SHA 1ÕªÒªËã·¨Ô´Âë(java°æ)
public class SHA1 {
private final int[] abcde = {
0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0
};
// ÕªÒªÊý¾Ý´æ´¢Êý×é
private int[] digestInt = new int[5];
// ¼ÆËã¹ý³ÌÖеÄÁÙʱÊý¾Ý´æ´¢Êý×é
private int[] tmpData = new int[80];
// ¼ÆËãsha-1ÕªÒª
private int process_input_bytes(byte[] bytedata) {
// ³õÊÔ»¯³£Á¿
System.arraycopy(abcde, 0, digestInt, 0, abcde.length);
// ¸ñʽ»¯ÊäÈë×Ö½ÚÊý×飬²¹10¼°³¤¶ÈÊý¾Ý
byte[] newbyte = byteArrayFormatData(bytedata);
// »ñÈ¡Êý¾ÝÕªÒª¼ÆËãµÄÊý¾Ýµ¥Ôª¸öÊý
int MCount = newbyte.length / 64;
// Ñ»·¶Ôÿ¸öÊý¾Ýµ¥Ôª½øÐÐÕªÒª¼ÆËã
for (int pos = 0; pos < MCount; pos++) {
// ½«Ã¿¸öµ¥ÔªµÄÊý¾Ýת»»³É16¸öÕûÐÍÊý¾Ý£¬²¢±£´æµ½tmpDataµÄǰ16¸öÊý×éÔªËØÖÐ
for (int j = 0; j < 16; j++) {
tmpData[j] = byteArrayToInt(newbyte, (pos * 64) + (j * 4));
}
// ÕªÒª¼ÆË㺯Êý
encrypt();
}
return 20;
}
// ¸ñʽ»¯ÊäÈë×Ö½
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