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authorRémi Verschelde <rverschelde@gmail.com>2016-10-12 23:06:17 +0200
committerRémi Verschelde <rverschelde@gmail.com>2016-10-15 11:50:41 +0200
commit422196759f93df249db38619f136cabd5dcf42cd (patch)
tree1e5846507af0f8f1bc7ca294ccfb0d4ac3392d17 /thirdparty/openssl/crypto/rc2/rc2_cbc.c
parentd9a291f6411f2e571c181da0ac89f550ba73f681 (diff)
openssl: Move to a module and split thirdparty lib
Same rationale as the previous commits.
Diffstat (limited to 'thirdparty/openssl/crypto/rc2/rc2_cbc.c')
-rw-r--r--thirdparty/openssl/crypto/rc2/rc2_cbc.c228
1 files changed, 228 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/rc2/rc2_cbc.c b/thirdparty/openssl/crypto/rc2/rc2_cbc.c
new file mode 100644
index 0000000000..5eaf01d2e0
--- /dev/null
+++ b/thirdparty/openssl/crypto/rc2/rc2_cbc.c
@@ -0,0 +1,228 @@
+/* crypto/rc2/rc2_cbc.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <openssl/rc2.h>
+#include "rc2_locl.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);
+}