Use the correct key order for 3des-ctr.

[u/mdw/putty] / sshdes.c

diff --git a/sshdes.c b/sshdes.c
index 833c689..f926fca 100644 (file)
--- a/sshdes.c
+++ b/sshdes.c
@@ -744,9 +744,9 @@ static void des_sdctr3(unsigned char *dest, const unsigned char *src,
     iv0 = scheds->iv0;
     iv1 = scheds->iv1;
     for (i = 0; i < len; i += 8) {
-       des_encipher(b, iv0, iv1, &scheds[2]);
+       des_encipher(b, iv0, iv1, &scheds[0]);
        des_decipher(b, b[0], b[1], &scheds[1]);
-       des_encipher(b, b[0], b[1], &scheds[0]);
+       des_encipher(b, b[0], b[1], &scheds[2]);
        tmp = GET_32BIT_MSB_FIRST(src);
        PUT_32BIT_MSB_FIRST(dest, tmp ^ b[0]);
        src += 4;