scripts/key2keyid.c

   1
   2 #include <stdio.h>
   3 #include <library.h>
   4 #include <debug.h>
   5
   6 static void dbg_stderr(int level, char *fmt, ...)
   7 {
   8
   9 }
  10
  11 /**
  12  * print the keyids of a private or public key
  13  */
  14 int main(int argc, char *argv[])
  15 {
  16         public_key_t *public;
  17         private_key_t *private;
  18         chunk_t chunk;
  19         char buf[8096];
  20         int read;
  21
  22         //dbg = dbg_stderr;
  23
  24         library_init(NULL);
  25         lib->plugins->load(lib->plugins, "/usr/local/libexec/ipsec/plugins", "gmp pubkey sha1");
  26         atexit(library_deinit);
  27
  28         read = fread(buf, 1, sizeof(buf), stdin);
  29         if (read <= 0)
  30         {
  31                 fprintf(stderr, "reading key failed.\n");
  32                 return -1;
  33         }
  34
  35         chunk = chunk_create(buf, read);
  36
  37         private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, KEY_RSA,
  38                                                                  BUILD_BLOB_ASN1_DER, chunk_clone(chunk),
  39                                                                  BUILD_END);
  40         if (private)
  41         {
  42                 printf("parsed %d bits %N private key.\n",
  43                            private->get_keysize(private)*8,
  44                            key_type_names, private->get_type(private));
  45                 printf("%N is:\t %D\n", id_type_names, ID_PUBKEY_INFO_SHA1,
  46                            private->get_id(private, ID_PUBKEY_INFO_SHA1));
  47                 printf("%N is:\t %D\n", id_type_names, ID_PUBKEY_SHA1,
  48                            private->get_id(private, ID_PUBKEY_SHA1));
  49                 private->destroy(private);
  50                 return 0;
  51         }
  52
  53         public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
  54                                                                 BUILD_BLOB_ASN1_DER, chunk_clone(chunk),
  55                                                                 BUILD_END);
  56         if (!public)
  57         {
  58                 public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_RSA,
  59                                                                         BUILD_BLOB_ASN1_DER, chunk_clone(chunk),
  60                                                                         BUILD_END);
  61         }
  62         if (public)
  63         {
  64                 printf("parsed %d bits %N public key.\n",
  65                            public->get_keysize(public)*8,
  66                            key_type_names, public->get_type(public));
  67                 printf("%N is:\t %D\n", id_type_names, ID_PUBKEY_INFO_SHA1,
  68                            public->get_id(public, ID_PUBKEY_INFO_SHA1));
  69                 printf("%N is:\t %D\n", id_type_names, ID_PUBKEY_SHA1,
  70                            public->get_id(public, ID_PUBKEY_SHA1));
  71                 public->destroy(public);
  72                 return 0;
  73         }
  74
  75         fprintf(stderr, "unable to parse input key.\n");
  76         return -1;
  77 }
  78