[VOL-4293] OpenONU Adapter update for gRPC migration

Change-Id: I05300d3b95b878f44576a99a05f53f52fdc0cda1
diff --git a/vendor/github.com/jcmturner/gokrb5/v8/crypto/des3-cbc-sha1-kd.go b/vendor/github.com/jcmturner/gokrb5/v8/crypto/des3-cbc-sha1-kd.go
new file mode 100644
index 0000000..6e650eb
--- /dev/null
+++ b/vendor/github.com/jcmturner/gokrb5/v8/crypto/des3-cbc-sha1-kd.go
@@ -0,0 +1,139 @@
+package crypto
+
+import (
+	"crypto/des"
+	"crypto/hmac"
+	"crypto/sha1"
+	"errors"
+	"hash"
+
+	"github.com/jcmturner/gokrb5/v8/crypto/common"
+	"github.com/jcmturner/gokrb5/v8/crypto/rfc3961"
+	"github.com/jcmturner/gokrb5/v8/iana/chksumtype"
+	"github.com/jcmturner/gokrb5/v8/iana/etypeID"
+)
+
+//RFC: 3961 Section 6.3
+
+// Des3CbcSha1Kd implements Kerberos encryption type des3-cbc-hmac-sha1-kd
+type Des3CbcSha1Kd struct {
+}
+
+// GetETypeID returns the EType ID number.
+func (e Des3CbcSha1Kd) GetETypeID() int32 {
+	return etypeID.DES3_CBC_SHA1_KD
+}
+
+// GetHashID returns the checksum type ID number.
+func (e Des3CbcSha1Kd) GetHashID() int32 {
+	return chksumtype.HMAC_SHA1_DES3_KD
+}
+
+// GetKeyByteSize returns the number of bytes for key of this etype.
+func (e Des3CbcSha1Kd) GetKeyByteSize() int {
+	return 24
+}
+
+// GetKeySeedBitLength returns the number of bits for the seed for key generation.
+func (e Des3CbcSha1Kd) GetKeySeedBitLength() int {
+	return 21 * 8
+}
+
+// GetHashFunc returns the hash function for this etype.
+func (e Des3CbcSha1Kd) GetHashFunc() func() hash.Hash {
+	return sha1.New
+}
+
+// GetMessageBlockByteSize returns the block size for the etype's messages.
+func (e Des3CbcSha1Kd) GetMessageBlockByteSize() int {
+	//For traditional CBC mode with padding, it would be the underlying cipher's block size
+	return des.BlockSize
+}
+
+// GetDefaultStringToKeyParams returns the default key derivation parameters in string form.
+func (e Des3CbcSha1Kd) GetDefaultStringToKeyParams() string {
+	var s string
+	return s
+}
+
+// GetConfounderByteSize returns the byte count for confounder to be used during cryptographic operations.
+func (e Des3CbcSha1Kd) GetConfounderByteSize() int {
+	return des.BlockSize
+}
+
+// GetHMACBitLength returns the bit count size of the integrity hash.
+func (e Des3CbcSha1Kd) GetHMACBitLength() int {
+	return e.GetHashFunc()().Size() * 8
+}
+
+// GetCypherBlockBitLength returns the bit count size of the cypher block.
+func (e Des3CbcSha1Kd) GetCypherBlockBitLength() int {
+	return des.BlockSize * 8
+}
+
+// StringToKey returns a key derived from the string provided.
+func (e Des3CbcSha1Kd) StringToKey(secret string, salt string, s2kparams string) ([]byte, error) {
+	if s2kparams != "" {
+		return []byte{}, errors.New("s2kparams must be an empty string")
+	}
+	return rfc3961.DES3StringToKey(secret, salt, e)
+}
+
+// RandomToKey returns a key from the bytes provided.
+func (e Des3CbcSha1Kd) RandomToKey(b []byte) []byte {
+	return rfc3961.DES3RandomToKey(b)
+}
+
+// DeriveRandom generates data needed for key generation.
+func (e Des3CbcSha1Kd) DeriveRandom(protocolKey, usage []byte) ([]byte, error) {
+	r, err := rfc3961.DeriveRandom(protocolKey, usage, e)
+	return r, err
+}
+
+// DeriveKey derives a key from the protocol key based on the usage value.
+func (e Des3CbcSha1Kd) DeriveKey(protocolKey, usage []byte) ([]byte, error) {
+	r, err := e.DeriveRandom(protocolKey, usage)
+	if err != nil {
+		return nil, err
+	}
+	return e.RandomToKey(r), nil
+}
+
+// EncryptData encrypts the data provided.
+func (e Des3CbcSha1Kd) EncryptData(key, data []byte) ([]byte, []byte, error) {
+	return rfc3961.DES3EncryptData(key, data, e)
+}
+
+// EncryptMessage encrypts the message provided and concatenates it with the integrity hash to create an encrypted message.
+func (e Des3CbcSha1Kd) EncryptMessage(key, message []byte, usage uint32) ([]byte, []byte, error) {
+	return rfc3961.DES3EncryptMessage(key, message, usage, e)
+}
+
+// DecryptData decrypts the data provided.
+func (e Des3CbcSha1Kd) DecryptData(key, data []byte) ([]byte, error) {
+	return rfc3961.DES3DecryptData(key, data, e)
+}
+
+// DecryptMessage decrypts the message provided and verifies the integrity of the message.
+func (e Des3CbcSha1Kd) DecryptMessage(key, ciphertext []byte, usage uint32) ([]byte, error) {
+	return rfc3961.DES3DecryptMessage(key, ciphertext, usage, e)
+}
+
+// VerifyIntegrity checks the integrity of the plaintext message.
+func (e Des3CbcSha1Kd) VerifyIntegrity(protocolKey, ct, pt []byte, usage uint32) bool {
+	return rfc3961.VerifyIntegrity(protocolKey, ct, pt, usage, e)
+}
+
+// GetChecksumHash returns a keyed checksum hash of the bytes provided.
+func (e Des3CbcSha1Kd) GetChecksumHash(protocolKey, data []byte, usage uint32) ([]byte, error) {
+	return common.GetHash(data, protocolKey, common.GetUsageKc(usage), e)
+}
+
+// VerifyChecksum compares the checksum of the message bytes is the same as the checksum provided.
+func (e Des3CbcSha1Kd) VerifyChecksum(protocolKey, data, chksum []byte, usage uint32) bool {
+	c, err := e.GetChecksumHash(protocolKey, data, usage)
+	if err != nil {
+		return false
+	}
+	return hmac.Equal(chksum, c)
+}