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RFC 3537 on Wrapping a Hashed Message Authentication Code (HMAC) key with a Triple-Data Encryption Standard (DES) Key or an Advanced Encryption Standard (AES) Key
A new Request for Comments is now available in online RFC libraries.
Title: Wrapping a Hashed Message Authentication Code
(HMAC) key with a Triple-Data Encryption Standard
(DES) Key or an Advanced Encryption Standard (AES)
Author(s): J. Schaad, R. Housley
Status: Standards Track
Date: May 2003
Mailbox: jimsch@xxxxxxxxxx, housley@xxxxxxxxxxxx
I-D Tag: draft-ietf-smime-hmac-key-wrap-02.txt
This document defines two methods for wrapping an HMAC (Hashed Message
Authentication Code) key. The first method defined uses a Triple DES
(Data Encryption Standard) key to encrypt the HMAC key. The second
method defined uses an AES (Advanced Encryption Standard) key to
encrypt the HMAC key. One place that such an algorithm is used is for
the Authenticated Data type in CMS (Cryptographic Message Syntax).
This document is a product of the S/MIME Mail Security Working Group of
This is now a Proposed Standard Protocol.
This document specifies an Internet standards track protocol for
the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the
"Internet Official Protocol Standards" (STD 1) for the
standardization state and status of this protocol. Distribution
of this memo is unlimited.
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Authors, for further information.
Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute
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