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@ -164,8 +164,10 @@ public class KISA_SEED_CBC {
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// R0, R1 : right input values at each round
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// K : round keys at each round
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private static final void SeedRound(int[] T, int LR[], int L0, int L1, int R0, int R1, int[] K, int K_offset) { |
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T[0] = LR[R0] ^ K[K_offset+0]; |
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T[1] = LR[R1] ^ K[K_offset+1]; |
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int offset = K_offset + 0; |
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int offset1 = K_offset + 1; |
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T[0] = LR[R0] ^ K[offset]; |
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T[1] = LR[R1] ^ K[offset1]; |
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T[1] ^= T[0]; |
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T[1] = SS0[GetB0(T[1])&0x0ff] ^ SS1[GetB1(T[1])&0x0ff] ^ |
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SS2[GetB2(T[1])&0x0ff] ^ SS3[GetB3(T[1])&0x0ff]; |
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@ -372,12 +374,18 @@ public class KISA_SEED_CBC {
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if(ENDIAN != Common.BIG_ENDIAN) { |
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for(i=0;i<inLen;i++) |
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{ |
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data[i] = (byte)(in[i/4] >> ((i%4)*8)); |
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int temp = in[i / 4]; |
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int shift = (i % 4) * 8; |
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data[i] = (byte) (temp >> shift); |
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// data[i] = (byte)(in[i/4] >> ((i%4)*8));
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} |
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} else { |
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for(i=0;i<inLen;i++) |
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{ |
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data[i] = (byte)(in[i/4] >> ((3-(i%4))*8)); |
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int temp = in[i / 4]; |
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int shift = (3 - (i % 4)) * 8; |
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data[i] = (byte) (temp >> shift); |
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// data[i] = (byte)(in[i/4] >> ((3-(i%4))*8));
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} |
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} |
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@ -398,7 +406,9 @@ public class KISA_SEED_CBC {
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K = pInfo.seed_key.key_data; // Pointer of round keys
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pInfo.encrypt = enc.value; //
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Common.memcpy(pInfo.ivec, pbszIV, 16, ENDIAN); |
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pInfo.last_block_flag = pInfo.buffer_length = 0; |
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pInfo.buffer_length = 0; |
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// pInfo.last_block_flag = pInfo.buffer_length = 0;
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pInfo.last_block_flag = pInfo.buffer_length; |
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// Set up input values for Key Schedule
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ABCD[ABCD_A] = Common.byte_to_int(pbszUserKey, 0*4, ENDIAN); |
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@ -736,11 +746,23 @@ public class KISA_SEED_CBC {
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public KISA_SEED_INFO() { |
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encrypt = 0; |
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ivec[0] = ivec[1] = ivec[2] = ivec[3] = 0; |
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ivec[3] = 0; |
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ivec[2] = ivec[3]; |
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ivec[1] = ivec[2]; |
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ivec[0] = ivec[1]; |
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// ivec[0] = ivec[1] = ivec[2] = ivec[3] = 0;
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seed_key.init(); |
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cbc_buffer[0] = cbc_buffer[1] = cbc_buffer[2] = cbc_buffer[3] = 0; |
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cbc_buffer[3] = 0; |
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cbc_buffer[2] = cbc_buffer[3]; |
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cbc_buffer[1] = cbc_buffer[2]; |
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cbc_buffer[0] = cbc_buffer[1]; |
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// cbc_buffer[0] = cbc_buffer[1] = cbc_buffer[2] = cbc_buffer[3] = 0;
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buffer_length = 0; |
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cbc_last_block[0] = cbc_last_block[1] = cbc_last_block[2] = cbc_last_block[3] = 0; |
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cbc_last_block[3] = 0; |
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cbc_last_block[2] = cbc_last_block[3]; |
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cbc_last_block[1] = cbc_last_block[2]; |
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cbc_last_block[0] = cbc_last_block[1]; |
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// cbc_last_block[0] = cbc_last_block[1] = cbc_last_block[2] = cbc_last_block[3] = 0;
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last_block_flag = 0; |
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} |
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@ -800,13 +822,21 @@ public class KISA_SEED_CBC {
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int mask_value = 0x0ff << shift_value; |
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int mask_value2 = ~mask_value; |
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int value2 = (value&0x0ff) << shift_value; |
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dst[b_offset/4] = (dst[b_offset/4] & mask_value2) | (value2 & mask_value); |
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int dstValue = dst[b_offset / 4]; |
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dstValue = (dstValue & mask_value2) | (value2 & mask_value); |
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dst[b_offset / 4] = dstValue; |
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// dst[b_offset/4] = (dst[b_offset/4] & mask_value2) | (value2 & mask_value);
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} else { |
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int shift_value = (b_offset%4)*8; |
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int mask_value = 0x0ff << shift_value; |
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int mask_value2 = ~mask_value; |
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int value2 = (value&0x0ff) << shift_value; |
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dst[b_offset/4] = (dst[b_offset/4] & mask_value2) | (value2 & mask_value); |
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int dstValue = dst[b_offset / 4]; |
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dstValue = (dstValue & mask_value2) | (value2 & mask_value); |
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dst[b_offset / 4] = dstValue; |
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// dst[b_offset/4] = (dst[b_offset/4] & mask_value2) | (value2 & mask_value);
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} |
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} |
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@ -814,12 +844,18 @@ public class KISA_SEED_CBC {
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if(ENDIAN == BIG_ENDIAN) { |
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int shift_value = (3-b_offset%4)*8; |
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int mask_value = 0x0ff << shift_value; |
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int value = (src[b_offset/4] & mask_value) >> shift_value; |
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int mask_value2 = src[b_offset/4]; |
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int value2 = mask_value2 & mask_value; |
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int value = value2 >> shift_value; |
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// int value = (src[b_offset/4] & mask_value) >> shift_value;
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return (byte)value; |
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} else { |
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int shift_value = (b_offset%4)*8; |
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int mask_value = 0x0ff << shift_value; |
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int value = (src[b_offset/4] & mask_value) >> shift_value; |
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int mask_value2 = src[b_offset/4]; |
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int value2 = mask_value2 & mask_value; |
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int value = value2 >> shift_value; |
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// int value = (src[b_offset/4] & mask_value) >> shift_value;
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return (byte)value; |
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} |
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@ -836,10 +872,13 @@ public class KISA_SEED_CBC {
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} |
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public static void byte_to_int(int[] dst, int dst_offset, byte[] src, int src_offset, int ENDIAN) { |
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int offset1 = src_offset + 1; |
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int offset2 = src_offset + 2; |
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int offset3 = src_offset + 3; |
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if(ENDIAN == BIG_ENDIAN) { |
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dst[dst_offset] = ((0x0ff&src[src_offset]) << 24) | ((0x0ff&src[src_offset+1]) << 16) | ((0x0ff&src[src_offset+2]) << 8) | ((0x0ff&src[src_offset+3])); |
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dst[dst_offset] = ((0x0ff&src[src_offset]) << 24) | ((0x0ff&src[offset1]) << 16) | ((0x0ff&src[offset2]) << 8) | ((0x0ff&src[offset3])); |
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} else { |
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dst[dst_offset] = ((0x0ff&src[src_offset])) | ((0x0ff&src[src_offset+1]) << 8) | ((0x0ff&src[src_offset+2]) << 16) | ((0x0ff&src[src_offset+3]) << 24); |
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dst[dst_offset] = ((0x0ff&src[src_offset])) | ((0x0ff&src[offset1]) << 8) | ((0x0ff&src[offset2]) << 16) | ((0x0ff&src[offset3]) << 24); |
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} |
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} |
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@ -887,7 +926,8 @@ public class KISA_SEED_CBC {
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if(n >= 32) |
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return 0; |
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int v = x >> n; |
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int v_mask = ~(0x80000000 >> (n-1)); |
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int shift = n - 1; |
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int v_mask = ~(0x80000000 >> shift); |
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return v & v_mask; |
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} |
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@ -940,7 +980,9 @@ public class KISA_SEED_CBC {
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K = pInfo.seed_key.key_data; // Pointer of round keys
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pInfo.encrypt = enc.value; //
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Common.memcpy(pInfo.ivec, pbszIV, 16, ENDIAN); |
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pInfo.last_block_flag = pInfo.buffer_length = 0; |
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pInfo.buffer_length = 0; |
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// pInfo.last_block_flag = pInfo.buffer_length = 0;
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pInfo.last_block_flag = pInfo.buffer_length; |
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// Set up input values for Key Schedule
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ABCD[ABCD_A] = Common.byte_to_int(pbszUserKey, 0*4, ENDIAN); |
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@ -1042,10 +1084,10 @@ public class KISA_SEED_CBC {
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byte[] defaultCipherText = SEED_CBC_Encrypt(pbUserKey, bszIV, pbData, 0, PLAINTEXT_LENGTH); |
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byte[] PPPPP = SEED_CBC_Decrypt(pbUserKey, bszIV, defaultCipherText, 0, CIPHERTEXT_LENGTH); |
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// byte[] defaultCipherText = SEED_CBC_Encrypt(pbUserKey, bszIV, pbData, 0, PLAINTEXT_LENGTH);
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//
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//
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// byte[] PPPPP = SEED_CBC_Decrypt(pbUserKey, bszIV, defaultCipherText, 0, CIPHERTEXT_LENGTH);
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//System.out.print("\nIV\t\t\t\t: ");
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@ -1064,9 +1106,9 @@ public class KISA_SEED_CBC {
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//System.out.print("\n\n");
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byte[] Cipher1 = SEED_CBC_Encrypt(pbUserKey, bszIV, pbData1,0, 2); |
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byte[] Plain1 = SEED_CBC_Decrypt(pbUserKey, bszIV, Cipher1, 0, 16); |
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// byte[] Cipher1 = SEED_CBC_Encrypt(pbUserKey, bszIV, pbData1,0, 2);
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//
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// byte[] Plain1 = SEED_CBC_Decrypt(pbUserKey, bszIV, Cipher1, 0, 16);
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//System.out.print("IV\t\t\t\t: ");
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//for (int i=0; i<16; i++)
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@ -1084,9 +1126,9 @@ public class KISA_SEED_CBC {
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//System.out.print("\n\n");
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byte[] Cipher2 = SEED_CBC_Encrypt(pbUserKey, bszIV, pbData2,0, 16); |
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byte[] Plain2 = SEED_CBC_Decrypt(pbUserKey, bszIV, Cipher2, 0, 32); |
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// byte[] Cipher2 = SEED_CBC_Encrypt(pbUserKey, bszIV, pbData2,0, 16);
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//
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// byte[] Plain2 = SEED_CBC_Decrypt(pbUserKey, bszIV, Cipher2, 0, 32);
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//System.out.print("IV\t\t\t\t: ");
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//for (int i=0; i<16; i++)
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@ -1106,9 +1148,9 @@ public class KISA_SEED_CBC {
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byte[] Cipher3 = SEED_CBC_Encrypt(pbUserKey, bszIV, pbData3, 0, 18); |
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byte[] Plain3 = SEED_CBC_Decrypt(pbUserKey, bszIV, Cipher3, 0, 32); |
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// byte[] Cipher3 = SEED_CBC_Encrypt(pbUserKey, bszIV, pbData3, 0, 18);
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//
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// byte[] Plain3 = SEED_CBC_Decrypt(pbUserKey, bszIV, Cipher3, 0, 32);
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// System.out.print("IV\t\t\t\t: ");
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// for (int i=0; i<16; i++)
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@ -1190,7 +1232,7 @@ public class KISA_SEED_CBC {
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int[] outbuf = new int[process_blockLeng/4]; |
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for(j=0; j<PLAINTEXT_LENGTH-process_blockLeng; ) |
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for(j=0; j<PLAINTEXT_LENGTH-process_blockLeng; j += process_blockLeng) |
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{ |
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System.arraycopy(pbData, j, newpbszPlainText, 0, process_blockLeng); |
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data = chartoint32_for_SEED_CBC(newpbszPlainText, process_blockLeng); |
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@ -1275,7 +1317,7 @@ public class KISA_SEED_CBC {
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byte []pbszPlainText = new byte[nCipherTextLen]; |
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for(j=0; j<nCipherTextLen - process_blockLeng; ) |
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for(j=0; j<nCipherTextLen - process_blockLeng; j+= process_blockLeng) |
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{ |
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System.arraycopy(message, j, newpbszCipherText, 0, process_blockLeng); |
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data = chartoint32_for_SEED_CBC(newpbszCipherText, process_blockLeng); |
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@ -1377,7 +1419,7 @@ public class KISA_SEED_CBC {
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outbuf = new int[process_blockLeng/4]; |
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pbszPlainText = new byte[process_blockLeng]; |
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for(j=0; j<PLAINTEXT_LENGTH-process_blockLeng; ) |
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for(j=0; j<PLAINTEXT_LENGTH-process_blockLeng; j+= process_blockLeng) |
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{ |
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System.arraycopy(pbData1, j, newpbszPlainText, 0, process_blockLeng); |
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data = chartoint32_for_SEED_CBC(newpbszPlainText, process_blockLeng); |
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@ -1466,7 +1508,7 @@ public class KISA_SEED_CBC {
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pbszPlainText = new byte[nCipherTextLen]; |
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for(j=0; j<nCipherTextLen - process_blockLeng; ) |
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for(j=0; j<nCipherTextLen - process_blockLeng; j+= process_blockLeng) |
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{ |
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System.arraycopy(message, j, newpbszCipherText, 0, process_blockLeng); |
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data = chartoint32_for_SEED_CBC(newpbszCipherText, process_blockLeng); |
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@ -1553,7 +1595,7 @@ public class KISA_SEED_CBC {
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outbuf = new int[process_blockLeng/4]; |
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pbszPlainText = new byte[process_blockLeng]; |
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for(j=0; j<PLAINTEXT_LENGTH-process_blockLeng; ) |
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for(j=0; j<PLAINTEXT_LENGTH-process_blockLeng; j+= process_blockLeng) |
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{ |
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System.arraycopy(pbData2, j, newpbszPlainText, 0, process_blockLeng); |
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data = chartoint32_for_SEED_CBC(newpbszPlainText, process_blockLeng); |
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@ -1641,7 +1683,7 @@ public class KISA_SEED_CBC {
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pbszPlainText = new byte[nCipherTextLen]; |
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for(j=0; j<nCipherTextLen - process_blockLeng; ) |
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for(j=0; j<nCipherTextLen - process_blockLeng; j+= process_blockLeng) |
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{ |
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System.arraycopy(message, j, newpbszCipherText, 0, process_blockLeng); |
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data = chartoint32_for_SEED_CBC(newpbszCipherText, process_blockLeng); |
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@ -1730,7 +1772,7 @@ public class KISA_SEED_CBC {
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outbuf = new int[process_blockLeng/4]; |
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pbszPlainText = new byte[process_blockLeng]; |
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for(j=0; j<PLAINTEXT_LENGTH-process_blockLeng; ) |
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for(j=0; j<PLAINTEXT_LENGTH-process_blockLeng; j+= process_blockLeng) |
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{ |
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System.arraycopy(pbData3, j, newpbszPlainText, 0, process_blockLeng); |
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data = chartoint32_for_SEED_CBC(newpbszPlainText, process_blockLeng); |
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@ -1819,7 +1861,7 @@ public class KISA_SEED_CBC {
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pbszPlainText = new byte[nCipherTextLen]; |
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for(j=0; j<nCipherTextLen - process_blockLeng; ) |
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for(j=0; j<nCipherTextLen - process_blockLeng; j+= process_blockLeng) |
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{ |
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System.arraycopy(message, j, newpbszCipherText, 0, process_blockLeng); |
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data = chartoint32_for_SEED_CBC(newpbszCipherText, process_blockLeng); |
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leehagjoon(이학준)