Save a copy of the ciphertext from the kdc rather than trying to decrypt the already decrypted text each time through the loop. To generate a diff of this commit: cvs diff -r1.180 -r1.181 krb5/src/lib/krb4/ChangeLog cvs diff -r1.17 -r1.18 krb5/src/lib/krb4/g_in_tkt.c