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Cryptography
  1. How-to
  2.  Encryption
  3.  PowerBuilder (Appeon)
0 Votes
  1. Phil Roth
  2. PowerBuilder
  3. Wednesday, 4 September 2019 02:24 PM UTC

Hi,

We are trying to encrypt log on information using Asymmetric Encryption RSA 2048 using PB17 R3

The Public Key is being provided by another system using OpenSSH which we are receiving as a .PEM file.

When I try and use this Public Key to encrypt, I'm getting  following error :-

"Powerbuilder Application execution Error R0208" and "Invalid PubKey in asymmetric Encrypt".

Please can you advise how I need to format the contents of the .PEM file. I've tried using the  Base64Decode

sPublicKey = '-----BEGIN RSA PUBLIC KEY-----' + '~r~n' + &
'MIIBCgKCAQEA2E7AXucgl0h6kEo7QWgZRuCsTHuroFrIH6oh0emJTBeLsUqqLFu5+LiRvV2QKGIqF9KpiCAatiBEpTSPtXbFlFdCrSsjGg7q/eqkA/sN+FwwtLpRFwMazNwAtJ5YQk1hdFosWkG0beVYpfqfeWHxNAdwS01SujYuZRUzlXnq/OARfLzNketOYRc9TpQvZaeCjbavqmm7VSLn3we3Mezcpj75KP5ozwRCydiBJS1Yy5I3pK+fgWtePZeqenq78Vn+C0n8ZgkQFdqmDUKSGV9BnbKy3+qfKZifF9f1ppcM4r0XMzZeXXOnjAWoK8LGYefz3s9l2ltMKeMd30464/ywqwIDAQAB' + '~r~n' + &
'-----END RSA PUBLIC KEY-----'

ls_Base64Str =sPublicKey
lblb_pubkey = lnv_CoderObject.Base64Decode(ls_Base64Str)
messagebox("Base64Decode", string(lblb_pubkey, EncodingANSI!))

lblb_encrypt = lnv_CrypterObject.AsymmetricEncrypt(RSA!, lblb_data, lblb_pubKey)

Public Key Error

 

Regards

Phil

 

 

 

PowerBuilder 2021 login issue. String field size per procedure
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