intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 179 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/rc2/rc2_cbc.c b/contrib/libs/openssl/crypto/rc2/rc2_cbc.c
new file mode 100644
index 0000000000..17e86f690e
--- /dev/null
+++ b/contrib/libs/openssl/crypto/rc2/rc2_cbc.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/rc2.h>
+#include "rc2_local.h"
+
+void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
+                     RC2_KEY *ks, unsigned char *iv, int encrypt)
+{
+    register unsigned long tin0, tin1;
+    register unsigned long tout0, tout1, xor0, xor1;
+    register long l = length;
+    unsigned long tin[2];
+
+    if (encrypt) {
+        c2l(iv, tout0);
+        c2l(iv, tout1);
+        iv -= 8;
+        for (l -= 8; l >= 0; l -= 8) {
+            c2l(in, tin0);
+            c2l(in, tin1);
+            tin0 ^= tout0;
+            tin1 ^= tout1;
+            tin[0] = tin0;
+            tin[1] = tin1;
+            RC2_encrypt(tin, ks);
+            tout0 = tin[0];
+            l2c(tout0, out);
+            tout1 = tin[1];
+            l2c(tout1, out);
+        }
+        if (l != -8) {
+            c2ln(in, tin0, tin1, l + 8);
+            tin0 ^= tout0;
+            tin1 ^= tout1;
+            tin[0] = tin0;
+            tin[1] = tin1;
+            RC2_encrypt(tin, ks);
+            tout0 = tin[0];
+            l2c(tout0, out);
+            tout1 = tin[1];
+            l2c(tout1, out);
+        }
+        l2c(tout0, iv);
+        l2c(tout1, iv);
+    } else {
+        c2l(iv, xor0);
+        c2l(iv, xor1);
+        iv -= 8;
+        for (l -= 8; l >= 0; l -= 8) {
+            c2l(in, tin0);
+            tin[0] = tin0;
+            c2l(in, tin1);
+            tin[1] = tin1;
+            RC2_decrypt(tin, ks);
+            tout0 = tin[0] ^ xor0;
+            tout1 = tin[1] ^ xor1;
+            l2c(tout0, out);
+            l2c(tout1, out);
+            xor0 = tin0;
+            xor1 = tin1;
+        }
+        if (l != -8) {
+            c2l(in, tin0);
+            tin[0] = tin0;
+            c2l(in, tin1);
+            tin[1] = tin1;
+            RC2_decrypt(tin, ks);
+            tout0 = tin[0] ^ xor0;
+            tout1 = tin[1] ^ xor1;
+            l2cn(tout0, tout1, out, l + 8);
+            xor0 = tin0;
+            xor1 = tin1;
+        }
+        l2c(xor0, iv);
+        l2c(xor1, iv);
+    }
+    tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
+    tin[0] = tin[1] = 0;
+}
+
+void RC2_encrypt(unsigned long *d, RC2_KEY *key)
+{
+    int i, n;
+    register RC2_INT *p0, *p1;
+    register RC2_INT x0, x1, x2, x3, t;
+    unsigned long l;
+
+    l = d[0];
+    x0 = (RC2_INT) l & 0xffff;
+    x1 = (RC2_INT) (l >> 16L);
+    l = d[1];
+    x2 = (RC2_INT) l & 0xffff;
+    x3 = (RC2_INT) (l >> 16L);
+
+    n = 3;
+    i = 5;
+
+    p0 = p1 = &(key->data[0]);
+    for (;;) {
+        t = (x0 + (x1 & ~x3) + (x2 & x3) + *(p0++)) & 0xffff;
+        x0 = (t << 1) | (t >> 15);
+        t = (x1 + (x2 & ~x0) + (x3 & x0) + *(p0++)) & 0xffff;
+        x1 = (t << 2) | (t >> 14);
+        t = (x2 + (x3 & ~x1) + (x0 & x1) + *(p0++)) & 0xffff;
+        x2 = (t << 3) | (t >> 13);
+        t = (x3 + (x0 & ~x2) + (x1 & x2) + *(p0++)) & 0xffff;
+        x3 = (t << 5) | (t >> 11);
+
+        if (--i == 0) {
+            if (--n == 0)
+                break;
+            i = (n == 2) ? 6 : 5;
+
+            x0 += p1[x3 & 0x3f];
+            x1 += p1[x0 & 0x3f];
+            x2 += p1[x1 & 0x3f];
+            x3 += p1[x2 & 0x3f];
+        }
+    }
+
+    d[0] =
+        (unsigned long)(x0 & 0xffff) | ((unsigned long)(x1 & 0xffff) << 16L);
+    d[1] =
+        (unsigned long)(x2 & 0xffff) | ((unsigned long)(x3 & 0xffff) << 16L);
+}
+
+void RC2_decrypt(unsigned long *d, RC2_KEY *key)
+{
+    int i, n;
+    register RC2_INT *p0, *p1;
+    register RC2_INT x0, x1, x2, x3, t;
+    unsigned long l;
+
+    l = d[0];
+    x0 = (RC2_INT) l & 0xffff;
+    x1 = (RC2_INT) (l >> 16L);
+    l = d[1];
+    x2 = (RC2_INT) l & 0xffff;
+    x3 = (RC2_INT) (l >> 16L);
+
+    n = 3;
+    i = 5;
+
+    p0 = &(key->data[63]);
+    p1 = &(key->data[0]);
+    for (;;) {
+        t = ((x3 << 11) | (x3 >> 5)) & 0xffff;
+        x3 = (t - (x0 & ~x2) - (x1 & x2) - *(p0--)) & 0xffff;
+        t = ((x2 << 13) | (x2 >> 3)) & 0xffff;
+        x2 = (t - (x3 & ~x1) - (x0 & x1) - *(p0--)) & 0xffff;
+        t = ((x1 << 14) | (x1 >> 2)) & 0xffff;
+        x1 = (t - (x2 & ~x0) - (x3 & x0) - *(p0--)) & 0xffff;
+        t = ((x0 << 15) | (x0 >> 1)) & 0xffff;
+        x0 = (t - (x1 & ~x3) - (x2 & x3) - *(p0--)) & 0xffff;
+
+        if (--i == 0) {
+            if (--n == 0)
+                break;
+            i = (n == 2) ? 6 : 5;
+
+            x3 = (x3 - p1[x2 & 0x3f]) & 0xffff;
+            x2 = (x2 - p1[x1 & 0x3f]) & 0xffff;
+            x1 = (x1 - p1[x0 & 0x3f]) & 0xffff;
+            x0 = (x0 - p1[x3 & 0x3f]) & 0xffff;
+        }
+    }
+
+    d[0] =
+        (unsigned long)(x0 & 0xffff) | ((unsigned long)(x1 & 0xffff) << 16L);
+    d[1] =
+        (unsigned long)(x2 & 0xffff) | ((unsigned long)(x3 & 0xffff) << 16L);
+}