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tool to calculate KEYIDs from keys

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This commit is contained in:
Martin Willi 2008-05-13 13:57:42 +00:00
parent 7af8995cde
commit 6e8840981d
1 changed files with 77 additions and 0 deletions
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77
scripts/key2keyid.c Normal file
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#include <stdio.h>
#include <library.h>
#include <debug.h>
static void dbg_stderr(int level, char *fmt, ...)
{
}
/**
* print the keyids of a private or public key
*/
int main(int argc, char *argv[])
{
public_key_t *public;
private_key_t *private;
chunk_t chunk;
char buf[8096];
int read;
dbg = dbg_stderr;
library_init(NULL);
lib->plugins->load(lib->plugins, "/usr/local/libexec/ipsec/plugins", "libstrongswan-");
atexit(library_deinit);
read = fread(buf, 1, sizeof(buf), stdin);
if (read <= 0)
{
fprintf(stderr, "reading key failed.\n");
return -1;
}
chunk = chunk_create(buf, read);
private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
BUILD_BLOB_ASN1_DER, chunk_clone(chunk),
BUILD_END);
if (private)
{
printf("parsed %d bits %N private key.\n",
private->get_keysize(private)*8,
key_type_names, private->get_type(private));
printf("%N is:\t %D\n", id_type_names, ID_PUBKEY_INFO_SHA1,
private->get_id(private, ID_PUBKEY_INFO_SHA1));
printf("%N is:\t %D\n", id_type_names, ID_PUBKEY_SHA1,
private->get_id(private, ID_PUBKEY_SHA1));
private->destroy(private);
return 0;
}
public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
BUILD_BLOB_ASN1_DER, chunk_clone(chunk),
BUILD_END);
if (!public)
{
public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_RSA,
BUILD_BLOB_ASN1_DER, chunk_clone(chunk),
BUILD_END);
}
if (public)
{
printf("parsed %d bits %N public key.\n",
public->get_keysize(public)*8,
key_type_names, public->get_type(public));
printf("%N is:\t %D\n", id_type_names, ID_PUBKEY_INFO_SHA1,
public->get_id(public, ID_PUBKEY_INFO_SHA1));
printf("%N is:\t %D\n", id_type_names, ID_PUBKEY_SHA1,
public->get_id(public, ID_PUBKEY_SHA1));
public->destroy(public);
return 0;
}
fprintf(stderr, "unable to parse input key.\n");
return -1;
}