[Cmake-commits] CMake branch, next, updated. v3.7.0-1382-gaafa5e7

[Brad King]

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The branch, next has been updated
       via  aafa5e76c80c4850a7767d47fb8026d70b4b9a52 (commit)
       via  9e07ffa4e4211ca165f24c1f45744fbe7984a43f (commit)
      from  35edbdb02c0566eb56c3b649450caf68607b5216 (commit)

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- Log -----------------------------------------------------------------
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=aafa5e76c80c4850a7767d47fb8026d70b4b9a52
commit aafa5e76c80c4850a7767d47fb8026d70b4b9a52
Merge: 35edbdb 9e07ffa
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Tue Nov 29 08:31:12 2016 -0500
Commit:     CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Tue Nov 29 08:31:12 2016 -0500

    Merge topic 'librhash-left-shift-unsigned' into next
    
    9e07ffa4 librhash: Avoid signed left-shift overflow in sha256


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=9e07ffa4e4211ca165f24c1f45744fbe7984a43f
commit 9e07ffa4e4211ca165f24c1f45744fbe7984a43f
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Tue Nov 29 08:28:31 2016 -0500
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Tue Nov 29 08:30:25 2016 -0500

    librhash: Avoid signed left-shift overflow in sha256
    
    Fix `rhash_sha256_final` to use unsigned integers for left shifting to
    avoid the possibility of undefined overflow behavior.

diff --git a/Utilities/cmlibrhash/librhash/sha256.c b/Utilities/cmlibrhash/librhash/sha256.c
index 064dfe2..af5b0fe 100644
--- a/Utilities/cmlibrhash/librhash/sha256.c
+++ b/Utilities/cmlibrhash/librhash/sha256.c
@@ -218,8 +218,8 @@ void rhash_sha256_final(sha256_ctx *ctx, unsigned char* result)
 	/* pad message and run for last block */
 
 	/* append the byte 0x80 to the message */
-	ctx->message[index]   &= le2me_32(~(0xFFFFFFFF << shift));
-	ctx->message[index++] ^= le2me_32(0x80 << shift);
+	ctx->message[index]   &= le2me_32(~(0xFFFFFFFFu << shift));
+	ctx->message[index++] ^= le2me_32(0x80u << shift);
 
 	/* if no room left in the message to store 64-bit message length */
 	if (index > 14) {

-----------------------------------------------------------------------

Summary of changes:
 Utilities/cmlibrhash/librhash/sha256.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


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