As a Verifier, I want to know why a QR code fails (reason codes for failure)

[PaulBaier-PathCheck]

As a verifier, I want to understand why a QR fails

Reason code types

01 unreadable
02 QR format not supported
03 QR expired
99 other

[vitorpamplona]

Additional error codes to be added to each SDK.

• 01 Unreadable
• 02 QR format not supported
• 03 QR format supported but incorrectly formatted (failed to uncompress)
• 04 QR uncompressing resources not available (failed to download protocol's files/scripts to uncompress)
• 05 Public key not available (issuer deleted it, or not connected to the web)
• 06 Not authentic: Signature mismatch
• 07 Credential not supported (payload is real but doesn't map to a UI card available)
• 08 Credential is Expired
• 09 Credential has been revoked
• 99 Other