Thanks for the fast response!
But I don't want to send both the private and the public key to the
client. It would
easily defeat any security.
> You should use
>
> signAndEncryptMessage
>
> http://openpgpjs.org/openpgpjs/doc/openpgp.js.html#line93
>
> If you want to encrypt - you need public key of the recipient, if you want to
> decrypt -
> your private key;
> If you want to sign - your private key. If you want to verify signature -
> public key of
> the sender.
>
> W dniu 18.08.2015 o 23:09, Bruno Barberi Gnecco pisze:
>> Hi,
>>
>> I posted this as an issue but it seems more appropriate to this list.
>>
>> Is it possible to encrypt with a private key and decrypt with a public key?
>> I want to send
>> data that is guaranteed to be from a sender and I'd rather not send it as
>> clear text, so
>> just signClearMessage() is not an option. decryptAndVerifyMessage() requires
>> both the
>> public and private keys, so also not an option.
>>
>> I can encrypt with a private key easily:
>>
>> var publicKey = openpgp.key.readArmored(fs.readFileSync('public.key',
>> 'utf-8'));
>> var privateKey = openpgp.key.readArmored(fs.readFileSync('private.key',
>> 'utf-8')).keys[0];
>> privateKey.decrypt(PASSPHRASE);
>> openpgp.encryptMessage(privateKey, text).then(function(pgpMessage){ //
>> yes, private });
>>
>> But trying to decrypt with a public key does not work. This returns Error:
>> Private key is
>> not decrypted.
>>
>> pgpMessage = openpgp.message.readArmored(pgpMessage);
>> openpgp.decryptMessage(publicKey.keys[0],
>> pgpMessage).then(function(plain) {
>> ....
>> });
>>
>> But publicKey.keys[0].decrypt(PASSPHRASE) throw Error: Nothing to decrypt in
>> a public key.
>>
>> Any tips?
>>
>> _______________________________________________
>>
>> http://openpgpjs.org
>> Subscribe/unsubscribe:http://list.openpgpjs.org
>
>
> --
> Paweł Górny
> mailto:[email protected] http://pawelgorny.com
> * only way to feel the noise is when it's good and loud *
>
> In reply please use the key: 0xF0F72044
>
>
>
> _______________________________________________
>
> http://openpgpjs.org
> Subscribe/unsubscribe: http://list.openpgpjs.org
>
--
Bruno Barberi Gnecco <[email protected]>
Corollarium Tecnologia - Solutions for high performance data visualization
http://www.corollarium.com/ - +55 11 4165-2936 - Skype: bruno.bg
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