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Diffstat (limited to 'crypto/openssl/crypto/modes/ccm128.c')
-rw-r--r--crypto/openssl/crypto/modes/ccm128.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/crypto/openssl/crypto/modes/ccm128.c b/crypto/openssl/crypto/modes/ccm128.c
index 424722811c16..655b10350201 100644
--- a/crypto/openssl/crypto/modes/ccm128.c
+++ b/crypto/openssl/crypto/modes/ccm128.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2011-2019 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2011-2020 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
@@ -11,6 +11,14 @@
#include "modes_local.h"
#include <string.h>
+#ifndef STRICT_ALIGNMENT
+# ifdef __GNUC__
+typedef u64 u64_a1 __attribute((__aligned__(1)));
+# else
+typedef u64 u64_a1;
+# endif
+#endif
+
/*
* First you setup M and L parameters and pass the key schedule. This is
* called once per session setup...
@@ -170,8 +178,8 @@ int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx,
ctx->cmac.u[0] ^= temp.u[0];
ctx->cmac.u[1] ^= temp.u[1];
#else
- ctx->cmac.u[0] ^= ((u64 *)inp)[0];
- ctx->cmac.u[1] ^= ((u64 *)inp)[1];
+ ctx->cmac.u[0] ^= ((u64_a1 *)inp)[0];
+ ctx->cmac.u[1] ^= ((u64_a1 *)inp)[1];
#endif
(*block) (ctx->cmac.c, ctx->cmac.c, key);
(*block) (ctx->nonce.c, scratch.c, key);
@@ -181,8 +189,8 @@ int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx,
temp.u[1] ^= scratch.u[1];
memcpy(out, temp.c, 16);
#else
- ((u64 *)out)[0] = scratch.u[0] ^ ((u64 *)inp)[0];
- ((u64 *)out)[1] = scratch.u[1] ^ ((u64 *)inp)[1];
+ ((u64_a1 *)out)[0] = scratch.u[0] ^ ((u64_a1 *)inp)[0];
+ ((u64_a1 *)out)[1] = scratch.u[1] ^ ((u64_a1 *)inp)[1];
#endif
inp += 16;
out += 16;
@@ -254,8 +262,10 @@ int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx,
ctx->cmac.u[1] ^= (scratch.u[1] ^= temp.u[1]);
memcpy(out, scratch.c, 16);
#else
- ctx->cmac.u[0] ^= (((u64 *)out)[0] = scratch.u[0] ^ ((u64 *)inp)[0]);
- ctx->cmac.u[1] ^= (((u64 *)out)[1] = scratch.u[1] ^ ((u64 *)inp)[1]);
+ ctx->cmac.u[0] ^= (((u64_a1 *)out)[0]
+ = scratch.u[0] ^ ((u64_a1 *)inp)[0]);
+ ctx->cmac.u[1] ^= (((u64_a1 *)out)[1]
+ = scratch.u[1] ^ ((u64_a1 *)inp)[1]);
#endif
(*block) (ctx->cmac.c, ctx->cmac.c, key);