263.5. 单个 PGP 数据格式的多个签名

 PGPDataFormat pgpSignAndEncryptSeveralSignerKeys = new PGPDataFormat();
 pgpSignAndEncryptSeveralSignerKeys.setKeyUserid(keyUserid); // for encrypting, you can also use setKeyUserids if you want to encrypt with several keys
 pgpSignAndEncryptSeveralSignerKeys.setKeyFileName(keyfileName);
 pgpSignAndEncryptSeveralSignerKeys.setSignatureKeyFileName(signatgureKeyfileName);
 pgpSignAndEncryptSeveralSignerKeys.setSignaturePassword("sdude"); // here we assume that all private keys have the same password, if this is not the case then you can use setPassphraseAccessor

 List<String> signerUserIds = new ArrayList<String>();
 signerUserIds.add("company old key");
 signerUserIds.add("company new key");
 pgpSignAndEncryptSeveralSignerKeys.setSignatureKeyUserids(signerUserIds);

from("direct:start")
         ...
        .marshal(pgpSignAndEncryptSeveralSignerKeys)
        ...