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authorSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
committerSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
commitc4a78426bef17a0a7c81195c2b2399e7441f14ad (patch)
tree596c39f00d5968b1519e8cd7f0546412b14c20f0 /crypto/evp/p_lib.c
parenta0ddfe4e7233d81e88a86217b7653708db2720fa (diff)
downloadsrc-c4a78426bef17a0a7c81195c2b2399e7441f14ad.tar.gz
src-c4a78426bef17a0a7c81195c2b2399e7441f14ad.zip
Flatten OpenSSL vendor tree.
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=182044
Diffstat (limited to 'crypto/evp/p_lib.c')
-rw-r--r--crypto/evp/p_lib.c502
1 files changed, 502 insertions, 0 deletions
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
new file mode 100644
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--- /dev/null
+++ b/crypto/evp/p_lib.c
@@ -0,0 +1,502 @@
+/* crypto/evp/p_lib.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/bn.h>
+#include <openssl/err.h>
+#include <openssl/objects.h>
+#include <openssl/evp.h>
+#include <openssl/asn1_mac.h>
+#include <openssl/x509.h>
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+#ifndef OPENSSL_NO_DSA
+#include <openssl/dsa.h>
+#endif
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
+
+static void EVP_PKEY_free_it(EVP_PKEY *x);
+
+int EVP_PKEY_bits(EVP_PKEY *pkey)
+ {
+ if (0)
+ return 0;
+#ifndef OPENSSL_NO_RSA
+ else if (pkey->type == EVP_PKEY_RSA)
+ return(BN_num_bits(pkey->pkey.rsa->n));
+#endif
+#ifndef OPENSSL_NO_DSA
+ else if (pkey->type == EVP_PKEY_DSA)
+ return(BN_num_bits(pkey->pkey.dsa->p));
+#endif
+#ifndef OPENSSL_NO_EC
+ else if (pkey->type == EVP_PKEY_EC)
+ {
+ BIGNUM *order = BN_new();
+ const EC_GROUP *group;
+ int ret;
+
+ if (!order)
+ {
+ ERR_clear_error();
+ return 0;
+ }
+ group = EC_KEY_get0_group(pkey->pkey.ec);
+ if (!EC_GROUP_get_order(group, order, NULL))
+ {
+ ERR_clear_error();
+ return 0;
+ }
+
+ ret = BN_num_bits(order);
+ BN_free(order);
+ return ret;
+ }
+#endif
+ return(0);
+ }
+
+int EVP_PKEY_size(EVP_PKEY *pkey)
+ {
+ if (pkey == NULL)
+ return(0);
+#ifndef OPENSSL_NO_RSA
+ if (pkey->type == EVP_PKEY_RSA)
+ return(RSA_size(pkey->pkey.rsa));
+ else
+#endif
+#ifndef OPENSSL_NO_DSA
+ if (pkey->type == EVP_PKEY_DSA)
+ return(DSA_size(pkey->pkey.dsa));
+#endif
+#ifndef OPENSSL_NO_ECDSA
+ if (pkey->type == EVP_PKEY_EC)
+ return(ECDSA_size(pkey->pkey.ec));
+#endif
+
+ return(0);
+ }
+
+int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode)
+ {
+#ifndef OPENSSL_NO_DSA
+ if (pkey->type == EVP_PKEY_DSA)
+ {
+ int ret=pkey->save_parameters;
+
+ if (mode >= 0)
+ pkey->save_parameters=mode;
+ return(ret);
+ }
+#endif
+#ifndef OPENSSL_NO_EC
+ if (pkey->type == EVP_PKEY_EC)
+ {
+ int ret = pkey->save_parameters;
+
+ if (mode >= 0)
+ pkey->save_parameters = mode;
+ return(ret);
+ }
+#endif
+ return(0);
+ }
+
+int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
+ {
+ if (to->type != from->type)
+ {
+ EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_DIFFERENT_KEY_TYPES);
+ goto err;
+ }
+
+ if (EVP_PKEY_missing_parameters(from))
+ {
+ EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_MISSING_PARAMETERS);
+ goto err;
+ }
+#ifndef OPENSSL_NO_DSA
+ if (to->type == EVP_PKEY_DSA)
+ {
+ BIGNUM *a;
+
+ if ((a=BN_dup(from->pkey.dsa->p)) == NULL) goto err;
+ if (to->pkey.dsa->p != NULL) BN_free(to->pkey.dsa->p);
+ to->pkey.dsa->p=a;
+
+ if ((a=BN_dup(from->pkey.dsa->q)) == NULL) goto err;
+ if (to->pkey.dsa->q != NULL) BN_free(to->pkey.dsa->q);
+ to->pkey.dsa->q=a;
+
+ if ((a=BN_dup(from->pkey.dsa->g)) == NULL) goto err;
+ if (to->pkey.dsa->g != NULL) BN_free(to->pkey.dsa->g);
+ to->pkey.dsa->g=a;
+ }
+#endif
+#ifndef OPENSSL_NO_EC
+ if (to->type == EVP_PKEY_EC)
+ {
+ EC_GROUP *group = EC_GROUP_dup(EC_KEY_get0_group(from->pkey.ec));
+ if (group == NULL)
+ goto err;
+ if (EC_KEY_set_group(to->pkey.ec, group) == 0)
+ goto err;
+ EC_GROUP_free(group);
+ }
+#endif
+ return(1);
+err:
+ return(0);
+ }
+
+int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
+ {
+#ifndef OPENSSL_NO_DSA
+ if (pkey->type == EVP_PKEY_DSA)
+ {
+ DSA *dsa;
+
+ dsa=pkey->pkey.dsa;
+ if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))
+ return(1);
+ }
+#endif
+#ifndef OPENSSL_NO_EC
+ if (pkey->type == EVP_PKEY_EC)
+ {
+ if (EC_KEY_get0_group(pkey->pkey.ec) == NULL)
+ return(1);
+ }
+#endif
+
+ return(0);
+ }
+
+int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
+ {
+#ifndef OPENSSL_NO_DSA
+ if ((a->type == EVP_PKEY_DSA) && (b->type == EVP_PKEY_DSA))
+ {
+ if ( BN_cmp(a->pkey.dsa->p,b->pkey.dsa->p) ||
+ BN_cmp(a->pkey.dsa->q,b->pkey.dsa->q) ||
+ BN_cmp(a->pkey.dsa->g,b->pkey.dsa->g))
+ return(0);
+ else
+ return(1);
+ }
+#endif
+#ifndef OPENSSL_NO_EC
+ if (a->type == EVP_PKEY_EC && b->type == EVP_PKEY_EC)
+ {
+ const EC_GROUP *group_a = EC_KEY_get0_group(a->pkey.ec),
+ *group_b = EC_KEY_get0_group(b->pkey.ec);
+ if (EC_GROUP_cmp(group_a, group_b, NULL))
+ return 0;
+ else
+ return 1;
+ }
+#endif
+ return(-1);
+ }
+
+int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
+ {
+ if (a->type != b->type)
+ return -1;
+
+ if (EVP_PKEY_cmp_parameters(a, b) == 0)
+ return 0;
+
+ switch (a->type)
+ {
+#ifndef OPENSSL_NO_RSA
+ case EVP_PKEY_RSA:
+ 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;
+ break;
+#endif
+#ifndef OPENSSL_NO_DSA
+ case EVP_PKEY_DSA:
+ if (BN_cmp(b->pkey.dsa->pub_key,a->pkey.dsa->pub_key) != 0)
+ return 0;
+ break;
+#endif
+#ifndef OPENSSL_NO_EC
+ case EVP_PKEY_EC:
+ {
+ int r;
+ const EC_GROUP *group = EC_KEY_get0_group(b->pkey.ec);
+ const EC_POINT *pa = EC_KEY_get0_public_key(a->pkey.ec),
+ *pb = EC_KEY_get0_public_key(b->pkey.ec);
+ r = EC_POINT_cmp(group, pa, pb, NULL);
+ if (r != 0)
+ {
+ if (r == 1)
+ return 0;
+ else
+ return -2;
+ }
+ }
+ break;
+#endif
+#ifndef OPENSSL_NO_DH
+ case EVP_PKEY_DH:
+ return -2;
+#endif
+ default:
+ return -2;
+ }
+
+ return 1;
+ }
+
+EVP_PKEY *EVP_PKEY_new(void)
+ {
+ EVP_PKEY *ret;
+
+ ret=(EVP_PKEY *)OPENSSL_malloc(sizeof(EVP_PKEY));
+ if (ret == NULL)
+ {
+ EVPerr(EVP_F_EVP_PKEY_NEW,ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+ ret->type=EVP_PKEY_NONE;
+ ret->references=1;
+ ret->pkey.ptr=NULL;
+ ret->attributes=NULL;
+ ret->save_parameters=1;
+ return(ret);
+ }
+
+int EVP_PKEY_assign(EVP_PKEY *pkey, int type, char *key)
+ {
+ if (pkey == NULL) return(0);
+ if (pkey->pkey.ptr != NULL)
+ EVP_PKEY_free_it(pkey);
+ pkey->type=EVP_PKEY_type(type);
+ pkey->save_type=type;
+ pkey->pkey.ptr=key;
+ return(key != NULL);
+ }
+
+#ifndef OPENSSL_NO_RSA
+int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
+{
+ int ret = EVP_PKEY_assign_RSA(pkey, key);
+ if(ret)
+ RSA_up_ref(key);
+ return ret;
+}
+
+RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey)
+ {
+ if(pkey->type != EVP_PKEY_RSA) {
+ EVPerr(EVP_F_EVP_PKEY_GET1_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
+ return NULL;
+ }
+ RSA_up_ref(pkey->pkey.rsa);
+ return pkey->pkey.rsa;
+}
+#endif
+
+#ifndef OPENSSL_NO_DSA
+int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key)
+{
+ int ret = EVP_PKEY_assign_DSA(pkey, key);
+ if(ret)
+ DSA_up_ref(key);
+ return ret;
+}
+
+DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey)
+ {
+ if(pkey->type != EVP_PKEY_DSA) {
+ EVPerr(EVP_F_EVP_PKEY_GET1_DSA, EVP_R_EXPECTING_A_DSA_KEY);
+ return NULL;
+ }
+ DSA_up_ref(pkey->pkey.dsa);
+ return pkey->pkey.dsa;
+}
+#endif
+
+#ifndef OPENSSL_NO_EC
+
+int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
+{
+ int ret = EVP_PKEY_assign_EC_KEY(pkey,key);
+ if (ret)
+ EC_KEY_up_ref(key);
+ return ret;
+}
+
+EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey)
+{
+ if (pkey->type != EVP_PKEY_EC)
+ {
+ EVPerr(EVP_F_EVP_PKEY_GET1_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
+ return NULL;
+ }
+ EC_KEY_up_ref(pkey->pkey.ec);
+ return pkey->pkey.ec;
+}
+#endif
+
+
+#ifndef OPENSSL_NO_DH
+
+int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key)
+{
+ int ret = EVP_PKEY_assign_DH(pkey, key);
+ if(ret)
+ DH_up_ref(key);
+ return ret;
+}
+
+DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
+ {
+ if(pkey->type != EVP_PKEY_DH) {
+ EVPerr(EVP_F_EVP_PKEY_GET1_DH, EVP_R_EXPECTING_A_DH_KEY);
+ return NULL;
+ }
+ DH_up_ref(pkey->pkey.dh);
+ return pkey->pkey.dh;
+}
+#endif
+
+int EVP_PKEY_type(int type)
+ {
+ switch (type)
+ {
+ case EVP_PKEY_RSA:
+ case EVP_PKEY_RSA2:
+ return(EVP_PKEY_RSA);
+ case EVP_PKEY_DSA:
+ case EVP_PKEY_DSA1:
+ case EVP_PKEY_DSA2:
+ case EVP_PKEY_DSA3:
+ case EVP_PKEY_DSA4:
+ return(EVP_PKEY_DSA);
+ case EVP_PKEY_DH:
+ return(EVP_PKEY_DH);
+ case EVP_PKEY_EC:
+ return(EVP_PKEY_EC);
+ default:
+ return(NID_undef);
+ }
+ }
+
+void EVP_PKEY_free(EVP_PKEY *x)
+ {
+ int i;
+
+ if (x == NULL) return;
+
+ i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY);
+#ifdef REF_PRINT
+ REF_PRINT("EVP_PKEY",x);
+#endif
+ if (i > 0) return;
+#ifdef REF_CHECK
+ if (i < 0)
+ {
+ fprintf(stderr,"EVP_PKEY_free, bad reference count\n");
+ abort();
+ }
+#endif
+ EVP_PKEY_free_it(x);
+ if (x->attributes)
+ sk_X509_ATTRIBUTE_pop_free(x->attributes, X509_ATTRIBUTE_free);
+ OPENSSL_free(x);
+ }
+
+static void EVP_PKEY_free_it(EVP_PKEY *x)
+ {
+ switch (x->type)
+ {
+#ifndef OPENSSL_NO_RSA
+ case EVP_PKEY_RSA:
+ case EVP_PKEY_RSA2:
+ RSA_free(x->pkey.rsa);
+ break;
+#endif
+#ifndef OPENSSL_NO_DSA
+ case EVP_PKEY_DSA:
+ case EVP_PKEY_DSA2:
+ case EVP_PKEY_DSA3:
+ case EVP_PKEY_DSA4:
+ DSA_free(x->pkey.dsa);
+ break;
+#endif
+#ifndef OPENSSL_NO_EC
+ case EVP_PKEY_EC:
+ EC_KEY_free(x->pkey.ec);
+ break;
+#endif
+#ifndef OPENSSL_NO_DH
+ case EVP_PKEY_DH:
+ DH_free(x->pkey.dh);
+ break;
+#endif
+ }
+ }
+