Cryptoki: a cryptographic Token Interface


Generic secret key objects



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v201-95
pkcs11-base-v2.40-cos01

9.8.1. Generic secret key objects


Generic secret key objects (object class CKO_SECRET_KEY, key type CKK_GENERIC_SECRET) hold generic secret keys. These keys do not support encryption, decryption, signatures or verification; however, other keys can be derived from them. The following table defines the generic secret key object attributes, in addition to the common attributes listed in Table 14, Table 19, and Table 32:
Table 33, Generic Secret Key Object Attributes

Attribute

Data type

Meaning

CKA_VALUE1,4,6,7

Byte array

Key value (arbitrary length)

CKA_VALUE_LEN2,3,6

CK_ULONG

Length in bytes of key value

The following is a sample template for creating a generic secret key object:


CK_OBJECT_CLASS class = CKO_SECRET_KEY;
CK_KEY_TYPE keyType = CKK_GENERIC_SECRET;
CK_CHAR label[] = “A generic secret key object”;
CK_BYTE value[] = {...};
CK_BBOOL true = TRUE;
CK_ATTRIBUTE template[] = {
{CKA_CLASS, &class, sizeof(class)},
{CKA_KEY_TYPE, &keyType, sizeof(keyType)},
{CKA_TOKEN, &true, sizeof(true)},
{CKA_LABEL, label, sizeof(label)},
{CKA_DERIVE, &true, sizeof(true)},
{CKA_VALUE, value, sizeof(value)}
};

9.8.2. RC2 secret key objects


RC2 secret key objects (object class CKO_SECRET_KEY, key type CKK_RC2) hold RC2 keys. The following table defines the RC2 secret key object attributes, in addition to the common attributes listed in Table 14, Table 19, and Table 32:
Table 34, RC2 Secret Key Object Attributes


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