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, oidMap, outputSize, SHA1

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

ANSI_X9_ALGORITHM, 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, parameterClass, 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, registerNatives, 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.