Question about history of hash and cipher collections

Pehr Jansson pehr at
Mon Jan 14 19:59:18 CET 2008

Please remove me from this mailing list.

On Jan 14, 2008, at 11:24 AM, David Shaw wrote:

> On Mon, Jan 14, 2008 at 09:09:40AM -0800, Alan Olsen wrote:
>>> From: David Shaw
>>> Yes.  "gpg -v --version" will give you the algorithm numbers along
>>> with the algorithm names.  However, the algorithm numbers are not
>>> really relevant to anything unless you're writing OpenPGP software.
>>> For years now, all programs have referred to AES256 as "AES256"
>>> and not "cipher 9".
>> Version will not report it that way, but decryption errors will.
> Version does report it that way.
> $ gpg -v --version
> gpg (GnuPG) 1.4.7
> Copyright (C) 2006 Free Software Foundation, Inc.
> This program comes with ABSOLUTELY NO WARRANTY.
> This is free software, and you are welcome to redistribute it
> under certain conditions. See the file COPYING for details.
> Home: ~/.gnupg
> Supported algorithms:
> Pubkey: RSA, RSA-E, RSA-S, ELG-E, DSA
> Cipher: 3DES (S2), CAST5 (S3), BLOWFISH (S4), AES (S7), AES192 (S8),
>         AES256 (S9), TWOFISH (S10)
> Hash: MD5 (H1), SHA1 (H2), RIPEMD160 (H3), SHA256 (H8), SHA384 (H9),
>       SHA512 (H10), SHA224 (H11)
> Compression: Uncompressed (Z0), ZIP (Z1), ZLIB (Z2), BZIP2 (Z3)
> David
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