NULL) {
189 isc_sha1_invalidate(sha1ctx);
190 isc_mem_put(dctx->mctx, sha1ctx, sizeof(isc_sha1_t));
191 dctx->ctxdata.sha1ctx = NULL;
198 opensslrsa_adddata(dst_context_t *dctx, const isc_region_t *data) {
200 EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
203 REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
204 dctx->key->key_alg == DST_ALG_RSASHA1 ||
205 dctx->key->key_alg == DST_ALG_NSEC3RSASHA1);
208 if (!EVP_DigestUpdate(evp_md_ctx, data->base, data->length)) {
209 return (ISC_R_FAILURE);
212 if (dctx->key->key_alg == DST_ALG_RSAMD5) {
213 isc_md5_t *md5ctx = dctx->ctxdata.md5ctx;
214 isc_md5_update(md5ctx, data->base, data->length);
216 isc_sha1_t *sha1ctx = dctx->ctxdata.sha1ctx;
217 isc_sha1_update(sha1ctx, data->base, data->length);
220 return (ISC_R_SUCCESS);
224 opensslrsa_sign(dst_context_t *dctx, isc_buffer_t *sig) {
225 dst_key_t *key = dctx->key;
227 unsigned int siglen = 0;
229 EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
230 EVP_PKEY *pkey = key->keydata.pkey;
232 RSA *rsa = key->keydata.rsa;
233 /* note: ISC_SHA1_DIGESTLENGTH > ISC_MD5_DIGESTLENGTH */
234 unsigned char digest[ISC_SHA1_DIGESTLENGTH];
237 unsigned int digestlen;
244 REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
245 dctx->key->key_alg == DST_ALG_RSASHA1 ||
246 dctx->key->key_alg == DST_ALG_NSEC3RSASHA1);
248 isc_buffer_availableregion(sig, &r);
251 if (r.length < (unsigned int) EVP_PKEY_size(pkey))
252 return (ISC_R_NOSPACE);
254 if (!EVP_SignFinal(evp_md_ctx, r.base, &siglen, pkey)) {
255 return (ISC_R_FAILURE);
258 if (r.length < (unsigned int) RSA_size(rsa))
259 return (ISC_R_NOSPACE);
261 if (dctx->key->key_alg == DST_ALG_RSAMD5) {
262 isc_md5_t *md5ctx = dctx->ctxdata.md5ctx;
263 isc_md5_final(md5ctx, digest);
265 digestlen = ISC_MD5_DIGESTLENGTH;
267 isc_sha1_t *sha1ctx = dctx->ctxdata.sha1ctx;
268 isc_sha1_final(sha1ctx, digest);
270 digestlen = ISC_SHA1_DIGESTLENGTH;
273 status = RSA_sign(type, digest, digestlen, r.base, &siglen, rsa);
275 err = ERR_peek_error_line(&file, &line);
277 message = ERR_error_string(err, NULL);
279 return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
283 isc_buffer_add(sig, siglen);
285 return (ISC_R_SUCCESS);
289 opensslrsa_verify(dst_context_t *dctx, const isc_region_t *sig) {
290 dst_key_t *key = dctx->key;
293 EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
294 EVP_PKEY *pkey = key->keydata.pkey;
296 /* note: ISC_SHA1_DIGESTLENGTH > ISC_MD5_DIGESTLENGTH */
297 unsigned char digest[ISC_SHA1_DIGESTLENGTH];
299 unsigned int digestlen;
300 RSA *rsa = key->keydata.rsa;
303 REQUIRE(dctx->key->key_alg == DST_ALG_RSAMD5 ||
304 dctx->key->key_alg == DST_ALG_RSASHA1 ||
305 dctx->key->key_alg == DST_ALG_NSEC3RSASHA1);
308 status = EVP_VerifyFinal(evp_md_ctx, sig->base, sig->length, pkey);
310 if (dctx->key->key_alg == DST_ALG_RSAMD5) {
311 isc_md5_t *md5ctx = dctx->ctxdata.md5ctx;
312 isc_md5_final(md5ctx, digest);
314 digestlen = ISC_MD5_DIGESTLENGTH;
316 isc_sha1_t *sha1ctx = dctx->ctxdata.sha1ctx;
317 isc_sha1_final(sha1ctx, digest);
319 digestlen = ISC_SHA1_DIGESTLENGTH;
322 if (sig->length < (unsigned int) RSA_size(rsa))
323 return (DST_R_VERIFYFAILURE);
325 status = RSA_verify(type, digest, digestlen, sig->base,
329 return (dst__openssl_toresult(DST_R_VERIFYFAILURE));
331 return (ISC_R_SUCCESS);
335 opensslrsa_compare(const dst_key_t *key1, const dst_key_t *key2) {
337 RSA *rsa1 = NULL, *rsa2 = NULL;
339 EVP_PKEY *pkey1, *pkey2;
343 pkey1 = key1->keydata.pkey;
344 pkey2 = key2->keydata.pkey;
346 * The pkey reference will keep these around after
347 * the RSA_free() call.
350 rsa1 = EVP_PKEY_get1_RSA(pkey1);
354 rsa2 = EVP_PKEY_get1_RSA(pkey2);
358 rsa1 = key1->keydata.rsa;
359 rsa2 = key2->keydata.rsa;
362 if (rsa1 == NULL && rsa2 == NULL)
364 else if (rsa1 == NULL || rsa2 == NULL)
367 status = BN_cmp(rsa1->n, rsa2->n) ||
368 BN_cmp(rsa1->e, rsa2->e);
374 if ((rsa1->flags & RSA_FLAG_EXT_PKEY) != 0 ||
375 (rsa2->flags & RSA_FLAG_EXT_PKEY) != 0) {
376 if ((rsa1->flags & RSA_FLAG_EXT_PKEY) == 0 ||
377 (rsa2->flags & RSA_FLAG_EXT_PKEY) == 0)
380 * Can't compare private parameters, BTW does it make sense?
386 if (rsa1->d != NULL || rsa2->d != NULL) {
387 if (rsa1->d == NULL || rsa2->d == NULL)
389 status = BN_cmp(rsa1->d, rsa2->d) ||
390 BN_cmp(rsa1->p, rsa2->p) ||
391 BN_cmp(rsa1->q, rsa2->q);
400 opensslrsa_generate(dst_key_t *key, int exp) {
401 #if OPENSSL_VERSION_NUMBER > 0x00908000L
403 RSA *rsa = RSA_new();
404 BIGNUM *e = BN_new();
406 EVP_PKEY *pkey = EVP_PKEY_new();
409 if (rsa == NULL || e == NULL)
414 if (!EVP_PKEY_set1_RSA(pkey, rsa))
428 BN_GENCB_set_old(&cb, NULL, NULL);
430 if (RSA_generate_key_ex(rsa, key->key_size, e, &cb)) {
434 key->keydata.pkey = pkey;
438 key->keydata.rsa = rsa;
440 return (ISC_R_SUCCESS);
452 return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
457 EVP_PKEY *pkey = EVP_PKEY_new();
460 return (ISC_R_NOMEMORY);
467 rsa = RSA_generate_key(key->key_size, e, NULL, NULL);
472 return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
476 if (!EVP_PKEY_set1_RSA(pkey, rsa)) {
479 return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
481 key->keydata.pkey = pkey;
484 key->keydata.rsa = rsa;
487 return (ISC_R_SUCCESS);
492 opensslrsa_isprivate(const dst_key_t *key) {
494 RSA *rsa = EVP_PKEY_get1_RSA(key->keydata.pkey);
497 /* key->keydata.pkey still has a reference so rsa is still valid. */
499 RSA *rsa = key->keydata.rsa;
501 if (rsa != NULL && (rsa->flags & RSA_FLAG_EXT_PKEY) != 0)
503 return (ISC_TF(rsa != NULL && rsa->d != NULL));
507 opensslrsa_destroy(dst_key_t *key) {
509 EVP_PKEY *pkey = key->keydata.pkey;
511 key->keydata.pkey = NULL;
513 RSA *rsa = key->keydata.rsa;
515 key->keydata.rsa = NULL;
521 opensslrsa_todns(const dst_key_t *key, isc_buffer_t *data) {
523 unsigned int e_bytes;
524 unsigned int mod_bytes;
532 REQUIRE(key->keydata.pkey != NULL);
534 REQUIRE(key->keydata.rsa != NULL);
538 pkey = key->keydata.pkey;
539 rsa = EVP_PKEY_get1_RSA(pkey);
541 return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
543 rsa = key->keydata.rsa;
546 isc_buffer_availableregion(data, &r);
548 e_bytes = BN_num_bytes(rsa->e);
549 mod_bytes = BN_num_bytes(rsa->n);
551 if (e_bytes < 256) { /*%< key exponent is <= 2040 bits */
553 DST_RET(ISC_R_NOSPACE);
554 isc_buffer_putuint8(data, (isc_uint8_t) e_bytes);
557 DST_RET(ISC_R_NOSPACE);
558 isc_buffer_putuint8(data, 0);
559 isc_buffer_putuint16(data, (isc_uint16_t) e_bytes);
562 if (r.length < e_bytes + mod_bytes)
563 return (ISC_R_NOSPACE);
564 isc_buffer_availableregion(data, &r);
566 BN_bn2bin(rsa->e, r.base);
568 BN_bn2bin(rsa->n, r.base);
570 isc_buffer_add(data, e_bytes + mod_bytes);
582 opensslrsa_fromdns(dst_key_t *key, isc_buffer_t *data) {
585 unsigned int e_bytes;
590 isc_buffer_remainingregion(data, &r);
592 return (ISC_R_SUCCESS);
596 return (dst__openssl_toresult(ISC_R_NOMEMORY));
601 return (DST_R_INVALIDPUBLICKEY);
609 return (DST_R_INVALIDPUBLICKEY);
611 e_bytes = ((*r.base++) << 8);
612 e_bytes += *r.base++;
616 if (r.length < e_bytes) {
618 return (DST_R_INVALIDPUBLICKEY);
620 rsa->e = BN_bin2bn(r.base, e_bytes, NULL);
624 rsa->n = BN_bin2bn(r.base, r.length, NULL);
626 key->key_size = BN_num_bits(rsa->n);
628 isc_buffer_forward(data, r.length);
631 pkey = EVP_PKEY_new();
634 return (ISC_R_NOMEMORY);
636 if (!EVP_PKEY_set1_RSA(pkey, rsa)) {
639 return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
641 key->keydata.pkey = pkey;
644 key->keydata.rsa = rsa;
647 return (ISC_R_SUCCESS);
651 opensslrsa_tofile(const dst_key_t *key, const char *directory) {
655 unsigned char *bufs[8];
659 if (key->keydata.pkey == NULL)
660 return (DST_R_NULLKEY);
661 rsa = EVP_PKEY_get1_RSA(key->keydata.pkey);
663 return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
665 if (key->keydata.rsa == NULL)
666 return (DST_R_NULLKEY);
667 rsa = key->keydata.rsa;
670 for (i = 0; i < 8; i++) {
671 bufs[i] = isc_mem_get(key->mctx, BN_num_bytes(rsa->n));
672 if (bufs[i] == NULL) {
673 result = ISC_R_NOMEMORY;
680 priv.elements[i].tag = TAG_RSA_MODULUS;
681 priv.elements[i].length = BN_num_bytes(rsa->n);
682 BN_bn2bin(rsa->n, bufs[i]);
683 priv.elements[i].data = bufs[i];
686 priv.elements[i].tag = TAG_RSA_PUBLICEXPONENT;
687 priv.elements[i].length = BN_num_bytes(rsa->e);
688 BN_bn2bin(rsa->e, bufs[i]);
689 priv.elements[i].data = bufs[i];
692 if (rsa->d != NULL) {
693 priv.elements[i].tag = TAG_RSA_PRIVATEEXPONENT;
694 priv.elements[i].length = BN_num_bytes(rsa->d);
695 BN_bn2bin(rsa->d, bufs[i]);
696 priv.elements[i].data = bufs[i];
700 if (rsa->p != NULL) {
701 priv.elements[i].tag = TAG_RSA_PRIME1;
702 priv.elements[i].length = BN_num_bytes(rsa->p);
703 BN_bn2bin(rsa->p, bufs[i]);
704 priv.elements[i].data = bufs[i];
708 if (rsa->q != NULL) {
709 priv.elements[i].tag = TAG_RSA_PRIME2;
710 priv.elements[i].length = BN_num_bytes(rsa->q);
711 BN_bn2bin(rsa->q, bufs[i]);
712 priv.elements[i].data = bufs[i];
716 if (rsa->dmp1 != NULL) {
717 priv.elements[i].tag = TAG_RSA_EXPONENT1;
718 priv.elements[i].length = BN_num_bytes(rsa->dmp1);
719 BN_bn2bin(rsa->dmp1, bufs[i]);
720 priv.elements[i].data = bufs[i];
724 if (rsa->dmq1 != NULL) {
725 priv.elements[i].tag = TAG_RSA_EXPONENT2;
726 priv.elements[i].length = BN_num_bytes(rsa->dmq1);
727 BN_bn2bin(rsa->dmq1, bufs[i]);
728 priv.elements[i].data = bufs[i];
732 if (rsa->iqmp != NULL) {
733 priv.elements[i].tag = TAG_RSA_COEFFICIENT;
734 priv.elements[i].length = BN_num_bytes(rsa->iqmp);
735 BN_bn2bin(rsa->iqmp, bufs[i]);
736 priv.elements[i].data = bufs[i];
740 if (key->engine != NULL) {
741 priv.elements[i].tag = TAG_RSA_ENGINE;
742 priv.elements[i].length = strlen(key->engine) + 1;
743 priv.elements[i].data = (unsigned char *)key->engine;
747 if (key->label != NULL) {
748 priv.elements[i].tag = TAG_RSA_LABEL;
749 priv.elements[i].length = strlen(key->label) + 1;
750 priv.elements[i].data = (unsigned char *)key->label;
755 result = dst__privstruct_writefile(key, &priv, directory);
760 for (i = 0; i < 8; i++) {
763 isc_mem_put(key->mctx, bufs[i], BN_num_bytes(rsa->n));
769 opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
775 isc_mem_t *mctx = key->mctx;
776 const char *name = NULL, *label = NULL;
777 EVP_PKEY *pkey = NULL;
779 /* read private key file */
780 ret = dst__privstruct_parse(key, DST_ALG_RSA, lexer, mctx, &priv);
781 if (ret != ISC_R_SUCCESS)
784 for (i = 0; i < priv.nelements; i++) {
785 switch (priv.elements[i].tag) {
787 name = (char *)priv.elements[i].data;
790 label = (char *)priv.elements[i].data;
797 * Is this key is stored in a HSM?
798 * See if we can fetch it.
800 if (name != NULL || label != NULL) {
801 INSIST(name != NULL);
802 INSIST(label != NULL);
803 e = dst__openssl_getengine(name);
805 DST_RET(DST_R_NOENGINE);
806 pkey = ENGINE_load_private_key(e, label, NULL, NULL);
808 ERR_print_errors_fp(stderr);
809 DST_RET(ISC_R_FAILURE);
811 key->engine = isc_mem_strdup(key->mctx, name);
812 if (key->engine == NULL)
813 DST_RET(ISC_R_NOMEMORY);
814 key->label = isc_mem_strdup(key->mctx, label);
815 if (key->label == NULL)
816 DST_RET(ISC_R_NOMEMORY);
817 key->key_size = EVP_PKEY_bits(pkey);
819 key->keydata.pkey = pkey;
821 key->keydata.rsa = EVP_PKEY_get1_RSA(pkey);
823 DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
826 dst__privstruct_free(&priv, mctx);
827 return (ISC_R_SUCCESS);
832 DST_RET(ISC_R_NOMEMORY);
836 pkey = EVP_PKEY_new();
838 DST_RET(ISC_R_NOMEMORY);
839 if (!EVP_PKEY_set1_RSA(pkey, rsa)) {
840 DST_RET(ISC_R_FAILURE);
842 key->keydata.pkey = pkey;
844 key->keydata.rsa = rsa;
847 for (i = 0; i < priv.nelements; i++) {
849 switch (priv.elements[i].tag) {
857 bn = BN_bin2bn(priv.elements[i].data,
858 priv.elements[i].length, NULL);
860 DST_RET(ISC_R_NOMEMORY);
863 switch (priv.elements[i].tag) {
864 case TAG_RSA_MODULUS:
867 case TAG_RSA_PUBLICEXPONENT:
870 case TAG_RSA_PRIVATEEXPONENT:
879 case TAG_RSA_EXPONENT1:
882 case TAG_RSA_EXPONENT2:
885 case TAG_RSA_COEFFICIENT:
890 dst__privstruct_free(&priv, mctx);
892 key->key_size = BN_num_bits(rsa->n);
897 return (ISC_R_SUCCESS);
906 opensslrsa_destroy(key);
907 dst__privstruct_free(&priv, mctx);
908 memset(&priv, 0, sizeof(priv));
913 opensslrsa_fromlabel(dst_key_t *key, const char *engine, const char *label,
918 EVP_PKEY *pkey = NULL;
922 e = dst__openssl_getengine(engine);
924 DST_RET(DST_R_NOENGINE);
925 pkey = ENGINE_load_private_key(e, label, NULL, NULL);
927 DST_RET(ISC_R_NOMEMORY);
928 key->engine = isc_mem_strdup(key->mctx, label);
929 if (key->engine == NULL)
930 DST_RET(ISC_R_NOMEMORY);
931 key->label = isc_mem_strdup(key->mctx, label);
932 if (key->label == NULL)
933 DST_RET(ISC_R_NOMEMORY);
934 key->key_size = EVP_PKEY_bits(pkey);
936 key->keydata.pkey = pkey;
938 key->keydata.rsa = EVP_PKEY_get1_RSA(pkey);
940 if (key->keydata.rsa == NULL)
941 return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
943 return (ISC_R_SUCCESS);
951 static dst_func_t opensslrsa_functions = {
952 opensslrsa_createctx,
953 opensslrsa_destroyctx,
957 NULL, /*%< computesecret */
959 NULL, /*%< paramcompare */
961 opensslrsa_isprivate,
967 NULL, /*%< cleanup */
968 opensslrsa_fromlabel,
972 dst__opensslrsa_init(dst_func_t **funcp) {
973 REQUIRE(funcp != NULL);
975 *funcp = &opensslrsa_functions;
976 return (ISC_R_SUCCESS);
981 #include <isc/util.h>
983 EMPTY_TRANSLATION_UNIT