CKM_VISA_CVV
This section provides a summary of CKM_VISA_CVV.
Supported operations
| Operation | Supported |
|---|---|
| Encrypt and Decrypt | No |
| Sign and Verify | Yes |
| SignRecover and VerifyRecover | No |
| Digest | No |
| Generate Key/Key-Pair | No |
| Wrap and Unwrap | No |
| Derive | No |
FIPS Mode support
| Available in FIPS Mode | Restrictions in FIPS Mode |
|---|---|
| No | Not applicable |
Key size range (bytes) and parameters
| Key size minimum/maximum | Value |
|---|---|
| Minimum | 16 |
| FIPS Minimum | 16 |
| Maximum | None |
Parameter
None
Mechanism description
This is a signature generation and verification method. The Card Verification Value signature is generated as specified by VISA. The mechanism does not have a parameter. Constraints on key types and the length of data are summarized in the following table:
Output format (=pSignature in C_Sign)
| Function | Key type | Input length | Output length |
|---|---|---|---|
| C_Sign | CKK_DES2 | 16 | 2 |
| C_Verify | CKK_DES2 | 16, 22 | N/A |
2 Data length, signature length.
Return to ProtectToolkit-C mechanisms.
