Index: openssl/crypto/asn1/ameth_lib.c |
=================================================================== |
--- openssl/crypto/asn1/ameth_lib.c (revision 0) |
+++ openssl/crypto/asn1/ameth_lib.c (revision 0) |
@@ -0,0 +1,450 @@ |
+/* 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> |
+#ifndef OPENSSL_NO_ENGINE |
+#include <openssl/engine.h> |
+#endif |
+#include "asn1_locl.h" |
+ |
+extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[]; |
+extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[]; |
+extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth; |
+extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth; |
+extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth; |
+ |
+/* Keep this sorted in type order !! */ |
+static const EVP_PKEY_ASN1_METHOD *standard_methods[] = |
+ { |
+#ifndef OPENSSL_NO_RSA |
+ &rsa_asn1_meths[0], |
+ &rsa_asn1_meths[1], |
+#endif |
+#ifndef OPENSSL_NO_DH |
+ &dh_asn1_meth, |
+#endif |
+#ifndef OPENSSL_NO_DSA |
+ &dsa_asn1_meths[0], |
+ &dsa_asn1_meths[1], |
+ &dsa_asn1_meths[2], |
+ &dsa_asn1_meths[3], |
+ &dsa_asn1_meths[4], |
+#endif |
+#ifndef OPENSSL_NO_EC |
+ &eckey_asn1_meth, |
+#endif |
+ &hmac_asn1_meth |
+ }; |
+ |
+typedef int sk_cmp_fn_type(const char * const *a, const char * const *b); |
+DECLARE_STACK_OF(EVP_PKEY_ASN1_METHOD) |
+static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL; |
+ |
+ |
+ |
+#ifdef TEST |
+void main() |
+ { |
+ int i; |
+ for (i = 0; |
+ i < sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *); |
+ i++) |
+ fprintf(stderr, "Number %d id=%d (%s)\n", i, |
+ standard_methods[i]->pkey_id, |
+ OBJ_nid2sn(standard_methods[i]->pkey_id)); |
+ } |
+#endif |
+ |
+DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *, |
+ const EVP_PKEY_ASN1_METHOD *, ameth); |
+ |
+static int ameth_cmp(const EVP_PKEY_ASN1_METHOD * const *a, |
+ const EVP_PKEY_ASN1_METHOD * const *b) |
+ { |
+ return ((*a)->pkey_id - (*b)->pkey_id); |
+ } |
+ |
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *, |
+ const EVP_PKEY_ASN1_METHOD *, ameth); |
+ |
+int EVP_PKEY_asn1_get_count(void) |
+ { |
+ int num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *); |
+ if (app_methods) |
+ num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods); |
+ return num; |
+ } |
+ |
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx) |
+ { |
+ int num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *); |
+ if (idx < 0) |
+ return NULL; |
+ if (idx < num) |
+ return standard_methods[idx]; |
+ idx -= num; |
+ return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx); |
+ } |
+ |
+static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type) |
+ { |
+ EVP_PKEY_ASN1_METHOD tmp; |
+ const EVP_PKEY_ASN1_METHOD *t = &tmp, **ret; |
+ tmp.pkey_id = type; |
+ if (app_methods) |
+ { |
+ int idx; |
+ idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp); |
+ if (idx >= 0) |
+ return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx); |
+ } |
+ ret = OBJ_bsearch_ameth(&t, standard_methods, |
+ sizeof(standard_methods) |
+ /sizeof(EVP_PKEY_ASN1_METHOD *)); |
+ if (!ret || !*ret) |
+ return NULL; |
+ return *ret; |
+ } |
+ |
+/* Find an implementation of an ASN1 algorithm. If 'pe' is not NULL |
+ * also search through engines and set *pe to a functional reference |
+ * to the engine implementing 'type' or NULL if no engine implements |
+ * it. |
+ */ |
+ |
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type) |
+ { |
+ const EVP_PKEY_ASN1_METHOD *t; |
+ |
+ for (;;) |
+ { |
+ t = pkey_asn1_find(type); |
+ if (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS)) |
+ break; |
+ type = t->pkey_base_id; |
+ } |
+ if (pe) |
+ { |
+#ifndef OPENSSL_NO_ENGINE |
+ ENGINE *e; |
+ /* type will contain the final unaliased type */ |
+ e = ENGINE_get_pkey_asn1_meth_engine(type); |
+ if (e) |
+ { |
+ *pe = e; |
+ return ENGINE_get_pkey_asn1_meth(e, type); |
+ } |
+#endif |
+ *pe = NULL; |
+ } |
+ return t; |
+ } |
+ |
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe, |
+ const char *str, int len) |
+ { |
+ int i; |
+ const EVP_PKEY_ASN1_METHOD *ameth; |
+ if (len == -1) |
+ len = strlen(str); |
+ if (pe) |
+ { |
+#ifndef OPENSSL_NO_ENGINE |
+ ENGINE *e; |
+ ameth = ENGINE_pkey_asn1_find_str(&e, str, len); |
+ if (ameth) |
+ { |
+ /* Convert structural into |
+ * functional reference |
+ */ |
+ if (!ENGINE_init(e)) |
+ ameth = NULL; |
+ ENGINE_free(e); |
+ *pe = e; |
+ return ameth; |
+ } |
+#endif |
+ *pe = NULL; |
+ } |
+ for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) |
+ { |
+ ameth = EVP_PKEY_asn1_get0(i); |
+ if (ameth->pkey_flags & ASN1_PKEY_ALIAS) |
+ continue; |
+ if (((int)strlen(ameth->pem_str) == len) && |
+ !strncasecmp(ameth->pem_str, str, len)) |
+ return ameth; |
+ } |
+ return NULL; |
+ } |
+ |
+int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth) |
+ { |
+ if (app_methods == NULL) |
+ { |
+ app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp); |
+ if (!app_methods) |
+ return 0; |
+ } |
+ if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth)) |
+ return 0; |
+ sk_EVP_PKEY_ASN1_METHOD_sort(app_methods); |
+ return 1; |
+ } |
+ |
+int EVP_PKEY_asn1_add_alias(int to, int from) |
+ { |
+ EVP_PKEY_ASN1_METHOD *ameth; |
+ ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL); |
+ if (!ameth) |
+ return 0; |
+ ameth->pkey_base_id = to; |
+ return EVP_PKEY_asn1_add0(ameth); |
+ } |
+ |
+int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id, int *ppkey_flags, |
+ const char **pinfo, const char **ppem_str, |
+ const EVP_PKEY_ASN1_METHOD *ameth) |
+ { |
+ if (!ameth) |
+ return 0; |
+ if (ppkey_id) |
+ *ppkey_id = ameth->pkey_id; |
+ if (ppkey_base_id) |
+ *ppkey_base_id = ameth->pkey_base_id; |
+ if (ppkey_flags) |
+ *ppkey_flags = ameth->pkey_flags; |
+ if (pinfo) |
+ *pinfo = ameth->info; |
+ if (ppem_str) |
+ *ppem_str = ameth->pem_str; |
+ return 1; |
+ } |
+ |
+const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(EVP_PKEY *pkey) |
+ { |
+ return pkey->ameth; |
+ } |
+ |
+EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags, |
+ const char *pem_str, const char *info) |
+ { |
+ EVP_PKEY_ASN1_METHOD *ameth; |
+ ameth = OPENSSL_malloc(sizeof(EVP_PKEY_ASN1_METHOD)); |
+ if (!ameth) |
+ return NULL; |
+ |
+ ameth->pkey_id = id; |
+ ameth->pkey_base_id = id; |
+ ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC; |
+ |
+ if (info) |
+ { |
+ ameth->info = BUF_strdup(info); |
+ if (!ameth->info) |
+ goto err; |
+ } |
+ else |
+ ameth->info = NULL; |
+ |
+ if (pem_str) |
+ { |
+ ameth->pem_str = BUF_strdup(pem_str); |
+ if (!ameth->pem_str) |
+ goto err; |
+ } |
+ else |
+ ameth->pem_str = NULL; |
+ |
+ ameth->pub_decode = 0; |
+ ameth->pub_encode = 0; |
+ ameth->pub_cmp = 0; |
+ ameth->pub_print = 0; |
+ |
+ ameth->priv_decode = 0; |
+ ameth->priv_encode = 0; |
+ ameth->priv_print = 0; |
+ |
+ ameth->old_priv_encode = 0; |
+ ameth->old_priv_decode = 0; |
+ |
+ ameth->pkey_size = 0; |
+ ameth->pkey_bits = 0; |
+ |
+ ameth->param_decode = 0; |
+ ameth->param_encode = 0; |
+ ameth->param_missing = 0; |
+ ameth->param_copy = 0; |
+ ameth->param_cmp = 0; |
+ ameth->param_print = 0; |
+ |
+ ameth->pkey_free = 0; |
+ ameth->pkey_ctrl = 0; |
+ |
+ return ameth; |
+ |
+ err: |
+ |
+ EVP_PKEY_asn1_free(ameth); |
+ return NULL; |
+ |
+ } |
+ |
+void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst, |
+ const EVP_PKEY_ASN1_METHOD *src) |
+ { |
+ |
+ dst->pub_decode = src->pub_decode; |
+ dst->pub_encode = src->pub_encode; |
+ dst->pub_cmp = src->pub_cmp; |
+ dst->pub_print = src->pub_print; |
+ |
+ dst->priv_decode = src->priv_decode; |
+ dst->priv_encode = src->priv_encode; |
+ dst->priv_print = src->priv_print; |
+ |
+ dst->old_priv_encode = src->old_priv_encode; |
+ dst->old_priv_decode = src->old_priv_decode; |
+ |
+ dst->pkey_size = src->pkey_size; |
+ dst->pkey_bits = src->pkey_bits; |
+ |
+ dst->param_decode = src->param_decode; |
+ dst->param_encode = src->param_encode; |
+ dst->param_missing = src->param_missing; |
+ dst->param_copy = src->param_copy; |
+ dst->param_cmp = src->param_cmp; |
+ dst->param_print = src->param_print; |
+ |
+ dst->pkey_free = src->pkey_free; |
+ dst->pkey_ctrl = src->pkey_ctrl; |
+ |
+ } |
+ |
+void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth) |
+ { |
+ if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) |
+ { |
+ if (ameth->pem_str) |
+ OPENSSL_free(ameth->pem_str); |
+ if (ameth->info) |
+ OPENSSL_free(ameth->info); |
+ OPENSSL_free(ameth); |
+ } |
+ } |
+ |
+void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth, |
+ int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub), |
+ int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk), |
+ int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), |
+ int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, |
+ ASN1_PCTX *pctx), |
+ int (*pkey_size)(const EVP_PKEY *pk), |
+ int (*pkey_bits)(const EVP_PKEY *pk)) |
+ { |
+ ameth->pub_decode = pub_decode; |
+ ameth->pub_encode = pub_encode; |
+ ameth->pub_cmp = pub_cmp; |
+ ameth->pub_print = pub_print; |
+ ameth->pkey_size = pkey_size; |
+ ameth->pkey_bits = pkey_bits; |
+ } |
+ |
+void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth, |
+ int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf), |
+ int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk), |
+ int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, |
+ ASN1_PCTX *pctx)) |
+ { |
+ ameth->priv_decode = priv_decode; |
+ ameth->priv_encode = priv_encode; |
+ ameth->priv_print = priv_print; |
+ } |
+ |
+void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth, |
+ int (*param_decode)(EVP_PKEY *pkey, |
+ const unsigned char **pder, int derlen), |
+ int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder), |
+ int (*param_missing)(const EVP_PKEY *pk), |
+ int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from), |
+ int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), |
+ int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, |
+ ASN1_PCTX *pctx)) |
+ { |
+ ameth->param_decode = param_decode; |
+ ameth->param_encode = param_encode; |
+ ameth->param_missing = param_missing; |
+ ameth->param_copy = param_copy; |
+ ameth->param_cmp = param_cmp; |
+ ameth->param_print = param_print; |
+ } |
+ |
+void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth, |
+ void (*pkey_free)(EVP_PKEY *pkey)) |
+ { |
+ ameth->pkey_free = pkey_free; |
+ } |
+ |
+void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth, |
+ int (*pkey_ctrl)(EVP_PKEY *pkey, int op, |
+ long arg1, void *arg2)) |
+ { |
+ ameth->pkey_ctrl = pkey_ctrl; |
+ } |