diff options
Diffstat (limited to 'libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/gcm/BasicGCMExponentiator.java')
-rw-r--r-- | libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/gcm/BasicGCMExponentiator.java | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/gcm/BasicGCMExponentiator.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/gcm/BasicGCMExponentiator.java deleted file mode 100644 index b84fe6f0f..000000000 --- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/gcm/BasicGCMExponentiator.java +++ /dev/null @@ -1,36 +0,0 @@ -package org.spongycastle.crypto.modes.gcm; - -import org.spongycastle.util.Arrays; - -public class BasicGCMExponentiator implements GCMExponentiator -{ - private int[] x; - - public void init(byte[] x) - { - this.x = GCMUtil.asInts(x); - } - - public void exponentiateX(long pow, byte[] output) - { - // Initial value is little-endian 1 - int[] y = GCMUtil.oneAsInts(); - - if (pow > 0) - { - int[] powX = Arrays.clone(x); - do - { - if ((pow & 1L) != 0) - { - GCMUtil.multiply(y, powX); - } - GCMUtil.multiply(powX, powX); - pow >>>= 1; - } - while (pow > 0); - } - - GCMUtil.asBytes(y, output); - } -} |