Strange SQL*Net Error

From: Stephen Turner <sturner_at_mit.edu>
Date: 1996/12/05
Message-ID: <32A75B70.3915@mit.edu>#1/1

Trying to connect to Oracle via SQL*Net on an Alpha running OSF/1 - getting error:

   TNS-12649: TNS:unknown encryption or data integrity algorithm

Anyone know what's going on? The sqlnet.log file contains this entry:

---

Fatal OSN connect error 12649, connecting to:

(DESCRIPTION=(ADDRESS=(PROTOCOL=beq)(PROGRAM=/dbmsu001/home/dba/oracle/product/7.1.4/bin/oracle)(ARGV0=oracleWHDEV1)(ARGS='(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))')(DETACH=NO))(CONNECT_DATA=(CID=(PROGRAM=)(HOST=virginia)(USER=wareuser))))  

  VERSION INFORMATION:

        TNS for DEC OSF/1 AXP: Version 2.2.3.0.0 - Production
        Oracle Bequeath NT Protocol Adapter for DEC OSF/1 AXP: Version

2.2.3.0.0 - Production
  Time: 05-DEC-96 18:26:46
  Tracing not turned on.
  Tns error struct:
    nr err code: 12206
    TNS-12206: TNS:received a TNS error during navigation     ns main err code: 12649
    TNS-12649: TNS:unknown encryption or data integrity algorithm     ns secondary err code: 0
    nt main err code: 0
    nt secondary err code: 0
    nt OS err code: 0 Received on Thu Dec 05 1996 - 00:00:00 CST