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authorRĂ©mi Verschelde <remi@verschelde.fr>2016-10-16 11:52:09 +0200
committerGitHub <noreply@github.com>2016-10-16 11:52:09 +0200
commit89132224a651c0e0d4121270f63decb9a678ff88 (patch)
tree224a008705391b6e5b560d2c0426380651756383 /thirdparty/openssl/crypto/rc5/rc5_skey.c
parenteb8d19ba740c11acf0f26080405fc5cd827a2d41 (diff)
parente57042e8a93e4f3d65cc91633f5af0daedf69a2a (diff)
Merge pull request #6830 from akien-mga/thirdparty
Move most "drivers" as toggleable "modules" and split their thirdparty libraries in an own tree
Diffstat (limited to 'thirdparty/openssl/crypto/rc5/rc5_skey.c')
-rw-r--r--thirdparty/openssl/crypto/rc5/rc5_skey.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/rc5/rc5_skey.c b/thirdparty/openssl/crypto/rc5/rc5_skey.c
new file mode 100644
index 0000000000..5dd4a52743
--- /dev/null
+++ b/thirdparty/openssl/crypto/rc5/rc5_skey.c
@@ -0,0 +1,110 @@
+/* crypto/rc5/rc5_skey.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/rc5.h>
+#include "rc5_locl.h"
+
+void RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data,
+ int rounds)
+{
+ RC5_32_INT L[64], l, ll, A, B, *S, k;
+ int i, j, m, c, t, ii, jj;
+
+ if ((rounds != RC5_16_ROUNDS) &&
+ (rounds != RC5_12_ROUNDS) && (rounds != RC5_8_ROUNDS))
+ rounds = RC5_16_ROUNDS;
+
+ key->rounds = rounds;
+ S = &(key->data[0]);
+ j = 0;
+ for (i = 0; i <= (len - 8); i += 8) {
+ c2l(data, l);
+ L[j++] = l;
+ c2l(data, l);
+ L[j++] = l;
+ }
+ ii = len - i;
+ if (ii) {
+ k = len & 0x07;
+ c2ln(data, l, ll, k);
+ L[j + 0] = l;
+ L[j + 1] = ll;
+ }
+
+ c = (len + 3) / 4;
+ t = (rounds + 1) * 2;
+ S[0] = RC5_32_P;
+ for (i = 1; i < t; i++)
+ S[i] = (S[i - 1] + RC5_32_Q) & RC5_32_MASK;
+
+ j = (t > c) ? t : c;
+ j *= 3;
+ ii = jj = 0;
+ A = B = 0;
+ for (i = 0; i < j; i++) {
+ k = (S[ii] + A + B) & RC5_32_MASK;
+ A = S[ii] = ROTATE_l32(k, 3);
+ m = (int)(A + B);
+ k = (L[jj] + A + B) & RC5_32_MASK;
+ B = L[jj] = ROTATE_l32(k, m);
+ if (++ii >= t)
+ ii = 0;
+ if (++jj >= c)
+ jj = 0;
+ }
+}