Recently I was provided with the keypair at the bottom of this email
(passphrase: google). It does not properly import into Openpgp.js After
working on it for awhile, what it appears to be is that the S2K is not
working. In this case we have symmetricEncryptionAlgorithm 9 (AES256), and
hash algorithm 2 (SHA1).
In openpgp.packet.keymaterial:decryptSecretMPIs I think case 7/8/9 need to
be changed.
case 9: // - AES with 256-bit key
var isp = this.s2k.saltValue+str_passphrase;
while (isp.length < this.s2k.count)
isp += this.s2k.saltValue+str_passphrase;
if (isp.length > this.s2k.count)
isp = isp.substr(0, this.s2k.count);
key = key + str_sha1(String.fromCharCode(0)+isp).substring(0,12); //RFC
4880 3.7.1.1 -- hash size is greater than block size, use leftmost bits.
For >16 bytes, we need to rehash isp and prepend with 0.
cleartextMPIs = normal_cfb_decrypt(function(block,key){
return util.bin2str(AESencrypt(util.str2bin(block),key));
},
this.IVLength, keyExpansion(key), this.encryptedMPIData, this.IV);
break;
case 10: // - Twofish with 256-bit key [TWOFISH]
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Version: PGP Desktop 9.8.3 (Build 4028) - not licensed for commercial
use: www.pgp.com
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-----END PGP PRIVATE KEY BLOCK-----
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: PGP Desktop 9.8.3 (Build 4028) - not licensed for commercial
use: www.pgp.com
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-----END PGP PUBLIC KEY BLOCK-----
_______________________________________________
http://openpgpjs.org
