:-'Generic Commit'

dropshell-tool/openssl-1.1.1w/crypto/bf/bf_skey.c

@@ -0,0 +1,67 @@
+/*
+ * 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 <stdio.h>
+#include <string.h>
+#include <openssl/blowfish.h>
+#include "bf_local.h"
+#include "bf_pi.h"
+
+void BF_set_key(BF_KEY *key, int len, const unsigned char *data)
+{
+    int i;
+    BF_LONG *p, ri, in[2];
+    const unsigned char *d, *end;
+
+    memcpy(key, &bf_init, sizeof(BF_KEY));
+    p = key->P;
+
+    if (len > ((BF_ROUNDS + 2) * 4))
+        len = (BF_ROUNDS + 2) * 4;
+
+    d = data;
+    end = &(data[len]);
+    for (i = 0; i < (BF_ROUNDS + 2); i++) {
+        ri = *(d++);
+        if (d >= end)
+            d = data;
+
+        ri <<= 8;
+        ri |= *(d++);
+        if (d >= end)
+            d = data;
+
+        ri <<= 8;
+        ri |= *(d++);
+        if (d >= end)
+            d = data;
+
+        ri <<= 8;
+        ri |= *(d++);
+        if (d >= end)
+            d = data;
+
+        p[i] ^= ri;
+    }
+
+    in[0] = 0L;
+    in[1] = 0L;
+    for (i = 0; i < (BF_ROUNDS + 2); i += 2) {
+        BF_encrypt(in, key);
+        p[i] = in[0];
+        p[i + 1] = in[1];
+    }
+
+    p = key->S;
+    for (i = 0; i < 4 * 256; i += 2) {
+        BF_encrypt(in, key);
+        p[i] = in[0];
+        p[i + 1] = in[1];
+    }
+}