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I have to do Payment Integration with bank where my account will be debited and vendor's account will be credited. for that Bank need RequestsignatureEncryptedValue and SymmetricKeyEncryptedValue

  1. RSA SHA 256 -> payload -> Clients private key -> signed payload (signature)
  2. Generate random alphanumeric 32 bytes string (Symmetric Key) | Example: vtxvqwvxuyvqwxbwbxibchbwcibwcwbi
  3. (IV+Signature) <--> (Symmetric Key without base 64) -- Encryption (AES/CBC/PKCS7)Algorithm byte[] <--> base64encoding ==> RequestsignatureEncryptedValue
  4. (Symmetric Key without base 64) <--> (api-uat.xyzbank.com) xyzbank publickey -- Encryption (RSA/ECB/PKCS1)Algo <--> base64encoding ==> SymmetricKeyEncryptedValue

How can I do this with asp vb.net? I am new to bank integration. I have all the SSL details.

halfer
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vishwadeep sharma
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  • Your payment integrator should offer some examples in their documentation. Who are they? Have you tried anything? – halfer Jul 29 '23 at 22:18

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