1 files changed, 61 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/rc5/rc5_skey.c b/openssl-1.1.0h/crypto/rc5/rc5_skey.c
new file mode 100644
index 0000000..943a784
--- /dev/null
+++ b/openssl-1.1.0h/crypto/rc5/rc5_skey.c
@@ -0,0 +1,61 @@
+/*
+ * 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/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;
+    }
+}