CKM_VISA_CVV

Supported Operations

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
Available in FIPS Mode No

Key Size Range (bytes) and Parameters

Minimum 16
Maximum 16
Parameter None

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:

Table 1: 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.

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