本文整理汇总了Java中java.security.spec.InvalidKeySpecException.initCause方法的典型用法代码示例。如果您正苦于以下问题：Java InvalidKeySpecException.initCause方法的具体用法？Java InvalidKeySpecException.initCause怎么用？Java InvalidKeySpecException.initCause使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.security.spec.InvalidKeySpecException的用法示例。
在下文中一共展示了InvalidKeySpecException.initCause方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: PBKDF2KeyImpl
import java.security.spec.InvalidKeySpecException; //导入方法依赖的package包/类
/**
* Creates a PBE key from a given PBE key specification.
*
* @param key the given PBE key specification
*/
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
throws InvalidKeySpecException {
char[] passwd = keySpec.getPassword();
if (passwd == null) {
// Should allow an empty password.
this.passwd = new char[0];
} else {
this.passwd = passwd.clone();
}
// Convert the password from char[] to byte[]
byte[] passwdBytes = getPasswordBytes(this.passwd);
this.salt = keySpec.getSalt();
if (salt == null) {
throw new InvalidKeySpecException("Salt not found");
}
this.iterCount = keySpec.getIterationCount();
if (iterCount == 0) {
throw new InvalidKeySpecException("Iteration count not found");
} else if (iterCount < 0) {
throw new InvalidKeySpecException("Iteration count is negative");
}
int keyLength = keySpec.getKeyLength();
if (keyLength == 0) {
throw new InvalidKeySpecException("Key length not found");
} else if (keyLength < 0) {
throw new InvalidKeySpecException("Key length is negative");
}
try {
this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
} catch (NoSuchAlgorithmException nsae) {
// not gonna happen; re-throw just in case
InvalidKeySpecException ike = new InvalidKeySpecException();
ike.initCause(nsae);
throw ike;
}
this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
}
示例2: PBKDF2KeyImpl
import java.security.spec.InvalidKeySpecException; //导入方法依赖的package包/类
/**
* Creates a PBE key from a given PBE key specification.
*
* @param keySpec the given PBE key specification
* @param prfAlgo the given PBE key algorithm
*/
PBKDF2KeyImpl(PBEKeySpec keySpec, String prfAlgo)
throws InvalidKeySpecException {
char[] passwd = keySpec.getPassword();
if (passwd == null) {
// Should allow an empty password.
this.passwd = new char[0];
} else {
this.passwd = passwd.clone();
}
// Convert the password from char[] to byte[]
byte[] passwdBytes = getPasswordBytes(this.passwd);
this.salt = keySpec.getSalt();
if (salt == null) {
throw new InvalidKeySpecException("Salt not found");
}
this.iterCount = keySpec.getIterationCount();
if (iterCount == 0) {
throw new InvalidKeySpecException("Iteration count not found");
} else if (iterCount < 0) {
throw new InvalidKeySpecException("Iteration count is negative");
}
int keyLength = keySpec.getKeyLength();
if (keyLength == 0) {
throw new InvalidKeySpecException("Key length not found");
} else if (keyLength < 0) {
throw new InvalidKeySpecException("Key length is negative");
}
try {
this.prf = Mac.getInstance(prfAlgo);
// SunPKCS11 requires a non-empty PBE password
if (passwdBytes.length == 0 &&
this.prf.getProvider().getName().startsWith("SunPKCS11")) {
this.prf = Mac.getInstance(prfAlgo, SunJCE.getInstance());
}
} catch (NoSuchAlgorithmException nsae) {
// not gonna happen; re-throw just in case
InvalidKeySpecException ike = new InvalidKeySpecException();
ike.initCause(nsae);
throw ike;
}
this.key = deriveKey(prf, passwdBytes, salt, iterCount, keyLength);
// Use the cleaner to zero the key when no longer referenced
final byte[] k = this.key;
final char[] p = this.passwd;
CleanerFactory.cleaner().register(this,
() -> {
java.util.Arrays.fill(k, (byte)0x00);
java.util.Arrays.fill(p, '0');
});
}