本文整理汇总了Java中org.bouncycastle.crypto.modes.GCMBlockCipher.getUpdateOutputSize方法的典型用法代码示例。如果您正苦于以下问题:Java GCMBlockCipher.getUpdateOutputSize方法的具体用法?Java GCMBlockCipher.getUpdateOutputSize怎么用?Java GCMBlockCipher.getUpdateOutputSize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org.bouncycastle.crypto.modes.GCMBlockCipher
的用法示例。
在下文中一共展示了GCMBlockCipher.getUpdateOutputSize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: outputSizeTests
import org.bouncycastle.crypto.modes.GCMBlockCipher; //导入方法依赖的package包/类
private void outputSizeTests()
{
byte[] K = new byte[16];
byte[] A = null;
byte[] IV = new byte[16];
AEADParameters parameters = new AEADParameters(new KeyParameter(K), 16 * 8, IV, A);
GCMBlockCipher cipher = initCipher(null, true, parameters);
if (cipher.getUpdateOutputSize(0) != 0)
{
fail("incorrect getUpdateOutputSize for initial 0 bytes encryption");
}
if (cipher.getOutputSize(0) != 16)
{
fail("incorrect getOutputSize for initial 0 bytes encryption");
}
cipher.init(false, parameters);
if (cipher.getUpdateOutputSize(0) != 0)
{
fail("incorrect getUpdateOutputSize for initial 0 bytes decryption");
}
// NOTE: 0 bytes would be truncated data, but we want it to fail in the doFinal, not here
if (cipher.getOutputSize(0) != 0)
{
fail("fragile getOutputSize for initial 0 bytes decryption");
}
if (cipher.getOutputSize(16) != 0)
{
fail("incorrect getOutputSize for initial MAC-size bytes decryption");
}
}
示例2: outputSizeTests
import org.bouncycastle.crypto.modes.GCMBlockCipher; //导入方法依赖的package包/类
private void outputSizeTests()
{
byte[] K = new byte[16];
byte[] A = null;
byte[] IV = new byte[16];
GCMBlockCipher cipher = new GCMBlockCipher(new AESFastEngine(), new BasicGCMMultiplier());
AEADParameters parameters = new AEADParameters(new KeyParameter(K), 16 * 8, IV, A);
cipher.init(true, parameters);
if (cipher.getUpdateOutputSize(0) != 0)
{
fail("incorrect getUpdateOutputSize for initial 0 bytes encryption");
}
if (cipher.getOutputSize(0) != 16)
{
fail("incorrect getOutputSize for initial 0 bytes encryption");
}
cipher.init(false, parameters);
if (cipher.getUpdateOutputSize(0) != 0)
{
fail("incorrect getUpdateOutputSize for initial 0 bytes decryption");
}
// NOTE: 0 bytes would be truncated data, but we want it to fail in the doFinal, not here
if (cipher.getOutputSize(0) != 0)
{
fail("fragile getOutputSize for initial 0 bytes decryption");
}
if (cipher.getOutputSize(16) != 0)
{
fail("incorrect getOutputSize for initial MAC-size bytes decryption");
}
}