Verifying Signatures

The process to verify a signature is similar to signing data. First you need to make sure the public key is loaded into the server (if the private key is, the public is as well) or it is available in the specified SKS Server and then encode the test data in Base64 format and POST the following payload to /remoteSigner/gpg/verifySignature

{
  "Base64Data": "VGVycmlibGUgQ29ubmVjdGlvbnMgbGVhZCB0byBUZXJyaWJsZSBVc2Vycwo=",
  "signature":"-----BEGIN PGP SIGNATURE-----\nVersion: BCPG C# v1.8.1.0\n\niQIcBAABCgAGBQJaalMSAAoJENc2K0zFRtsRuxEQAKPz46GpBYvZY99dqfylo/ux\nOcbFx0U/jWnXACEsz4KbfIaKqTNQLNOApt7vC+PTeK18Bx3i6lLDq5s0T56ZZS07\n+12/8qWfq08LOTANtrMetmOP1znaJpzmWzpxCp8t/pTowt1RZJUfGC5zdxoxMLB8\nu3siSbbqSxPlOYx7yfNnJqE7KagHn83WdZYIQTFBYZESqfEhjmazERui+g3YKF74\nUlr8Ey0kIFptVa/DdsIQwgCMjDalWB6zdX8xLiLqH0pRAOSmiMcU7cX8vWSAlC5S\nl7uoam6azzyc/kAYBaBd+3/YORDu6vlnNvHtj6D1cvff0ahinnKHb2gxqN+cBUbL\nNlpBSRKwd5i/O504BjGOplp31rCbza+0vs0lvbQ2/ZMH1HaspuO3I8jdZQpaMxR4\n6GWf9/+clg8SxkNgbaKj8pRHnzvrjEOaEfYNXxdjMV4LgXX6pjZtZi47AfHqXPWc\n/pw7YSG6yJLF4n+Egky/thvoVQHR3GM10VXvUjYVTRdEaxO2P9MpWYLD8Fqa6rMo\nzVNXtCMKtej5Y5qQHMCFcKafG1J0TXPfsqnYCSsG2PpdDsZhz5r6eKgu5LZqN5yO\ntRylJnBDJuE8yweNYBDYWWAMoo1ApziRUItNI5el1I0DC+vwaM4Vxurywjxhcy4q\nHTlBXAdXKpVLINxkRSKy\n=YK2F\n-----END PGP SIGNATURE-----" 
}

In case of success, it will return an OK. In case of failure it will return an ErrorObject with an errorCode field INVALID_SIGNATURE.

You might also want to verify in Quanto Signature format. To do so, you can send the same payload with the signature field containing the Quanto Signature you want to verify to /remoteSigner/gpg/verifySignatureQuanto.

{
  "Base64Data": "VGVycmlibGUgQ29ubmVjdGlvbnMgbGVhZCB0byBUZXJyaWJsZSBVc2Vycwo=",
  "signature":"D7362B4CC546DB11_SHA512_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rV18" 
}