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Projects Cryptographic Algorithm Validation Program

Cryptographic Algorithm Validation Program CAVP

Implementation Name
Subscriber Encryption Module DES
Description
This is the E.F. Johnson implementation of the DES algorithm. The modes of operation for this implementation are OFB, ECB, CBC and DES 1 bit CFB with differential encoding and decoding. This algorithm is used in the E.F. Johnson mobile and portable radios.
Version
3.3 (Firmware)
Type
SOFTWARE
Vendor
E.F. Johnson
123 N. State Street
Waseca, MN 56093
USA
Contacts
John Oblak
[email protected]
507-837-5116
Fax: 507-837-5120

DES 253

   First Validated: 4/19/2004
Operating Environment Algorithm Capabilities
E. F. Johnson Portable Radios DES CBC: Expand
E. F. Johnson Portable Radios DES CFB1: Expand
E. F. Johnson Portable Radios DES ECB: Expand
E. F. Johnson Portable Radios DES OFB: Expand

Created October 05, 2016, Updated September 22, 2026