1 files changed, 469 insertions, 0 deletions

diff --git a/src/lib/libcrypto/evp/p_lib.c b/src/lib/libcrypto/evp/p_lib.c
new file mode 100644
index 0000000000..e26ccd0d08
--- /dev/null
+++ b/src/lib/libcrypto/evp/p_lib.c
@@ -0,0 +1,469 @@
+/* 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
+
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+
+#include "asn1_locl.h"
+
+static void EVP_PKEY_free_it(EVP_PKEY *x);
+
+int EVP_PKEY_bits(EVP_PKEY *pkey)
+        {
+        if (pkey && pkey->ameth && pkey->ameth->pkey_bits)
+                return pkey->ameth->pkey_bits(pkey);
+        return 0;
+        }
+
+int EVP_PKEY_size(EVP_PKEY *pkey)
+        {
+        if (pkey && pkey->ameth && pkey->ameth->pkey_size)
+                return pkey->ameth->pkey_size(pkey);
+        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;
+                }
+        if (from->ameth && from->ameth->param_copy)
+                return from->ameth->param_copy(to, from);
+err:
+        return 0;
+        }
+
+int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
+        {
+        if (pkey->ameth && pkey->ameth->param_missing)
+                return pkey->ameth->param_missing(pkey);
+        return 0;
+        }
+
+int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
+        {
+        if (a->type != b->type)
+                return -1;
+        if (a->ameth && a->ameth->param_cmp)
+                return a->ameth->param_cmp(a, b);
+        return -2;
+        }
+
+int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
+        {
+        if (a->type != b->type)
+                return -1;
+
+        if (a->ameth)
+                {
+                int ret;
+                /* Compare parameters if the algorithm has them */
+                if (a->ameth->param_cmp)
+                        {
+                        ret = a->ameth->param_cmp(a, b);
+                        if (ret <= 0)
+                                return ret;
+                        }
+
+                if (a->ameth->pub_cmp)
+                        return a->ameth->pub_cmp(a, b);
+                }
+
+        return -2;
+        }
+
+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->save_type=EVP_PKEY_NONE;
+        ret->references=1;
+        ret->ameth=NULL;
+        ret->engine=NULL;
+        ret->pkey.ptr=NULL;
+        ret->attributes=NULL;
+        ret->save_parameters=1;
+        return(ret);
+        }
+
+/* Setup a public key ASN1 method and ENGINE from a NID or a string.
+ * If pkey is NULL just return 1 or 0 if the algorithm exists.
+ */
+
+static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len)
+        {
+        const EVP_PKEY_ASN1_METHOD *ameth;
+        ENGINE *e = NULL;
+        if (pkey)
+                {
+                if (pkey->pkey.ptr)
+                        EVP_PKEY_free_it(pkey);
+                /* If key type matches and a method exists then this
+                 * lookup has succeeded once so just indicate success.
+                 */
+                if ((type == pkey->save_type) && pkey->ameth)
+                        return 1;
+#ifndef OPENSSL_NO_ENGINE
+                /* If we have an ENGINE release it */
+                if (pkey->engine)
+                        {
+                        ENGINE_finish(pkey->engine);
+                        pkey->engine = NULL;
+                        }
+#endif
+                }
+        if (str)
+                ameth = EVP_PKEY_asn1_find_str(&e, str, len);
+        else
+                ameth = EVP_PKEY_asn1_find(&e, type);
+#ifndef OPENSSL_NO_ENGINE
+        if (!pkey && e)
+                ENGINE_finish(e);
+#endif
+        if (!ameth)
+                {
+                EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
+                return 0;
+                }
+        if (pkey)
+                {
+                pkey->ameth = ameth;
+                pkey->engine = e;
+
+                pkey->type = pkey->ameth->pkey_id;
+                pkey->save_type=type;
+                }
+        return 1;
+        }
+
+int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
+        {
+        return pkey_set_type(pkey, type, NULL, -1);
+        }
+
+int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len)
+        {
+        return pkey_set_type(pkey, EVP_PKEY_NONE, str, len);
+        }
+
+int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
+        {
+        if (!EVP_PKEY_set_type(pkey, type))
+                return 0;
+        pkey->pkey.ptr=key;
+        return (key != NULL);
+        }
+
+void *EVP_PKEY_get0(EVP_PKEY *pkey)
+        {
+        return pkey->pkey.ptr;
+        }
+
+#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)
+        {
+        int ret;
+        const EVP_PKEY_ASN1_METHOD *ameth;
+        ENGINE *e;
+        ameth = EVP_PKEY_asn1_find(&e, type);
+        if (ameth)
+                ret = ameth->pkey_id;
+        else
+                ret = NID_undef;
+#ifndef OPENSSL_NO_ENGINE
+        if (e)
+                ENGINE_finish(e);
+#endif
+        return ret;
+        }
+
+int EVP_PKEY_id(const EVP_PKEY *pkey)
+        {
+        return pkey->type;
+        }
+
+int EVP_PKEY_base_id(const EVP_PKEY *pkey)
+        {
+        return EVP_PKEY_type(pkey->type);
+        }
+
+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)
+        {
+        if (x->ameth && x->ameth->pkey_free)
+                {
+                x->ameth->pkey_free(x);
+                x->pkey.ptr = NULL;
+                }
+#ifndef OPENSSL_NO_ENGINE
+        if (x->engine)
+                {
+                ENGINE_finish(x->engine);
+                x->engine = NULL;
+                }
+#endif
+        }
+
+static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent,
+                                const char *kstr)
+        {
+        BIO_indent(out, indent, 128);
+        BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
+                                                kstr, OBJ_nid2ln(pkey->type));
+        return 1;
+        }
+
+int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
+                                int indent, ASN1_PCTX *pctx)
+        {
+        if (pkey->ameth && pkey->ameth->pub_print)
+                return pkey->ameth->pub_print(out, pkey, indent, pctx);
+        
+        return unsup_alg(out, pkey, indent, "Public Key");
+        }
+
+int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
+                                int indent, ASN1_PCTX *pctx)
+        {
+        if (pkey->ameth && pkey->ameth->priv_print)
+                return pkey->ameth->priv_print(out, pkey, indent, pctx);
+        
+        return unsup_alg(out, pkey, indent, "Private Key");
+        }
+
+int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
+                                int indent, ASN1_PCTX *pctx)
+        {
+        if (pkey->ameth && pkey->ameth->param_print)
+                return pkey->ameth->param_print(out, pkey, indent, pctx);
+        return unsup_alg(out, pkey, indent, "Parameters");
+        }
+
+int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
+        {
+        if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
+                return -2;
+        return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID,
+                                                0, pnid);
+        }
+