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-rw-r--r--attic/historic/anode/libanode/identity.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/attic/historic/anode/libanode/identity.c b/attic/historic/anode/libanode/identity.c
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+++ b/attic/historic/anode/libanode/identity.c
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+/* libanode: the Anode C reference implementation
+ * Copyright (C) 2009-2010 Adam Ierymenko <adam.ierymenko@gmail.com>
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "impl/types.h"
+#include "impl/ec.h"
+#include "impl/misc.h"
+#include "anode.h"
+
+int AnodeIdentity_generate(AnodeIdentity *identity,const AnodeZone *zone,enum AnodeAddressType type)
+{
+ struct AnodeECKeyPair kp;
+
+ switch(type) {
+ case ANODE_ADDRESS_ANODE_256_40:
+ if (!AnodeECKeyPair_generate(&kp))
+ return ANODE_ERR_OUT_OF_MEMORY;
+
+ identity->address.bits[0] = (unsigned char)ANODE_ADDRESS_ANODE_256_40;
+
+ identity->address.bits[1] = zone->bits[0];
+ identity->address.bits[2] = zone->bits[1];
+ identity->address.bits[3] = zone->bits[2];
+ identity->address.bits[4] = zone->bits[3];
+
+ identity->address.bits[5] = 0;
+ identity->address.bits[6] = 0;
+
+ Anode_memcpy((void *)&(identity->address.bits[7]),(const void *)kp.pub.key,ANODE_EC_PUBLIC_KEY_BYTES);
+ Anode_memcpy((void *)identity->secret,(const void *)kp.priv.key,kp.priv.bytes);
+
+ AnodeAddress_calc_short_id(&identity->address,&identity->address_id);
+
+ AnodeECKeyPair_destroy(&kp);
+
+ return 0;
+ }
+
+ return ANODE_ERR_INVALID_ARGUMENT;
+}
+
+int AnodeIdentity_to_string(const AnodeIdentity *identity,char *dest,int dest_len)
+{
+ char hexbuf[128];
+ char strbuf[128];
+ int n;
+
+ if ((n = AnodeAddress_to_string(&identity->address,strbuf,sizeof(strbuf))) <= 0)
+ return n;
+
+ switch(AnodeAddress_get_type(&identity->address)) {
+ case ANODE_ADDRESS_ANODE_256_40:
+ Anode_to_hex((const unsigned char *)identity->secret,ANODE_ADDRESS_SECRET_LENGTH_ANODE_256_40,hexbuf,sizeof(hexbuf));
+ n = snprintf(dest,dest_len,"ANODE-256-40:%s:%s",strbuf,hexbuf);
+ if (n >= dest_len)
+ return ANODE_ERR_BUFFER_TOO_SMALL;
+ return n;
+ }
+
+ return ANODE_ERR_INVALID_ARGUMENT;
+}
+
+int AnodeIdentity_from_string(AnodeIdentity *identity,const char *str)
+{
+ char buf[1024];
+ char *id_name;
+ char *address;
+ char *secret;
+ int ec;
+
+ Anode_str_copy(buf,str,sizeof(buf));
+
+ id_name = buf;
+ if (!id_name) return 0;
+ if (!*id_name) return 0;
+ address = (char *)Anode_strchr(id_name,':');
+ if (!address) return 0;
+ if (!*address) return 0;
+ *(address++) = (char)0;
+ secret = (char *)Anode_strchr(address,':');
+ if (!secret) return 0;
+ if (!*secret) return 0;
+ *(secret++) = (char)0;
+
+ if (Anode_strcaseeq("ANODE-256-40",id_name)) {
+ if ((ec = AnodeAddress_from_string(address,&identity->address)))
+ return ec;
+ if (Anode_strlen(secret) != (ANODE_ADDRESS_SECRET_LENGTH_ANODE_256_40 * 2))
+ return ANODE_ERR_INVALID_ARGUMENT;
+ Anode_from_hex(secret,(unsigned char *)identity->secret,sizeof(identity->secret));
+ AnodeAddress_calc_short_id(&identity->address,&identity->address_id);
+ return 0;
+ }
+
+ return ANODE_ERR_INVALID_ARGUMENT;
+}