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fix bugs in AES.java(#765)

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This commit is contained in:
yanglbme
2019-05-22 09:22:52 +08:00
parent 3b70b8c321
commit bdb9acfbff
3 changed files with 7 additions and 280 deletions
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16
ciphers/AES.java
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@ -6,8 +6,7 @@ import java.util.Scanner;
/**
* This class is build to demonstrate the application of the AES-algorithm on a
* single 128-Bit block of data.
*
* @see khalil2535
*
*/
public class AES {
@ -202,8 +201,7 @@ public class AES {
String rBytes = t.toString(16);
// Add zero padding
int rBytesLength = rBytes.length();
while (rBytesLength < 8) {
while (rBytes.length() < 8) {
rBytes = "0" + rBytes;
}
@ -228,8 +226,8 @@ public class AES {
currentByteBits = Integer.toHexString(currentByte);
// Add zero padding
int currentByteBitsLength = currentByteBits.length();
while (currentByteBitsLength < 2) {
while (currentByteBits.length() < 2) {
currentByteBits = '0' + currentByteBits;
}
@ -304,8 +302,7 @@ public class AES {
String blockBits = block.toString(2);
// Append leading 0 for full "128-bit" string
int blockBitsLength = blockBits.length();
while (blockBitsLength < 128) {
while (blockBits.length() < 128) {
blockBits = '0' + blockBits;
}
@ -333,8 +330,7 @@ public class AES {
String cellBits = Integer.toBinaryString(cells[i]);
// Append leading 0 for full "8-bit" strings
int cellBitsLength = cellBits.length();
while (cellBitsLength < 8) {
while (cellBits.length() < 8) {
cellBits = '0' + cellBits;
}