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.

Return to SafeNet ProtectToolkit-C Mechanisms