org.mozilla.jss.crypto
Class HMACAlgorithm

java.lang.Object
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  +--org.mozilla.jss.crypto.Algorithm
        |
        +--org.mozilla.jss.crypto.DigestAlgorithm
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              +--org.mozilla.jss.crypto.HMACAlgorithm

public class HMACAlgorithm

extends DigestAlgorithm

Algorithms for performing HMACs. These can be used to create MessageDigests.

Field Summary

private static java.util.Hashtable	oidMap
static HMACAlgorithm	SHA1 SHA-1 HMAC.

Fields inherited from class org.mozilla.jss.crypto.DigestAlgorithm

MD2, MD5

Fields inherited from class org.mozilla.jss.crypto.Algorithm

ANSI_X9_ALGORITHM, CKM_AES_CBC, CKM_AES_CBC_PAD, CKM_AES_ECB, CKM_AES_KEY_GEN, CKM_DES_CBC_PAD, CKM_DES_KEY_GEN, CKM_DES3_CBC_PAD, CKM_DES3_ECB, CKM_DES3_KEY_GEN, CKM_DSA_KEY_PAIR_GEN, CKM_PBA_SHA1_WITH_SHA1_HMAC, CKM_RC4_KEY_GEN, CKM_RSA_PKCS_KEY_PAIR_GEN, CKM_SHA_1_HMAC, name, oid, oidIndex, SEC_OID_ANSIX9_DSA_SIGNATURE, SEC_OID_ANSIX9_DSA_SIGNATURE_WITH_SHA1_DIGEST, SEC_OID_DES_CBC, SEC_OID_DES_ECB, SEC_OID_DES_EDE3_CBC, SEC_OID_MD2, SEC_OID_MD5, SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION, SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION, SEC_OID_PKCS1_RSA_ENCRYPTION, SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION, SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC2_CBC, SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_128_BIT_RC4, SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_3KEY_TRIPLE_DES_CBC, SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC2_CBC, SEC_OID_PKCS12_V2_PBE_WITH_SHA1_AND_40_BIT_RC4, SEC_OID_PKCS5_PBE_WITH_MD2_AND_DES_CBC, SEC_OID_PKCS5_PBE_WITH_MD5_AND_DES_CBC, SEC_OID_PKCS5_PBE_WITH_SHA1_AND_DES_CBC, SEC_OID_RC2_CBC, SEC_OID_RC4, SEC_OID_SHA1

Constructor Summary

protected

HMACAlgorithm(int oidIndex, java.lang.String name, OBJECT_IDENTIFIER oid, int outputSize)

Method Summary

static DigestAlgorithm

fromOID(OBJECT_IDENTIFIER oid) Looks up the HMAC algorithm with the given OID.

Methods inherited from class org.mozilla.jss.crypto.DigestAlgorithm

getOutputSize

Methods inherited from class org.mozilla.jss.crypto.Algorithm

getParameterClass, toOID, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

oidMap

private static java.util.Hashtable oidMap

SHA1

public static final HMACAlgorithm SHA1

SHA-1 HMAC. This is a Message Authentication Code that uses a symmetric key together with SHA-1 digesting to create a form of signature.

Constructor Detail

HMACAlgorithm

protected HMACAlgorithm(int oidIndex,
                        java.lang.String name,
                        OBJECT_IDENTIFIER oid,
                        int outputSize)

Method Detail

fromOID

public static DigestAlgorithm fromOID(OBJECT_IDENTIFIER oid)
                               throws java.security.NoSuchAlgorithmException

Looks up the HMAC algorithm with the given OID.

Throws:

java.security.NoSuchAlgorithmException - If no registered HMAC algorithm has the given OID.