public class EncryptionManager
extends java.lang.Object
Modifier and Type | Field | Description |
---|---|---|
private Agent |
agent_ |
|
private static java.math.BigInteger |
base__ |
|
private static byte[] |
baseBytes__ |
|
private static int |
exponential_length__ |
|
private static char[] |
hex_table |
RESOLVE: *
The methods and static vars below should go into some 'shared' *
package when the capability is put back in (StringUtil.java)
|
private javax.crypto.KeyAgreement |
keyAgreement_ |
|
private java.security.KeyPair |
keyPair_ |
|
private java.security.KeyPairGenerator |
keyPairGenerator_ |
|
private java.security.MessageDigest |
messageDigest |
|
private static java.math.BigInteger |
modulus__ |
|
private static byte[] |
modulusBytes__ |
|
private javax.crypto.spec.DHParameterSpec |
paramSpec_ |
|
private java.security.Provider |
provider |
|
private java.lang.String |
providerName |
|
private byte[] |
secKey_ |
|
private static byte[] |
SECMEC_USRSSBPWD_PWDSEQS |
|
private static int |
SECMEC_USRSSBPWD_SEED_LEN |
|
private javax.crypto.SecretKeyFactory |
secretKeyFactory_ |
|
private java.security.SecureRandom |
secureRandom |
|
static java.lang.String |
SHA_1_DIGEST_ALGORITHM |
|
private static java.lang.String |
SHA_1_PRNG_ALGORITHM |
|
private byte[] |
token_ |
Constructor | Description |
---|---|
EncryptionManager(Agent agent) |
|
EncryptionManager(Agent agent,
java.lang.String algorithm) |
Modifier and Type | Method | Description |
---|---|---|
private byte[] |
calculateEncryptionToken(int securityMechanism,
byte[] initVector) |
|
byte[] |
decryptData(byte[] cipherText,
int securityMechanism,
byte[] initVector,
byte[] targetPublicKey) |
|
byte[] |
encryptData(byte[] plainText,
int securityMechanism,
byte[] initVector,
byte[] targetPublicKey) |
|
private byte[] |
generatePrivateKey(byte[] targetPublicKey) |
|
byte[] |
generateSeed() |
This method generates an 8-Byte random seed for the client (source).
|
private void |
keyParityCheck(byte[] key) |
|
byte[] |
obtainPublicKey() |
|
void |
resetSecurityKeys() |
|
byte[] |
substitutePassword(java.lang.String userName,
java.lang.String password,
byte[] sourceSeed_,
byte[] targetSeed_) |
Strong Password Substitution (USRSSBPWD).
|
private byte[] |
toHexByte(java.lang.String str,
int offset,
int length) |
Convert a string into a byte array in hex format.
|
private java.lang.String |
toHexString(byte[] data,
int offset,
int length) |
Convert a byte array to a String with a hexadecimal format.
|
private transient Agent agent_
private static final byte[] modulusBytes__
private static final java.math.BigInteger modulus__
private static final byte[] baseBytes__
private static final java.math.BigInteger base__
private static final int exponential_length__
private javax.crypto.spec.DHParameterSpec paramSpec_
private java.security.KeyPairGenerator keyPairGenerator_
private java.security.KeyPair keyPair_
private javax.crypto.KeyAgreement keyAgreement_
private byte[] token_
private byte[] secKey_
private javax.crypto.SecretKeyFactory secretKeyFactory_
private java.lang.String providerName
private java.security.Provider provider
private java.security.MessageDigest messageDigest
private java.security.SecureRandom secureRandom
private static final int SECMEC_USRSSBPWD_SEED_LEN
private static final byte[] SECMEC_USRSSBPWD_PWDSEQS
private static final java.lang.String SHA_1_PRNG_ALGORITHM
public static final java.lang.String SHA_1_DIGEST_ALGORITHM
private static final char[] hex_table
public EncryptionManager(Agent agent) throws SqlException
SqlException
public EncryptionManager(Agent agent, java.lang.String algorithm) throws SqlException
SqlException
public byte[] obtainPublicKey()
private byte[] calculateEncryptionToken(int securityMechanism, byte[] initVector)
private void keyParityCheck(byte[] key) throws SqlException
SqlException
private byte[] generatePrivateKey(byte[] targetPublicKey) throws SqlException
SqlException
public byte[] encryptData(byte[] plainText, int securityMechanism, byte[] initVector, byte[] targetPublicKey) throws SqlException
SqlException
public byte[] decryptData(byte[] cipherText, int securityMechanism, byte[] initVector, byte[] targetPublicKey) throws SqlException
SqlException
public void resetSecurityKeys()
public byte[] generateSeed()
public byte[] substitutePassword(java.lang.String userName, java.lang.String password, byte[] sourceSeed_, byte[] targetSeed_) throws SqlException
userName
- The user's namepassword
- The user's passwordsourceSeed_
- random client seed (RDs)targetSeed_
- random server seed (RDr)SqlException
private java.lang.String toHexString(byte[] data, int offset, int length)
b & 0xf0
),
the second character represents the low nibble (b & 0x0f
).
data[offset]
is represented by the first two
characters in the returned String.data
- byte arrayoffset
- starting byte (zero based) to convert.length
- number of bytes to convert.private byte[] toHexByte(java.lang.String str, int offset, int length)
b & 0xf0
),
the second byte represents the low nibble (b & 0x0f
).
str.charAt(0)
is represented by the
first two bytes in the returned String.str
- stringoffset
- starting character (zero based) to convert.length
- number of characters to convert.Apache Derby V10.14 Internals - Copyright © 2004,2018 The Apache Software Foundation. All Rights Reserved.