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authormrezai2016-04-15 19:03:35 +0430
committerRémi Verschelde2016-04-27 08:49:39 +0200
commit3efa0f130dbaaba5eecb42f76ed7518eedfdf0c8 (patch)
tree91da0400f0a1386f7122e25c559abdfb53a9ec9e /drivers/builtin_openssl2/crypto/modes/wrap128.c
parent47c7b535d2cdcb89c7799475662c70ca9c7ff41d (diff)
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Update OpenSSL to version 1.0.2g
(cherry picked from commit e97922f22038e9049ed4c2db5b3736dfaa0edde3)
Diffstat (limited to 'drivers/builtin_openssl2/crypto/modes/wrap128.c')
-rw-r--r--drivers/builtin_openssl2/crypto/modes/wrap128.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/drivers/builtin_openssl2/crypto/modes/wrap128.c b/drivers/builtin_openssl2/crypto/modes/wrap128.c
new file mode 100644
index 000000000..384978371
--- /dev/null
+++ b/drivers/builtin_openssl2/crypto/modes/wrap128.c
@@ -0,0 +1,138 @@
+/* crypto/modes/wrap128.c */
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2013 The OpenSSL Project. All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ */
+
+#include "cryptlib.h"
+#include <openssl/modes.h>
+
+static const unsigned char default_iv[] = {
+ 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
+};
+
+/*
+ * Input size limit: lower than maximum of standards but far larger than
+ * anything that will be used in practice.
+ */
+#define CRYPTO128_WRAP_MAX (1UL << 31)
+
+size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
+ unsigned char *out,
+ const unsigned char *in, size_t inlen,
+ block128_f block)
+{
+ unsigned char *A, B[16], *R;
+ size_t i, j, t;
+ if ((inlen & 0x7) || (inlen < 8) || (inlen > CRYPTO128_WRAP_MAX))
+ return 0;
+ A = B;
+ t = 1;
+ memmove(out + 8, in, inlen);
+ if (!iv)
+ iv = default_iv;
+
+ memcpy(A, iv, 8);
+
+ for (j = 0; j < 6; j++) {
+ R = out + 8;
+ for (i = 0; i < inlen; i += 8, t++, R += 8) {
+ memcpy(B + 8, R, 8);
+ block(B, B, key);
+ A[7] ^= (unsigned char)(t & 0xff);
+ if (t > 0xff) {
+ A[6] ^= (unsigned char)((t >> 8) & 0xff);
+ A[5] ^= (unsigned char)((t >> 16) & 0xff);
+ A[4] ^= (unsigned char)((t >> 24) & 0xff);
+ }
+ memcpy(R, B + 8, 8);
+ }
+ }
+ memcpy(out, A, 8);
+ return inlen + 8;
+}
+
+size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
+ unsigned char *out,
+ const unsigned char *in, size_t inlen,
+ block128_f block)
+{
+ unsigned char *A, B[16], *R;
+ size_t i, j, t;
+ inlen -= 8;
+ if ((inlen & 0x7) || (inlen < 16) || (inlen > CRYPTO128_WRAP_MAX))
+ return 0;
+ A = B;
+ t = 6 * (inlen >> 3);
+ memcpy(A, in, 8);
+ memmove(out, in + 8, inlen);
+ for (j = 0; j < 6; j++) {
+ R = out + inlen - 8;
+ for (i = 0; i < inlen; i += 8, t--, R -= 8) {
+ A[7] ^= (unsigned char)(t & 0xff);
+ if (t > 0xff) {
+ A[6] ^= (unsigned char)((t >> 8) & 0xff);
+ A[5] ^= (unsigned char)((t >> 16) & 0xff);
+ A[4] ^= (unsigned char)((t >> 24) & 0xff);
+ }
+ memcpy(B + 8, R, 8);
+ block(B, B, key);
+ memcpy(R, B + 8, 8);
+ }
+ }
+ if (!iv)
+ iv = default_iv;
+ if (memcmp(A, iv, 8)) {
+ OPENSSL_cleanse(out, inlen);
+ return 0;
+ }
+ return inlen;
+}