I'm using bouncycastle to access my public keys in gpg. Currently the public key, when read to base64 gives me this: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I thought that this should be a length 4096 RSA key but it's the wrong length. What I really want to do is to use this public key to verify a signature. Would anyone be able be help shed some light on what format this is?