1 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
4 /* ====================================================================
5 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
33 * 6. Redistributions of any form whatsoever must retain the following
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * Hudson (tjh@cryptsoft.com).
60 #include <openssl/asn1t.h>
61 #include <openssl/x509.h>
62 #include <openssl/rsa.h>
63 #include "asn1_locl.h"
65 static int rsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
67 unsigned char *penc = NULL;
69 penclen = i2d_RSAPublicKey(pkey->pkey.rsa, &penc);
72 if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_RSA),
73 V_ASN1_NULL, NULL, penc, penclen))
80 static int rsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
82 const unsigned char *p;
85 if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey))
87 if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen)))
89 RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB);
92 EVP_PKEY_assign_RSA (pkey, rsa);
96 static int rsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
98 if (BN_cmp(b->pkey.rsa->n,a->pkey.rsa->n) != 0
99 || BN_cmp(b->pkey.rsa->e,a->pkey.rsa->e) != 0)
104 static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
106 const unsigned char *p;
109 if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
111 if (!(rsa = d2i_RSAPrivateKey (NULL, &p, pklen)))
113 RSAerr(RSA_F_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
116 EVP_PKEY_assign_RSA (pkey, rsa);
120 static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
122 unsigned char *rk = NULL;
124 rklen = i2d_RSAPrivateKey(pkey->pkey.rsa, &rk);
128 RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
132 if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_rsaEncryption), 0,
133 V_ASN1_NULL, NULL, rk, rklen))
135 RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
142 static int int_rsa_size(const EVP_PKEY *pkey)
144 return RSA_size(pkey->pkey.rsa);
147 static int rsa_bits(const EVP_PKEY *pkey)
149 return BN_num_bits(pkey->pkey.rsa->n);
152 static void int_rsa_free(EVP_PKEY *pkey)
154 RSA_free(pkey->pkey.rsa);
158 static void update_buflen(const BIGNUM *b, size_t *pbuflen)
163 if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
167 static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
171 unsigned char *m=NULL;
172 int ret=0, mod_len = 0;
175 update_buflen(x->n, &buf_len);
176 update_buflen(x->e, &buf_len);
180 update_buflen(x->d, &buf_len);
181 update_buflen(x->p, &buf_len);
182 update_buflen(x->q, &buf_len);
183 update_buflen(x->dmp1, &buf_len);
184 update_buflen(x->dmq1, &buf_len);
185 update_buflen(x->iqmp, &buf_len);
188 m=(unsigned char *)OPENSSL_malloc(buf_len+10);
191 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE);
196 mod_len = BN_num_bits(x->n);
198 if(!BIO_indent(bp,off,128))
203 if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len)
206 s = "publicExponent:";
210 if (BIO_printf(bp,"Public-Key: (%d bit)\n", mod_len)
215 if (!ASN1_bn_print(bp,str,x->n,m,off)) goto err;
216 if (!ASN1_bn_print(bp,s,x->e,m,off))
220 if (!ASN1_bn_print(bp,"privateExponent:",x->d,m,off))
222 if (!ASN1_bn_print(bp,"prime1:",x->p,m,off))
224 if (!ASN1_bn_print(bp,"prime2:",x->q,m,off))
226 if (!ASN1_bn_print(bp,"exponent1:",x->dmp1,m,off))
228 if (!ASN1_bn_print(bp,"exponent2:",x->dmq1,m,off))
230 if (!ASN1_bn_print(bp,"coefficient:",x->iqmp,m,off))
235 if (m != NULL) OPENSSL_free(m);
239 static int rsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
242 return do_rsa_print(bp, pkey->pkey.rsa, indent, 0);
246 static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
249 return do_rsa_print(bp, pkey->pkey.rsa, indent, 1);
252 const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] =
260 "OpenSSL RSA method",