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authorParménides GV <parmegv@sdf.org>2014-11-04 20:45:42 +0100
committerParménides GV <parmegv@sdf.org>2014-11-04 20:45:42 +0100
commit5304543ebd60778ad46123cd63142e27627fa150 (patch)
treeb07723b530e20b23ae83de822387f6551ea7f9f4 /ics-openvpn-stripped/main/openssl/crypto/rsa/rsa_ameth.c
parent713c3a98f53a6bd1ad94e90f28d3e37d20abfab9 (diff)
Update ics-openvpn to rev 906.
Diffstat (limited to 'ics-openvpn-stripped/main/openssl/crypto/rsa/rsa_ameth.c')
-rw-r--r--ics-openvpn-stripped/main/openssl/crypto/rsa/rsa_ameth.c698
1 files changed, 698 insertions, 0 deletions
diff --git a/ics-openvpn-stripped/main/openssl/crypto/rsa/rsa_ameth.c b/ics-openvpn-stripped/main/openssl/crypto/rsa/rsa_ameth.c
new file mode 100644
index 00000000..4c8ecd92
--- /dev/null
+++ b/ics-openvpn-stripped/main/openssl/crypto/rsa/rsa_ameth.c
@@ -0,0 +1,698 @@
+/* crypto/rsa/rsa_ameth.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 2006.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/rsa.h>
+#include <openssl/bn.h>
+#ifndef OPENSSL_NO_CMS
+#include <openssl/cms.h>
+#endif
+#include "asn1_locl.h"
+
+static int rsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
+ {
+ unsigned char *penc = NULL;
+ int penclen;
+ penclen = i2d_RSAPublicKey(pkey->pkey.rsa, &penc);
+ if (penclen <= 0)
+ return 0;
+ if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_RSA),
+ V_ASN1_NULL, NULL, penc, penclen))
+ return 1;
+
+ OPENSSL_free(penc);
+ return 0;
+ }
+
+static int rsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
+ {
+ const unsigned char *p;
+ int pklen;
+ RSA *rsa = NULL;
+ if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey))
+ return 0;
+ if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen)))
+ {
+ RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB);
+ return 0;
+ }
+ EVP_PKEY_assign_RSA (pkey, rsa);
+ return 1;
+ }
+
+static int rsa_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
+ {
+ if (BN_cmp(b->pkey.rsa->n,a->pkey.rsa->n) != 0
+ || BN_cmp(b->pkey.rsa->e,a->pkey.rsa->e) != 0)
+ return 0;
+ return 1;
+ }
+
+static int old_rsa_priv_decode(EVP_PKEY *pkey,
+ const unsigned char **pder, int derlen)
+ {
+ RSA *rsa;
+ if (!(rsa = d2i_RSAPrivateKey (NULL, pder, derlen)))
+ {
+ RSAerr(RSA_F_OLD_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
+ return 0;
+ }
+ EVP_PKEY_assign_RSA(pkey, rsa);
+ return 1;
+ }
+
+static int old_rsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
+ {
+ return i2d_RSAPrivateKey(pkey->pkey.rsa, pder);
+ }
+
+static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
+ {
+ unsigned char *rk = NULL;
+ int rklen;
+ rklen = i2d_RSAPrivateKey(pkey->pkey.rsa, &rk);
+
+ if (rklen <= 0)
+ {
+ RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_rsaEncryption), 0,
+ V_ASN1_NULL, NULL, rk, rklen))
+ {
+ RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ return 1;
+ }
+
+static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
+ {
+ const unsigned char *p;
+ int pklen;
+ if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
+ return 0;
+ return old_rsa_priv_decode(pkey, &p, pklen);
+ }
+
+static int int_rsa_size(const EVP_PKEY *pkey)
+ {
+ return RSA_size(pkey->pkey.rsa);
+ }
+
+static int rsa_bits(const EVP_PKEY *pkey)
+ {
+ return BN_num_bits(pkey->pkey.rsa->n);
+ }
+
+static void int_rsa_free(EVP_PKEY *pkey)
+ {
+ RSA_free(pkey->pkey.rsa);
+ }
+
+
+static void update_buflen(const BIGNUM *b, size_t *pbuflen)
+ {
+ size_t i;
+ if (!b)
+ return;
+ if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
+ *pbuflen = i;
+ }
+
+static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
+ {
+ char *str;
+ const char *s;
+ unsigned char *m=NULL;
+ int ret=0, mod_len = 0;
+ size_t buf_len=0;
+
+ update_buflen(x->n, &buf_len);
+ update_buflen(x->e, &buf_len);
+
+ if (priv)
+ {
+ update_buflen(x->d, &buf_len);
+ update_buflen(x->p, &buf_len);
+ update_buflen(x->q, &buf_len);
+ update_buflen(x->dmp1, &buf_len);
+ update_buflen(x->dmq1, &buf_len);
+ update_buflen(x->iqmp, &buf_len);
+ }
+
+ m=(unsigned char *)OPENSSL_malloc(buf_len+10);
+ if (m == NULL)
+ {
+ RSAerr(RSA_F_DO_RSA_PRINT,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (x->n != NULL)
+ mod_len = BN_num_bits(x->n);
+
+ if(!BIO_indent(bp,off,128))
+ goto err;
+
+ if (priv && x->d)
+ {
+ if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len)
+ <= 0) goto err;
+ str = "modulus:";
+ s = "publicExponent:";
+ }
+ else
+ {
+ if (BIO_printf(bp,"Public-Key: (%d bit)\n", mod_len)
+ <= 0) goto err;
+ str = "Modulus:";
+ s= "Exponent:";
+ }
+ if (!ASN1_bn_print(bp,str,x->n,m,off)) goto err;
+ if (!ASN1_bn_print(bp,s,x->e,m,off))
+ goto err;
+ if (priv)
+ {
+ if (!ASN1_bn_print(bp,"privateExponent:",x->d,m,off))
+ goto err;
+ if (!ASN1_bn_print(bp,"prime1:",x->p,m,off))
+ goto err;
+ if (!ASN1_bn_print(bp,"prime2:",x->q,m,off))
+ goto err;
+ if (!ASN1_bn_print(bp,"exponent1:",x->dmp1,m,off))
+ goto err;
+ if (!ASN1_bn_print(bp,"exponent2:",x->dmq1,m,off))
+ goto err;
+ if (!ASN1_bn_print(bp,"coefficient:",x->iqmp,m,off))
+ goto err;
+ }
+ ret=1;
+err:
+ if (m != NULL) OPENSSL_free(m);
+ return(ret);
+ }
+
+static int rsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx)
+ {
+ return do_rsa_print(bp, pkey->pkey.rsa, indent, 0);
+ }
+
+
+static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
+ ASN1_PCTX *ctx)
+ {
+ return do_rsa_print(bp, pkey->pkey.rsa, indent, 1);
+ }
+
+static RSA_PSS_PARAMS *rsa_pss_decode(const X509_ALGOR *alg,
+ X509_ALGOR **pmaskHash)
+ {
+ const unsigned char *p;
+ int plen;
+ RSA_PSS_PARAMS *pss;
+
+ *pmaskHash = NULL;
+
+ if (!alg->parameter || alg->parameter->type != V_ASN1_SEQUENCE)
+ return NULL;
+ p = alg->parameter->value.sequence->data;
+ plen = alg->parameter->value.sequence->length;
+ pss = d2i_RSA_PSS_PARAMS(NULL, &p, plen);
+
+ if (!pss)
+ return NULL;
+
+ if (pss->maskGenAlgorithm)
+ {
+ ASN1_TYPE *param = pss->maskGenAlgorithm->parameter;
+ if (OBJ_obj2nid(pss->maskGenAlgorithm->algorithm) == NID_mgf1
+ && param->type == V_ASN1_SEQUENCE)
+ {
+ p = param->value.sequence->data;
+ plen = param->value.sequence->length;
+ *pmaskHash = d2i_X509_ALGOR(NULL, &p, plen);
+ }
+ }
+
+ return pss;
+ }
+
+static int rsa_pss_param_print(BIO *bp, RSA_PSS_PARAMS *pss,
+ X509_ALGOR *maskHash, int indent)
+ {
+ int rv = 0;
+ if (!pss)
+ {
+ if (BIO_puts(bp, " (INVALID PSS PARAMETERS)\n") <= 0)
+ return 0;
+ return 1;
+ }
+ if (BIO_puts(bp, "\n") <= 0)
+ goto err;
+ if (!BIO_indent(bp, indent, 128))
+ goto err;
+ if (BIO_puts(bp, "Hash Algorithm: ") <= 0)
+ goto err;
+
+ if (pss->hashAlgorithm)
+ {
+ if (i2a_ASN1_OBJECT(bp, pss->hashAlgorithm->algorithm) <= 0)
+ goto err;
+ }
+ else if (BIO_puts(bp, "sha1 (default)") <= 0)
+ goto err;
+
+ if (BIO_puts(bp, "\n") <= 0)
+ goto err;
+
+ if (!BIO_indent(bp, indent, 128))
+ goto err;
+
+ if (BIO_puts(bp, "Mask Algorithm: ") <= 0)
+ goto err;
+ if (pss->maskGenAlgorithm)
+ {
+ if (i2a_ASN1_OBJECT(bp, pss->maskGenAlgorithm->algorithm) <= 0)
+ goto err;
+ if (BIO_puts(bp, " with ") <= 0)
+ goto err;
+ if (maskHash)
+ {
+ if (i2a_ASN1_OBJECT(bp, maskHash->algorithm) <= 0)
+ goto err;
+ }
+ else if (BIO_puts(bp, "INVALID") <= 0)
+ goto err;
+ }
+ else if (BIO_puts(bp, "mgf1 with sha1 (default)") <= 0)
+ goto err;
+ BIO_puts(bp, "\n");
+
+ if (!BIO_indent(bp, indent, 128))
+ goto err;
+ if (BIO_puts(bp, "Salt Length: 0x") <= 0)
+ goto err;
+ if (pss->saltLength)
+ {
+ if (i2a_ASN1_INTEGER(bp, pss->saltLength) <= 0)
+ goto err;
+ }
+ else if (BIO_puts(bp, "14 (default)") <= 0)
+ goto err;
+ BIO_puts(bp, "\n");
+
+ if (!BIO_indent(bp, indent, 128))
+ goto err;
+ if (BIO_puts(bp, "Trailer Field: 0x") <= 0)
+ goto err;
+ if (pss->trailerField)
+ {
+ if (i2a_ASN1_INTEGER(bp, pss->trailerField) <= 0)
+ goto err;
+ }
+ else if (BIO_puts(bp, "BC (default)") <= 0)
+ goto err;
+ BIO_puts(bp, "\n");
+
+ rv = 1;
+
+ err:
+ return rv;
+
+ }
+
+static int rsa_sig_print(BIO *bp, const X509_ALGOR *sigalg,
+ const ASN1_STRING *sig,
+ int indent, ASN1_PCTX *pctx)
+ {
+ if (OBJ_obj2nid(sigalg->algorithm) == NID_rsassaPss)
+ {
+ int rv;
+ RSA_PSS_PARAMS *pss;
+ X509_ALGOR *maskHash;
+ pss = rsa_pss_decode(sigalg, &maskHash);
+ rv = rsa_pss_param_print(bp, pss, maskHash, indent);
+ if (pss)
+ RSA_PSS_PARAMS_free(pss);
+ if (maskHash)
+ X509_ALGOR_free(maskHash);
+ if (!rv)
+ return 0;
+ }
+ else if (!sig && BIO_puts(bp, "\n") <= 0)
+ return 0;
+ if (sig)
+ return X509_signature_dump(bp, sig, indent);
+ return 1;
+ }
+
+static int rsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
+ {
+ X509_ALGOR *alg = NULL;
+ switch (op)
+ {
+
+ case ASN1_PKEY_CTRL_PKCS7_SIGN:
+ if (arg1 == 0)
+ PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, NULL, &alg);
+ break;
+
+ case ASN1_PKEY_CTRL_PKCS7_ENCRYPT:
+ if (arg1 == 0)
+ PKCS7_RECIP_INFO_get0_alg(arg2, &alg);
+ break;
+#ifndef OPENSSL_NO_CMS
+ case ASN1_PKEY_CTRL_CMS_SIGN:
+ if (arg1 == 0)
+ CMS_SignerInfo_get0_algs(arg2, NULL, NULL, NULL, &alg);
+ break;
+
+ case ASN1_PKEY_CTRL_CMS_ENVELOPE:
+ if (arg1 == 0)
+ CMS_RecipientInfo_ktri_get0_algs(arg2, NULL, NULL, &alg);
+ break;
+#endif
+
+ case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
+ *(int *)arg2 = NID_sha1;
+ return 1;
+
+ default:
+ return -2;
+
+ }
+
+ if (alg)
+ X509_ALGOR_set0(alg, OBJ_nid2obj(NID_rsaEncryption),
+ V_ASN1_NULL, 0);
+
+ return 1;
+
+ }
+
+/* Customised RSA item verification routine. This is called
+ * when a signature is encountered requiring special handling. We
+ * currently only handle PSS.
+ */
+
+
+static int rsa_item_verify(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
+ X509_ALGOR *sigalg, ASN1_BIT_STRING *sig,
+ EVP_PKEY *pkey)
+ {
+ int rv = -1;
+ int saltlen;
+ const EVP_MD *mgf1md = NULL, *md = NULL;
+ RSA_PSS_PARAMS *pss;
+ X509_ALGOR *maskHash;
+ EVP_PKEY_CTX *pkctx;
+ /* Sanity check: make sure it is PSS */
+ if (OBJ_obj2nid(sigalg->algorithm) != NID_rsassaPss)
+ {
+ RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNSUPPORTED_SIGNATURE_TYPE);
+ return -1;
+ }
+ /* Decode PSS parameters */
+ pss = rsa_pss_decode(sigalg, &maskHash);
+
+ if (pss == NULL)
+ {
+ RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_INVALID_PSS_PARAMETERS);
+ goto err;
+ }
+ /* Check mask and lookup mask hash algorithm */
+ if (pss->maskGenAlgorithm)
+ {
+ if (OBJ_obj2nid(pss->maskGenAlgorithm->algorithm) != NID_mgf1)
+ {
+ RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNSUPPORTED_MASK_ALGORITHM);
+ goto err;
+ }
+ if (!maskHash)
+ {
+ RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNSUPPORTED_MASK_PARAMETER);
+ goto err;
+ }
+ mgf1md = EVP_get_digestbyobj(maskHash->algorithm);
+ if (mgf1md == NULL)
+ {
+ RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNKNOWN_MASK_DIGEST);
+ goto err;
+ }
+ }
+ else
+ mgf1md = EVP_sha1();
+
+ if (pss->hashAlgorithm)
+ {
+ md = EVP_get_digestbyobj(pss->hashAlgorithm->algorithm);
+ if (md == NULL)
+ {
+ RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_UNKNOWN_PSS_DIGEST);
+ goto err;
+ }
+ }
+ else
+ md = EVP_sha1();
+
+ if (pss->saltLength)
+ {
+ saltlen = ASN1_INTEGER_get(pss->saltLength);
+
+ /* Could perform more salt length sanity checks but the main
+ * RSA routines will trap other invalid values anyway.
+ */
+ if (saltlen < 0)
+ {
+ RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_INVALID_SALT_LENGTH);
+ goto err;
+ }
+ }
+ else
+ saltlen = 20;
+
+ /* low-level routines support only trailer field 0xbc (value 1)
+ * and PKCS#1 says we should reject any other value anyway.
+ */
+ if (pss->trailerField && ASN1_INTEGER_get(pss->trailerField) != 1)
+ {
+ RSAerr(RSA_F_RSA_ITEM_VERIFY, RSA_R_INVALID_TRAILER);
+ goto err;
+ }
+
+ /* We have all parameters now set up context */
+
+ if (!EVP_DigestVerifyInit(ctx, &pkctx, md, NULL, pkey))
+ goto err;
+
+ if (EVP_PKEY_CTX_set_rsa_padding(pkctx, RSA_PKCS1_PSS_PADDING) <= 0)
+ goto err;
+
+ if (EVP_PKEY_CTX_set_rsa_pss_saltlen(pkctx, saltlen) <= 0)
+ goto err;
+
+ if (EVP_PKEY_CTX_set_rsa_mgf1_md(pkctx, mgf1md) <= 0)
+ goto err;
+ /* Carry on */
+ rv = 2;
+
+ err:
+ RSA_PSS_PARAMS_free(pss);
+ if (maskHash)
+ X509_ALGOR_free(maskHash);
+ return rv;
+ }
+
+static int rsa_item_sign(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
+ X509_ALGOR *alg1, X509_ALGOR *alg2,
+ ASN1_BIT_STRING *sig)
+ {
+ int pad_mode;
+ EVP_PKEY_CTX *pkctx = ctx->pctx;
+ if (EVP_PKEY_CTX_get_rsa_padding(pkctx, &pad_mode) <= 0)
+ return 0;
+ if (pad_mode == RSA_PKCS1_PADDING)
+ return 2;
+ if (pad_mode == RSA_PKCS1_PSS_PADDING)
+ {
+ const EVP_MD *sigmd, *mgf1md;
+ RSA_PSS_PARAMS *pss = NULL;
+ X509_ALGOR *mgf1alg = NULL;
+ ASN1_STRING *os1 = NULL, *os2 = NULL;
+ EVP_PKEY *pk = EVP_PKEY_CTX_get0_pkey(pkctx);
+ int saltlen, rv = 0;
+ sigmd = EVP_MD_CTX_md(ctx);
+ if (EVP_PKEY_CTX_get_rsa_mgf1_md(pkctx, &mgf1md) <= 0)
+ goto err;
+ if (!EVP_PKEY_CTX_get_rsa_pss_saltlen(pkctx, &saltlen))
+ goto err;
+ if (saltlen == -1)
+ saltlen = EVP_MD_size(sigmd);
+ else if (saltlen == -2)
+ {
+ saltlen = EVP_PKEY_size(pk) - EVP_MD_size(sigmd) - 2;
+ if (((EVP_PKEY_bits(pk) - 1) & 0x7) == 0)
+ saltlen--;
+ }
+ pss = RSA_PSS_PARAMS_new();
+ if (!pss)
+ goto err;
+ if (saltlen != 20)
+ {
+ pss->saltLength = ASN1_INTEGER_new();
+ if (!pss->saltLength)
+ goto err;
+ if (!ASN1_INTEGER_set(pss->saltLength, saltlen))
+ goto err;
+ }
+ if (EVP_MD_type(sigmd) != NID_sha1)
+ {
+ pss->hashAlgorithm = X509_ALGOR_new();
+ if (!pss->hashAlgorithm)
+ goto err;
+ X509_ALGOR_set_md(pss->hashAlgorithm, sigmd);
+ }
+ if (EVP_MD_type(mgf1md) != NID_sha1)
+ {
+ ASN1_STRING *stmp = NULL;
+ /* need to embed algorithm ID inside another */
+ mgf1alg = X509_ALGOR_new();
+ X509_ALGOR_set_md(mgf1alg, mgf1md);
+ if (!ASN1_item_pack(mgf1alg, ASN1_ITEM_rptr(X509_ALGOR),
+ &stmp))
+ goto err;
+ pss->maskGenAlgorithm = X509_ALGOR_new();
+ if (!pss->maskGenAlgorithm)
+ goto err;
+ X509_ALGOR_set0(pss->maskGenAlgorithm,
+ OBJ_nid2obj(NID_mgf1),
+ V_ASN1_SEQUENCE, stmp);
+ }
+ /* Finally create string with pss parameter encoding. */
+ if (!ASN1_item_pack(pss, ASN1_ITEM_rptr(RSA_PSS_PARAMS), &os1))
+ goto err;
+ if (alg2)
+ {
+ os2 = ASN1_STRING_dup(os1);
+ if (!os2)
+ goto err;
+ X509_ALGOR_set0(alg2, OBJ_nid2obj(NID_rsassaPss),
+ V_ASN1_SEQUENCE, os2);
+ }
+ X509_ALGOR_set0(alg1, OBJ_nid2obj(NID_rsassaPss),
+ V_ASN1_SEQUENCE, os1);
+ os1 = os2 = NULL;
+ rv = 3;
+ err:
+ if (mgf1alg)
+ X509_ALGOR_free(mgf1alg);
+ if (pss)
+ RSA_PSS_PARAMS_free(pss);
+ if (os1)
+ ASN1_STRING_free(os1);
+ return rv;
+
+ }
+ return 2;
+ }
+
+const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] =
+ {
+ {
+ EVP_PKEY_RSA,
+ EVP_PKEY_RSA,
+ ASN1_PKEY_SIGPARAM_NULL,
+
+ "RSA",
+ "OpenSSL RSA method",
+
+ rsa_pub_decode,
+ rsa_pub_encode,
+ rsa_pub_cmp,
+ rsa_pub_print,
+
+ rsa_priv_decode,
+ rsa_priv_encode,
+ rsa_priv_print,
+
+ int_rsa_size,
+ rsa_bits,
+
+ 0,0,0,0,0,0,
+
+ rsa_sig_print,
+ int_rsa_free,
+ rsa_pkey_ctrl,
+ old_rsa_priv_decode,
+ old_rsa_priv_encode,
+ rsa_item_verify,
+ rsa_item_sign
+ },
+
+ {
+ EVP_PKEY_RSA2,
+ EVP_PKEY_RSA,
+ ASN1_PKEY_ALIAS
+ }
+ };