src/crypto/rfc3961/copy.c

   1 /* A couple of copying functions which are required by the Heimdal crypto code,
   2  * but where pulling in the whole Heimdal source file containing them leads
   3  * to unecessary complexity */
   4
   5 #include <krb5_locl.h>
   6
   7 int
   8 der_copy_octet_string (const krb5_data *from, krb5_data *to)
   9 {
  10     to->length = from->length;
  11     to->data   = malloc(to->length);
  12     if(to->length != 0 && to->data == NULL)
  13         return ENOMEM;
  14     memcpy(to->data, from->data, to->length);
  15     return 0;
  16 }
  17
  18 int
  19 copy_EncryptionKey(const krb5_keyblock *from, krb5_keyblock *to)
  20 {
  21     memset(to, 0, sizeof(*to));
  22     to->keytype = from->keytype;
  23     return der_copy_octet_string(&from->keyvalue, &to->keyvalue);
  24 }
  25
  26 void
  27 free_Checksum(Checksum *data)
  28 {
  29     krb5_data_free(&data->checksum);
  30 }