From: Andy Polyakov <appro@openssl.org>
Date: Mon, 23 Aug 2004 22:19:51 +0000 (+0000)
Subject: Make aes_ctr.c 64-bit savvy.
X-Git-Tag: BEN_FIPS_TEST_6~14^2~96
X-Git-Url: https://git.openssl.org/?p=openssl.git;a=commitdiff_plain;h=14fa6ad9f9c92ef9e28311b4df5a02fdb0d1ec27

Make aes_ctr.c 64-bit savvy.
---

diff --git a/crypto/aes/aes_ctr.c b/crypto/aes/aes_ctr.c
index 2487d83fb1..f36982be1e 100644
--- a/crypto/aes/aes_ctr.c
+++ b/crypto/aes/aes_ctr.c
@@ -68,7 +68,7 @@ static void AES_ctr128_inc(unsigned char *counter) {
 
 	/* Grab bottom dword of counter and increment */
 	c = GETU32(counter + 12);
-	c++;
+	c++;	c &= 0xFFFFFFFF;
 	PUTU32(counter + 12, c);
 
 	/* if no overflow, we're done */
@@ -77,7 +77,7 @@ static void AES_ctr128_inc(unsigned char *counter) {
 
 	/* Grab 1st dword of counter and increment */
 	c = GETU32(counter +  8);
-	c++;
+	c++;	c &= 0xFFFFFFFF;
 	PUTU32(counter +  8, c);
 
 	/* if no overflow, we're done */
@@ -86,7 +86,7 @@ static void AES_ctr128_inc(unsigned char *counter) {
 
 	/* Grab 2nd dword of counter and increment */
 	c = GETU32(counter +  4);
-	c++;
+	c++;	c &= 0xFFFFFFFF;
 	PUTU32(counter +  4, c);
 
 	/* if no overflow, we're done */
@@ -95,7 +95,7 @@ static void AES_ctr128_inc(unsigned char *counter) {
 
 	/* Grab top dword of counter and increment */
 	c = GETU32(counter +  0);
-	c++;
+	c++;	c &= 0xFFFFFFFF;
 	PUTU32(counter +  0, c);
 }