/*
- silcpkcs.c
+ silcpkcs.c
- Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+ Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2001 Pekka Riikonen
+ Copyright (C) 1997 - 2002 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
+ the Free Software Foundation; version 2 of the License.
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#include "rsa.h"
#include "pkcs1.h"
-/* List of all PKCS's in SILC. PKCS's don't support SIM's thus
- only static declarations are possible. XXX: I hope this to change
- real soon. */
-SilcPKCSObject silc_pkcs_list[] =
+/* The main SILC PKCS structure. */
+struct SilcPKCSStruct {
+ void *context;
+ SilcPKCSObject *pkcs;
+ SilcUInt32 key_len;
+};
+
+#ifndef SILC_EPOC
+/* Dynamically registered list of PKCS. */
+SilcDList silc_pkcs_list = NULL;
+#define SILC_PKCS_LIST silc_pkcs_list
+#else
+#define SILC_PKCS_LIST TRUE
+#endif /* SILC_EPOC */
+
+/* Static list of PKCS for silc_pkcs_register_default(). */
+const SilcPKCSObject silc_default_pkcs[] =
{
/* RSA with PKCS #1 (Uses directly routines from Raw RSA operations) */
- { "rsa", &silc_rsa_data_context,
+ { "rsa",
silc_rsa_init, silc_rsa_clear_keys, silc_rsa_get_public_key,
silc_rsa_get_private_key, silc_rsa_set_public_key,
silc_rsa_set_private_key, silc_rsa_context_len,
- silc_rsa_data_context_len, silc_rsa_set_arg,
silc_pkcs1_encrypt, silc_pkcs1_decrypt,
silc_pkcs1_sign, silc_pkcs1_verify },
/* Raw RSA operations */
- { "rsa-raw", &silc_rsa_data_context,
+ { "rsa-raw",
silc_rsa_init, silc_rsa_clear_keys, silc_rsa_get_public_key,
silc_rsa_get_private_key, silc_rsa_set_public_key,
silc_rsa_set_private_key, silc_rsa_context_len,
- silc_rsa_data_context_len, silc_rsa_set_arg,
silc_rsa_encrypt, silc_rsa_decrypt,
silc_rsa_sign, silc_rsa_verify },
NULL, NULL, NULL, NULL, NULL, NULL }
};
-/* Allocates a new SilcPKCS object. The new allocated object is returned
- to the 'new_pkcs' argument. This function also initializes the data
- context structure. Function returns 1 on success and 0 on error.
+/* Register a new PKCS into SILC. This is used at the initialization of
+ the SILC. */
-*/
-int silc_pkcs_alloc(const unsigned char *name, SilcPKCS *new_pkcs)
+bool silc_pkcs_register(const SilcPKCSObject *pkcs)
+{
+#ifndef SILC_EPOC
+ SilcPKCSObject *new;
+
+ SILC_LOG_DEBUG(("Registering new PKCS `%s'", pkcs->name));
+
+ new = silc_calloc(1, sizeof(*new));
+ new->name = strdup(pkcs->name);
+ new->init = pkcs->init;
+ new->clear_keys = pkcs->clear_keys;
+ new->get_public_key = pkcs->get_public_key;
+ new->get_private_key = pkcs->get_private_key;
+ new->set_public_key = pkcs->set_public_key;
+ new->set_private_key = pkcs->set_private_key;
+ new->context_len = pkcs->context_len;
+ new->encrypt = pkcs->encrypt;
+ new->decrypt = pkcs->decrypt;
+ new->sign = pkcs->sign;
+ new->verify = pkcs->verify;
+
+ /* Add to list */
+ if (silc_pkcs_list == NULL)
+ silc_pkcs_list = silc_dlist_init();
+ silc_dlist_add(silc_pkcs_list, new);
+
+#endif /* SILC_EPOC */
+ return TRUE;
+}
+
+/* Unregister a PKCS from the SILC. */
+
+bool silc_pkcs_unregister(SilcPKCSObject *pkcs)
+{
+#ifndef SILC_EPOC
+ SilcPKCSObject *entry;
+
+ SILC_LOG_DEBUG(("Unregistering PKCS"));
+
+ if (!silc_pkcs_list)
+ return FALSE;
+
+ silc_dlist_start(silc_pkcs_list);
+ while ((entry = silc_dlist_get(silc_pkcs_list)) != SILC_LIST_END) {
+ if (pkcs == SILC_ALL_PKCS || entry == pkcs) {
+ silc_dlist_del(silc_pkcs_list, entry);
+ silc_free(entry->name);
+ silc_free(entry);
+
+ if (silc_dlist_count(silc_pkcs_list) == 0) {
+ silc_dlist_uninit(silc_pkcs_list);
+ silc_pkcs_list = NULL;
+ }
+
+ return TRUE;
+ }
+ }
+
+#endif /* SILC_EPOC */
+ return FALSE;
+}
+
+/* Function that registers all the default PKCS (all builtin PKCS).
+ The application may use this to register the default PKCS if specific
+ PKCS in any specific order is not wanted. */
+
+bool silc_pkcs_register_default(void)
{
+#ifndef SILC_EPOC
int i;
- SILC_LOG_DEBUG(("Allocating new PKCS object"));
+ for (i = 0; silc_default_pkcs[i].name; i++)
+ silc_pkcs_register(&(silc_default_pkcs[i]));
- for (i = 0; silc_pkcs_list[i].name; i++) {
- if (!strcmp(silc_pkcs_list[i].name, name))
+#endif /* SILC_EPOC */
+ return TRUE;
+}
+
+bool silc_pkcs_unregister_all(void)
+{
+#ifndef SILC_EPOC
+ SilcPKCSObject *entry;
+
+ if (!silc_pkcs_list)
+ return FALSE;
+
+ silc_dlist_start(silc_pkcs_list);
+ while ((entry = silc_dlist_get(silc_pkcs_list)) != SILC_LIST_END) {
+ silc_pkcs_unregister(entry);
+ if (!silc_pkcs_list)
break;
}
+#endif /* SILC_EPOC */
+ return TRUE;
+}
- if (silc_pkcs_list[i].name == NULL)
- return FALSE;
+/* Allocates a new SilcPKCS object. The new allocated object is returned
+ to the 'new_pkcs' argument. */
- *new_pkcs = silc_calloc(1, sizeof(**new_pkcs));
+bool silc_pkcs_alloc(const unsigned char *name, SilcPKCS *new_pkcs)
+{
+ SilcPKCSObject *entry = NULL;
- /* Set the pointers */
- (*new_pkcs)->pkcs = &silc_pkcs_list[i];
- (*new_pkcs)->pkcs->data_context =
- silc_calloc(1, (*new_pkcs)->pkcs->data_context_len());
- (*new_pkcs)->context = silc_calloc(1, (*new_pkcs)->pkcs->context_len());
- (*new_pkcs)->get_key_len = silc_pkcs_get_key_len;
+ SILC_LOG_DEBUG(("Allocating new PKCS object"));
- return TRUE;
+#ifndef SILC_EPOC
+ if (silc_pkcs_list) {
+ silc_dlist_start(silc_pkcs_list);
+ while ((entry = silc_dlist_get(silc_pkcs_list)) != SILC_LIST_END) {
+ if (!strcmp(entry->name, name))
+ break;
+ }
+ }
+#else
+ {
+ /* On EPOC which don't have globals we check our constant hash list. */
+ int i;
+ for (i = 0; silc_default_pkcs[i].name; i++) {
+ if (!strcmp(silc_default_pkcs[i].name, name)) {
+ entry = (SilcPKCSObject *)&(silc_default_pkcs[i]);
+ break;
+ }
+ }
+ }
+#endif /* SILC_EPOC */
+
+ if (entry) {
+ *new_pkcs = silc_calloc(1, sizeof(**new_pkcs));
+ (*new_pkcs)->pkcs = entry;
+ (*new_pkcs)->context = silc_calloc(1, entry->context_len());
+ return TRUE;
+ }
+
+ return FALSE;
}
/* Free's the PKCS object */
void silc_pkcs_free(SilcPKCS pkcs)
{
- if (pkcs)
+ if (pkcs) {
+ pkcs->pkcs->clear_keys(pkcs->context);
silc_free(pkcs->context);
+ }
+ silc_free(pkcs);
}
/* Return TRUE if PKCS algorithm `name' is supported. */
int silc_pkcs_is_supported(const unsigned char *name)
{
- int i;
-
- if (!name)
- return FALSE;
-
- for (i = 0; silc_pkcs_list[i].name; i++) {
- if (!strcmp(silc_pkcs_list[i].name, name))
- return TRUE;
+#ifndef SILC_EPOC
+ SilcPKCSObject *entry;
+
+ if (silc_pkcs_list) {
+ silc_dlist_start(silc_pkcs_list);
+ while ((entry = silc_dlist_get(silc_pkcs_list)) != SILC_LIST_END) {
+ if (!strcmp(entry->name, name))
+ return TRUE;
+ }
}
-
+#else
+ {
+ int i;
+ for (i = 0; silc_default_pkcs[i].name; i++)
+ if (!strcmp(silc_default_pkcs[i].name, name))
+ return TRUE;
+ }
+#endif /* SILC_EPOC */
return FALSE;
}
/* Returns comma separated list of supported PKCS algorithms */
-char *silc_pkcs_get_supported()
+char *silc_pkcs_get_supported(void)
{
+ SilcPKCSObject *entry;
char *list = NULL;
- int i, len;
-
- len = 0;
- for (i = 0; silc_pkcs_list[i].name; i++) {
- len += strlen(silc_pkcs_list[i].name);
- list = silc_realloc(list, len + 1);
-
- memcpy(list + (len - strlen(silc_pkcs_list[i].name)),
- silc_pkcs_list[i].name, strlen(silc_pkcs_list[i].name));
- memcpy(list + len, ",", 1);
- len++;
+ int len = 0;
+
+#ifndef SILC_EPOC
+ if (silc_pkcs_list) {
+ silc_dlist_start(silc_pkcs_list);
+ while ((entry = silc_dlist_get(silc_pkcs_list)) != SILC_LIST_END) {
+ len += strlen(entry->name);
+ list = silc_realloc(list, len + 1);
+
+ memcpy(list + (len - strlen(entry->name)),
+ entry->name, strlen(entry->name));
+ memcpy(list + len, ",", 1);
+ len++;
+ }
+ }
+#else
+ {
+ int i;
+ for (i = 0; silc_default_pkcs[i].name; i++) {
+ entry = (SilcPKCSObject *)&(silc_default_pkcs[i]);
+ len += strlen(entry->name);
+ list = silc_realloc(list, len + 1);
+
+ memcpy(list + (len - strlen(entry->name)),
+ entry->name, strlen(entry->name));
+ memcpy(list + len, ",", 1);
+ len++;
+ }
}
+#endif /* SILC_EPOC */
list[len - 1] = 0;
return list;
}
+/* Generate new key pair into the `pkcs' context. */
+
+int silc_pkcs_generate_key(SilcPKCS pkcs, SilcUInt32 bits_key_len,
+ SilcRng rng)
+{
+ return pkcs->pkcs->init(pkcs->context, bits_key_len, rng);
+}
+
/* Returns the length of the key */
-uint32 silc_pkcs_get_key_len(SilcPKCS self)
+SilcUInt32 silc_pkcs_get_key_len(SilcPKCS pkcs)
+{
+ return pkcs->key_len;
+}
+
+const char *silc_pkcs_get_name(SilcPKCS pkcs)
{
- return self->key_len;
+ return pkcs->pkcs->name;
}
/* Returns SILC style public key */
-unsigned char *silc_pkcs_get_public_key(SilcPKCS pkcs, uint32 *len)
+unsigned char *silc_pkcs_get_public_key(SilcPKCS pkcs, SilcUInt32 *len)
{
return pkcs->pkcs->get_public_key(pkcs->context, len);
}
/* Returns SILC style private key */
-unsigned char *silc_pkcs_get_private_key(SilcPKCS pkcs, uint32 *len)
+unsigned char *silc_pkcs_get_private_key(SilcPKCS pkcs, SilcUInt32 *len)
{
return pkcs->pkcs->get_private_key(pkcs->context, len);
}
/* Sets public key from SilcPublicKey. */
-int silc_pkcs_public_key_set(SilcPKCS pkcs, SilcPublicKey public_key)
+SilcUInt32 silc_pkcs_public_key_set(SilcPKCS pkcs, SilcPublicKey public_key)
{
- return pkcs->pkcs->set_public_key(pkcs->context, public_key->pk,
- public_key->pk_len);
+ pkcs->key_len = pkcs->pkcs->set_public_key(pkcs->context, public_key->pk,
+ public_key->pk_len);
+ return pkcs->key_len;
}
/* Sets public key from data. */
-int silc_pkcs_public_key_data_set(SilcPKCS pkcs, unsigned char *pk,
- uint32 pk_len)
+SilcUInt32 silc_pkcs_public_key_data_set(SilcPKCS pkcs, unsigned char *pk,
+ SilcUInt32 pk_len)
{
- return pkcs->pkcs->set_public_key(pkcs->context, pk, pk_len);
+ pkcs->key_len = pkcs->pkcs->set_public_key(pkcs->context, pk, pk_len);
+ return pkcs->key_len;
}
/* Sets private key from SilcPrivateKey. */
/* Sets private key from data. */
int silc_pkcs_private_key_data_set(SilcPKCS pkcs, unsigned char *prv,
- uint32 prv_len)
+ SilcUInt32 prv_len)
{
return pkcs->pkcs->set_private_key(pkcs->context, prv, prv_len);
}
/* Encrypts */
-int silc_pkcs_encrypt(SilcPKCS pkcs, unsigned char *src, uint32 src_len,
- unsigned char *dst, uint32 *dst_len)
+int silc_pkcs_encrypt(SilcPKCS pkcs, unsigned char *src, SilcUInt32 src_len,
+ unsigned char *dst, SilcUInt32 *dst_len)
{
return pkcs->pkcs->encrypt(pkcs->context, src, src_len, dst, dst_len);
}
/* Decrypts */
-int silc_pkcs_decrypt(SilcPKCS pkcs, unsigned char *src, uint32 src_len,
- unsigned char *dst, uint32 *dst_len)
+int silc_pkcs_decrypt(SilcPKCS pkcs, unsigned char *src, SilcUInt32 src_len,
+ unsigned char *dst, SilcUInt32 *dst_len)
{
return pkcs->pkcs->decrypt(pkcs->context, src, src_len, dst, dst_len);
}
/* Generates signature */
-int silc_pkcs_sign(SilcPKCS pkcs, unsigned char *src, uint32 src_len,
- unsigned char *dst, uint32 *dst_len)
+int silc_pkcs_sign(SilcPKCS pkcs, unsigned char *src, SilcUInt32 src_len,
+ unsigned char *dst, SilcUInt32 *dst_len)
{
return pkcs->pkcs->sign(pkcs->context, src, src_len, dst, dst_len);
}
/* Verifies signature */
int silc_pkcs_verify(SilcPKCS pkcs, unsigned char *signature,
- uint32 signature_len, unsigned char *data,
- uint32 data_len)
+ SilcUInt32 signature_len, unsigned char *data,
+ SilcUInt32 data_len)
{
return pkcs->pkcs->verify(pkcs->context, signature, signature_len,
data, data_len);
/* Generates signature with hash. The hash is signed. */
int silc_pkcs_sign_with_hash(SilcPKCS pkcs, SilcHash hash,
- unsigned char *src, uint32 src_len,
- unsigned char *dst, uint32 *dst_len)
+ unsigned char *src, SilcUInt32 src_len,
+ unsigned char *dst, SilcUInt32 *dst_len)
{
unsigned char hashr[32];
- uint32 hash_len;
+ SilcUInt32 hash_len;
int ret;
silc_hash_make(hash, src, src_len, hashr);
- hash_len = hash->hash->hash_len;
+ hash_len = silc_hash_len(hash);
SILC_LOG_HEXDUMP(("Hash"), hashr, hash_len);
int silc_pkcs_verify_with_hash(SilcPKCS pkcs, SilcHash hash,
unsigned char *signature,
- uint32 signature_len,
+ SilcUInt32 signature_len,
unsigned char *data,
- uint32 data_len)
+ SilcUInt32 data_len)
{
unsigned char hashr[32];
- uint32 hash_len;
+ SilcUInt32 hash_len;
int ret;
silc_hash_make(hash, data, data_len, hashr);
- hash_len = hash->hash->hash_len;
+ hash_len = silc_hash_len(hash);
SILC_LOG_HEXDUMP(("Hash"), hashr, hash_len);
{
SilcBuffer buf;
char *identifier;
- uint32 len, tlen = 0;
+ SilcUInt32 len, tlen = 0;
if (!username || !host)
return NULL;
return identifier;
}
+/* Decodes the provided `identifier' and returns allocated context for
+ the identifier. */
+
+SilcPublicKeyIdentifier silc_pkcs_decode_identifier(char *identifier)
+{
+ SilcPublicKeyIdentifier ident;
+ char *cp, *item;
+ int len;
+
+ ident = silc_calloc(1, sizeof(*ident));
+
+ cp = identifier;
+ while (cp) {
+ len = strcspn(cp, ",");
+ if (len - 1 >= 0 && cp[len - 1] == '\\') {
+ while (cp) {
+ cp += len + 1;
+ len = strcspn(cp, ",") + len;
+ if (len - 1 >= 0 && cp[len - 1] != '\\')
+ break;
+ }
+ }
+
+ item = silc_calloc(len + 1, sizeof(char));
+ memcpy(item, cp, len);
+
+ if (strstr(item, "UN="))
+ ident->username = strdup(item + strcspn(cp, "=") + 1);
+ else if (strstr(item, "HN="))
+ ident->host = strdup(item + strcspn(cp, "=") + 1);
+ else if (strstr(item, "RN="))
+ ident->realname = strdup(item + strcspn(cp, "=") + 1);
+ else if (strstr(item, "E="))
+ ident->email = strdup(item + strcspn(cp, "=") + 1);
+ else if (strstr(item, "O="))
+ ident->org = strdup(item + strcspn(cp, "=") + 1);
+ else if (strstr(item, "C="))
+ ident->country = strdup(item + strcspn(cp, "=") + 1);
+
+ cp += len;
+ if (strlen(cp) == 0)
+ cp = NULL;
+ else
+ cp += 1;
+
+ if (item)
+ silc_free(item);
+ }
+
+ return ident;
+}
+
+/* Free's decoded public key identifier context. Call this to free the
+ context returned by the silc_pkcs_decode_identifier. */
+
+void silc_pkcs_free_identifier(SilcPublicKeyIdentifier identifier)
+{
+ silc_free(identifier->username);
+ silc_free(identifier->host);
+ silc_free(identifier->realname);
+ silc_free(identifier->email);
+ silc_free(identifier->org);
+ silc_free(identifier->country);
+ silc_free(identifier);
+}
+
/* Allocates SILC style public key formed from sent arguments. All data
is duplicated. */
-SilcPublicKey silc_pkcs_public_key_alloc(char *name, char *identifier,
- unsigned char *pk,
- uint32 pk_len)
+SilcPublicKey silc_pkcs_public_key_alloc(const char *name,
+ const char *identifier,
+ const unsigned char *pk,
+ SilcUInt32 pk_len)
{
SilcPublicKey public_key;
+ char *tmp = NULL;
public_key = silc_calloc(1, sizeof(*public_key));
- public_key->len = 4 + 2 + strlen(name) + 2 + strlen(identifier) + pk_len;
public_key->name = strdup(name);
- public_key->identifier = strdup(identifier);
public_key->pk_len = pk_len;
public_key->pk = silc_calloc(pk_len, sizeof(*public_key->pk));
memcpy(public_key->pk, pk, pk_len);
+ if (!silc_utf8_valid(identifier, strlen(identifier))) {
+ int len = silc_utf8_encoded_len(identifier, strlen(identifier), 0);
+ tmp = silc_calloc(len + 1, sizeof(*tmp));
+ silc_utf8_encode(identifier, strlen(identifier), 0, tmp, len);
+ identifier = tmp;
+ }
+
+ public_key->identifier = strdup(identifier);
+ public_key->len = 4 + 2 + strlen(name) + 2 + strlen(identifier) + pk_len;
+ silc_free(tmp);
+
return public_key;
}
/* Allocates SILC private key formed from sent arguments. All data is
duplicated. */
-SilcPrivateKey silc_pkcs_private_key_alloc(char *name, unsigned char *prv,
- uint32 prv_len)
+SilcPrivateKey silc_pkcs_private_key_alloc(const char *name,
+ const unsigned char *prv,
+ SilcUInt32 prv_len)
{
SilcPrivateKey private_key;
data. */
unsigned char *
-silc_pkcs_public_key_encode(SilcPublicKey public_key, uint32 *len)
+silc_pkcs_public_key_encode(SilcPublicKey public_key, SilcUInt32 *len)
{
SilcBuffer buf;
unsigned char *ret;
/* Encodes SILC style public key. Returns the encoded data. */
unsigned char *
-silc_pkcs_public_key_data_encode(unsigned char *pk, uint32 pk_len,
+silc_pkcs_public_key_data_encode(unsigned char *pk, SilcUInt32 pk_len,
char *pkcs, char *identifier,
- uint32 *len)
+ SilcUInt32 *len)
{
SilcBuffer buf;
unsigned char *ret;
- uint32 totlen;
+ SilcUInt32 totlen;
totlen = 4 + 2 + strlen(pkcs) + 2 + strlen(identifier) + pk_len;
buf = silc_buffer_alloc(totlen);
/* Decodes SILC style public key. Returns TRUE if the decoding was
successful. Allocates new public key as well. */
-int silc_pkcs_public_key_decode(unsigned char *data, uint32 data_len,
+int silc_pkcs_public_key_decode(unsigned char *data, SilcUInt32 data_len,
SilcPublicKey *public_key)
{
SilcBuffer buf;
SilcPKCS alg;
- uint16 pkcs_len, identifier_len;
- uint32 totlen, key_len;
+ SilcUInt16 pkcs_len, identifier_len;
+ SilcUInt32 totlen, key_len;
unsigned char *pkcs_name = NULL, *ident = NULL, *key_data = NULL;
int ret;
pkcs_len + identifier_len > totlen)
goto err;
- /* See if we support this algorithm */
- if (!silc_pkcs_is_supported(pkcs_name))
+ /* See if we support this algorithm (check only if PKCS are registered) */
+ if (SILC_PKCS_LIST && !silc_pkcs_is_supported(pkcs_name)) {
+ SILC_LOG_DEBUG(("Unknown PKCS %s", pkcs_name));
goto err;
+ }
/* Protocol says that at least UN and HN must be provided as identifier,
check for these. */
- if (!strstr(ident, "UN=") && !strstr(ident, "HN="))
+ if (!strstr(ident, "UN=") && !strstr(ident, "HN=")) {
+ SILC_LOG_DEBUG(("The public does not have the required UN= and HN= "
+ "identifiers"));
goto err;
+ }
/* Get key data. We assume that rest of the buffer is key data. */
silc_buffer_pull(buf, 2 + pkcs_len + 2 + identifier_len);
goto err;
/* Try to set the key. If this fails the key must be malformed. This
- code assumes that the PKCS routine checks the format of the key. */
- silc_pkcs_alloc(pkcs_name, &alg);
- if (!alg->pkcs->set_public_key(alg->context, key_data, key_len))
- goto err;
- silc_pkcs_free(alg);
+ code assumes that the PKCS routine checks the format of the key.
+ (check only if PKCS are registered) */
+ if (SILC_PKCS_LIST) {
+ silc_pkcs_alloc(pkcs_name, &alg);
+ if (!alg->pkcs->set_public_key(alg->context, key_data, key_len))
+ goto err;
+ silc_pkcs_free(alg);
+ }
if (public_key) {
*public_key = silc_calloc(1, sizeof(**public_key));
return FALSE;
}
+/* Compares two public keys and returns TRUE if they are same key, and
+ FALSE if they are not same. */
+
+bool silc_pkcs_public_key_compare(SilcPublicKey key1, SilcPublicKey key2)
+{
+ if (key1 == key2)
+ return TRUE;
+
+ if (key1->len == key2->len &&
+ key1->name && key2->name && key1->identifier && key2->identifier &&
+ !strcmp(key1->name, key2->name) &&
+ !strcmp(key1->identifier, key2->identifier) &&
+ !memcmp(key1->pk, key2->pk, key1->pk_len) &&
+ key1->pk_len == key2->pk_len)
+ return TRUE;
+
+ return FALSE;
+}
+
+/* Copies the public key indicated by `public_key' and returns new allocated
+ public key which is indentical to the `public_key'. */
+
+SilcPublicKey silc_pkcs_public_key_copy(SilcPublicKey public_key)
+{
+ SilcPublicKey key = silc_calloc(1, sizeof(*key));
+ if (!key)
+ return NULL;
+
+ key->len = public_key->len;
+ key->name = silc_memdup(public_key->name, strlen(public_key->name));
+ key->identifier = silc_memdup(public_key->identifier,
+ strlen(public_key->identifier));
+ key->pk = silc_memdup(public_key->pk, public_key->pk_len);
+ key->pk_len = public_key->pk_len;
+
+ return key;
+}
+
/* Encodes SILC private key from SilcPrivateKey. Returns the encoded data. */
unsigned char *
-silc_pkcs_private_key_encode(SilcPrivateKey private_key, uint32 *len)
+silc_pkcs_private_key_encode(SilcPrivateKey private_key, SilcUInt32 *len)
{
SilcBuffer buf;
unsigned char *ret;
- uint32 totlen;
+ SilcUInt32 totlen;
totlen = 2 + strlen(private_key->name) + private_key->prv_len;
buf = silc_buffer_alloc(totlen);
/* Encodes SILC private key. Returns the encoded data. */
unsigned char *
-silc_pkcs_private_key_data_encode(unsigned char *prv, uint32 prv_len,
- char *pkcs, uint32 *len)
+silc_pkcs_private_key_data_encode(unsigned char *prv, SilcUInt32 prv_len,
+ char *pkcs, SilcUInt32 *len)
{
SilcBuffer buf;
unsigned char *ret;
- uint32 totlen;
+ SilcUInt32 totlen;
totlen = 2 + strlen(pkcs) + prv_len;
buf = silc_buffer_alloc(totlen);
/* Decodes SILC style public key. Returns TRUE if the decoding was
successful. Allocates new private key as well. */
-int silc_pkcs_private_key_decode(unsigned char *data, uint32 data_len,
+int silc_pkcs_private_key_decode(unsigned char *data, SilcUInt32 data_len,
SilcPrivateKey *private_key)
{
SilcBuffer buf;
SilcPKCS alg;
- uint16 pkcs_len;
- uint32 key_len;
+ SilcUInt16 pkcs_len;
+ SilcUInt32 key_len;
unsigned char *pkcs_name = NULL, *key_data = NULL;
int ret;
if (pkcs_len < 1 || pkcs_len > buf->truelen)
goto err;
- /* See if we support this algorithm */
- if (!silc_pkcs_is_supported(pkcs_name))
+ /* See if we support this algorithm (check only if PKCS are registered). */
+ if (SILC_PKCS_LIST && !silc_pkcs_is_supported(pkcs_name)) {
+ SILC_LOG_DEBUG(("Unknown PKCS `%s'", pkcs_name));
goto err;
+ }
/* Get key data. We assume that rest of the buffer is key data. */
silc_buffer_pull(buf, 2 + pkcs_len);
goto err;
/* Try to set the key. If this fails the key must be malformed. This
- code assumes that the PKCS routine checks the format of the key. */
- silc_pkcs_alloc(pkcs_name, &alg);
- if (!alg->pkcs->set_private_key(alg->context, key_data, key_len))
- goto err;
- silc_pkcs_free(alg);
+ code assumes that the PKCS routine checks the format of the key.
+ (check only if PKCS are registered) */
+ if (SILC_PKCS_LIST) {
+ silc_pkcs_alloc(pkcs_name, &alg);
+ if (!alg->pkcs->set_private_key(alg->context, key_data, key_len))
+ goto err;
+ silc_pkcs_free(alg);
+ }
if (private_key) {
*private_key = silc_calloc(1, sizeof(**private_key));
static int silc_pkcs_save_public_key_internal(char *filename,
unsigned char *data,
- uint32 data_len,
- uint32 encoding)
+ SilcUInt32 data_len,
+ SilcUInt32 encoding)
{
SilcBuffer buf;
- uint32 len;
+ SilcUInt32 len;
switch(encoding) {
case SILC_PKCS_FILE_BIN:
break;
case SILC_PKCS_FILE_PEM:
- data = silc_encode_pem_file(data, data_len);
+ data = silc_pem_encode_file(data, data_len);
data_len = strlen(data);
break;
}
SILC_STR_END);
/* Save into file */
- if (silc_file_write(filename, buf->data, buf->len)) {
+ if (silc_file_writefile(filename, buf->data, buf->len)) {
silc_buffer_free(buf);
return FALSE;
}
/* Saves public key into file */
int silc_pkcs_save_public_key(char *filename, SilcPublicKey public_key,
- uint32 encoding)
+ SilcUInt32 encoding)
{
unsigned char *data;
- uint32 data_len;
+ SilcUInt32 data_len;
data = silc_pkcs_public_key_encode(public_key, &data_len);
return silc_pkcs_save_public_key_internal(filename, data, data_len,
/* Saves public key into file */
int silc_pkcs_save_public_key_data(char *filename, unsigned char *data,
- uint32 data_len,
- uint32 encoding)
+ SilcUInt32 data_len,
+ SilcUInt32 encoding)
{
return silc_pkcs_save_public_key_internal(filename, data, data_len,
encoding);
static int silc_pkcs_save_private_key_internal(char *filename,
unsigned char *data,
- uint32 data_len,
- uint32 encoding)
+ SilcUInt32 data_len,
+ SilcUInt32 encoding)
{
SilcBuffer buf;
- uint32 len;
+ SilcUInt32 len;
switch(encoding) {
case SILC_PKCS_FILE_BIN:
break;
case SILC_PKCS_FILE_PEM:
- data = silc_encode_pem_file(data, data_len);
+ data = silc_pem_encode_file(data, data_len);
data_len = strlen(data);
break;
}
SILC_STR_END);
/* Save into a file */
- if (silc_file_write_mode(filename, buf->data, buf->len, 0600)) {
+ if (silc_file_writefile_mode(filename, buf->data, buf->len, 0600)) {
silc_buffer_free(buf);
return FALSE;
}
int silc_pkcs_save_private_key(char *filename, SilcPrivateKey private_key,
unsigned char *passphrase,
- uint32 encoding)
+ SilcUInt32 encoding)
{
unsigned char *data;
- uint32 data_len;
+ SilcUInt32 data_len;
data = silc_pkcs_private_key_encode(private_key, &data_len);
return silc_pkcs_save_private_key_internal(filename, data, data_len,
/* XXX The buffer should be encrypted if passphrase is provided. */
int silc_pkcs_save_private_key_data(char *filename, unsigned char *data,
- uint32 data_len,
+ SilcUInt32 data_len,
unsigned char *passphrase,
- uint32 encoding)
+ SilcUInt32 encoding)
{
return silc_pkcs_save_private_key_internal(filename, data, data_len,
encoding);
is loading was successful. */
int silc_pkcs_load_public_key(char *filename, SilcPublicKey *public_key,
- uint32 encoding)
+ SilcUInt32 encoding)
{
unsigned char *cp, *old, *data, byte;
- uint32 i, data_len, len;
+ SilcUInt32 i, data_len, len;
- old = data = silc_file_read(filename, &data_len);
+ old = data = silc_file_readfile(filename, &data_len);
if (!data)
return FALSE;
if (byte != SILC_PKCS_PUBLIC_KEYFILE_BEGIN[i]) {
memset(old, 0, data_len);
silc_free(old);
+ return FALSE;
}
}
data = cp;
case SILC_PKCS_FILE_BIN:
break;
case SILC_PKCS_FILE_PEM:
- data = silc_decode_pem(data, len, &len);
+ data = silc_pem_decode(data, len, &len);
+ memset(old, 0, data_len);
+ silc_free(old);
+ old = data;
+ data_len = len;
break;
}
/* XXX Should support encrypted private key files */
int silc_pkcs_load_private_key(char *filename, SilcPrivateKey *private_key,
- uint32 encoding)
+ SilcUInt32 encoding)
{
unsigned char *cp, *old, *data, byte;
- uint32 i, data_len, len;
+ SilcUInt32 i, data_len, len;
- old = data = silc_file_read(filename, &data_len);
+ old = data = silc_file_readfile(filename, &data_len);
if (!data)
return FALSE;
if (byte != SILC_PKCS_PRIVATE_KEYFILE_BEGIN[i]) {
memset(old, 0, data_len);
silc_free(old);
+ return FALSE;
}
}
data = cp;
case SILC_PKCS_FILE_BIN:
break;
case SILC_PKCS_FILE_PEM:
- data = silc_decode_pem(data, len, &len);
+ data = silc_pem_decode(data, len, &len);
break;
}
projects / silc.git / blobdiff