decrypt : primary key or subkey ?

3 msg	Verifying Signatures in a Script

decrypt : primary key or subkey ?
\ Bruno Costacurta (6 Jun 2007)
. \ David SMITH (6 Jun 2007)
. . \ Bruno Costacurta (6 Jun 2007)
. . . \ David SMITH (6 Jun 2007)
. . . . \ Bruno Costacurta (6 Jun 2007)
. . . . . \ David SMITH (7 Jun 2007)
. . . . . . \ Bruno Costacurta (7 Jun 2007)
. . . . . . . \ David SMITH (7 Jun 2007)
. . . . . . . . \ Bruno Costacurta (13 Jun 2007)
. . . . . . . . . \ David Shaw (13 Jun 2007)
. . . . . . . . . . \ Bruno Costacurta (14 Jun 2007)
. . . . . . . \ Charly Avital (7 Jun 2007)
. . . . . . . . \ Bruno Costacurta (13 Jun 2007)
. \ Charly Avital (6 Jun 2007)
. . \ Bruno Costacurta (7 Jun 2007)

1 msg	Unerwartetes IPC Kommando
3 msg	initial GnuPG install?
1 msg	Re: gpg and cron
2 msg	[Fwd: Re: decrypt and secret key location]
1 msg	Problem decrypting a mail with an OpenPGP card
3 msg	Question about check command
4 msg	decrypt and secret key location
2 msg	PLEASE UNSUSCRIBE ME
6 msg	Can't generate new keys
1 msg	new (2007-05-27) keyanalyze results (+sigcheck)
2 msg	SmartCards and Debian Lenny
10 msg	setting expiration dates
4 msg	Re-establish keys
3 msg	Windows commandline abnormality
2 msg	gpg and crpn
2 msg	Several questions about SmartCards
1 msg	Having trouble building rpm of 1.4.7
15 msg	Can't run GPG --recv-keys under Windows Vista.

Subject:	decrypt : primary key or subkey ?
Group:	Gnupg-users
From:	Bruno Costacurta
Date:	6 Jun 2007

Hello,
I'm not able to decrpyt message as I received hereafter message about using
subkey instead of primary key.

Is this correct ? Could it be the problem relies on the usage of this subkey ?
If yes, how to manage my keyring regarding this
subkey (which is obviously used for en/decrypting not for signing) to be able
to decrypt ?

gpg -v -v --decrypt msg.asc
gpg: armor: BEGIN PGP MESSAGE
gpg: armor header: Version: GnuPG v1.4.6 (GNU/Linux)
:pubkey enc packet: version 3, algo 16, keyid 42531C9A0CC897B5
data: [2048 bits]
data: [2048 bits]
gpg: public key is 0CC897B5
:encrypted data packet:
length: unknown
mdc_method: 2
gpg: using subkey 0CC897B5 instead of primary key 2E604D51
gpg: encrypted with 2048-bit ELG-E key, ID 0CC897B5, created 2006-06-11
"Bruno Costacurta <bruno>"
gpg: decryption failed: secret key not available

Bye,
Bruno

--
PGP key ID: 0x2e604d51
Key : http://www.costacurta.org/keys/bruno_costacurta_pgp_key.html
Key fingerprint = 713F 7956 9441 7DEF 58ED 1951 7E07 569B 2E60 4D51
--

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