java - PGP signature format reader -

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in project need verify pgp clear signed signatures using corresponding public key. while did manage find code (for example: https://github.com/cjmalloy/openbitpub/blob/64485d64a699eb6096f01b27d5f7e51dd726602f/src/main/java/com/cjmalloy/obp/server/pgp/pgputil.java), operates on low level , looks pretty horrible.

i thinking, perhaps there exist specialized parsers can consume -----begin pgp public key block-----xxx-----end pgp public key block----- , -----begin pgp signed message-----xxx-----begin pgp signature-----xxx-----end pgp signature----- blocks can check signatures in more declarative way?

i've found related pemreader class bouncycastle.openssl package nothing pgp-related far.

i thinking, perhaps there exist specialized parsers can consume -----begin pgp public key block-----xxx-----end pgp public key block----- , -----begin pgp signed message-----xxx-----begin pgp signature-----xxx-----end pgp signature----- blocks can check signatures in more declarative way?

a parser not enough @ -- need implement lots of openpgp-specific functions symmetric key derivation strings (for encrypted keys), handling of different types of assymetric cryptography algorithms, hash sums, different kinds of packet nesting, ... -- @ least you're not required implement openpgp cbc mode deriate don't require encryption (only signatures).

openpgp much complicated write own parser , crypto code, rely on existing libraries instead. in end, java you've got 2 possible roads follow:

i've found related pemreader class bouncycastle.openssl package nothing pgp-related far.

you looked in wrong bouncycastle package. openpgp not use keys in pem format (which belongs x.509 standard), class not useful @ all.


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