本文整理汇总了Java中javax.crypto.spec.RC2ParameterSpec.getIV方法的典型用法代码示例。如果您正苦于以下问题：Java RC2ParameterSpec.getIV方法的具体用法？Java RC2ParameterSpec.getIV怎么用？Java RC2ParameterSpec.getIV使用的例子？那么, 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javax.crypto.spec.RC2ParameterSpec的用法示例。
在下文中一共展示了RC2ParameterSpec.getIV方法的3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: engineInit
import javax.crypto.spec.RC2ParameterSpec; //导入方法依赖的package包/类
protected void engineInit(AlgorithmParameterSpec paramSpec)
throws InvalidParameterSpecException {
if (!(paramSpec instanceof RC2ParameterSpec)) {
throw new InvalidParameterSpecException
("Inappropriate parameter specification");
}
RC2ParameterSpec rps = (RC2ParameterSpec) paramSpec;
// check effective key size (a value of 0 means it is unspecified)
effectiveKeySize = rps.getEffectiveKeyBits();
if (effectiveKeySize != 0) {
if (effectiveKeySize < 1 || effectiveKeySize > 1024) {
throw new InvalidParameterSpecException("RC2 effective key " +
"size must be between 1 and 1024 bits");
}
if (effectiveKeySize < 256) {
version = EKB_TABLE[effectiveKeySize];
} else {
version = effectiveKeySize;
}
}
this.iv = rps.getIV();
}
示例2: getAlgorithmIdentifier
import javax.crypto.spec.RC2ParameterSpec; //导入方法依赖的package包/类
public AlgorithmIdentifier getAlgorithmIdentifier(ASN1ObjectIdentifier macOID, AlgorithmParameterSpec paramSpec)
{
if (paramSpec instanceof IvParameterSpec)
{
return new AlgorithmIdentifier(macOID, new DEROctetString(((IvParameterSpec)paramSpec).getIV()));
}
if (paramSpec instanceof RC2ParameterSpec)
{
RC2ParameterSpec rc2Spec = (RC2ParameterSpec)paramSpec;
int effKeyBits = ((RC2ParameterSpec)paramSpec).getEffectiveKeyBits();
if (effKeyBits != -1)
{
int parameterVersion;
if (effKeyBits < 256)
{
parameterVersion = rc2Table[effKeyBits];
}
else
{
parameterVersion = effKeyBits;
}
return new AlgorithmIdentifier(macOID, new RC2CBCParameter(parameterVersion, rc2Spec.getIV()));
}
return new AlgorithmIdentifier(macOID, new RC2CBCParameter(rc2Spec.getIV()));
}
throw new IllegalStateException("unknown parameter spec: " + paramSpec);
}
示例3: getAlgorithmIdentifier
import javax.crypto.spec.RC2ParameterSpec; //导入方法依赖的package包/类
public AlgorithmIdentifier getAlgorithmIdentifier(ASN1ObjectIdentifier macOID, AlgorithmParameterSpec paramSpec)
{
if (paramSpec instanceof IvParameterSpec)
{
return new AlgorithmIdentifier(macOID, new DEROctetString(((IvParameterSpec)paramSpec).getIV()));
}
if (paramSpec instanceof RC2ParameterSpec)
{
RC2ParameterSpec rc2Spec = (RC2ParameterSpec)paramSpec;
int effKeyBits = ((RC2ParameterSpec)paramSpec).getEffectiveKeyBits();
if (effKeyBits != -1)
{
int parameterVersion;
if (effKeyBits < 256)
{
parameterVersion = rc2Table[effKeyBits];
}
else
{
parameterVersion = effKeyBits;
}
return new AlgorithmIdentifier(macOID, new RC2CBCParameter(parameterVersion, rc2Spec.getIV()));
}
return new AlgorithmIdentifier(macOID, new RC2CBCParameter(rc2Spec.getIV()));
}
throw new IllegalStateException("unknown parameter spec");
}