Mercurial > dropbear

diff ocb_decrypt.c @ 15:6362d3854bb4 libtomcrypt-orig

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0.96 release of LibTomCrypt
author Matt Johnston <matt@ucc.asn.au>
date Tue, 15 Jun 2004 14:07:21 +0000
parents 7faae8f46238
children
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--- a/ocb_decrypt.c	Mon May 31 18:25:41 2004 +0000
+++ b/ocb_decrypt.c	Tue Jun 15 14:07:21 2004 +0000
@@ -22,9 +22,14 @@
    _ARGCHK(ocb != NULL);
    _ARGCHK(pt  != NULL);
    _ARGCHK(ct  != NULL);
+
+   /* check if valid cipher */
    if ((err = cipher_is_valid(ocb->cipher)) != CRYPT_OK) {
       return err;
    }
+   _ARGCHK(cipher_descriptor[ocb->cipher].ecb_decrypt != NULL);
+   
+   /* check length */
    if (ocb->block_len != cipher_descriptor[ocb->cipher].block_length) {
       return CRYPT_INVALID_ARG;
    }