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