From 68edd00d9258df93b1366c71ac124e0cadf7bc08 Mon Sep 17 00:00:00 2001 From: djm <> Date: Fri, 29 Apr 2005 05:39:33 +0000 Subject: resolve conflicts --- src/lib/libcrypto/aes/aes_ctr.c | 35 +++++------------------------------ 1 file changed, 5 insertions(+), 30 deletions(-) (limited to 'src/lib/libcrypto/aes/aes_ctr.c') diff --git a/src/lib/libcrypto/aes/aes_ctr.c b/src/lib/libcrypto/aes/aes_ctr.c index 79e1c18f19..f36982be1e 100644 --- a/src/lib/libcrypto/aes/aes_ctr.c +++ b/src/lib/libcrypto/aes/aes_ctr.c @@ -59,7 +59,7 @@ #include #include "aes_locl.h" -/* NOTE: CTR mode is big-endian. The rest of the AES code +/* NOTE: the IV/counter CTR mode is big-endian. The rest of the AES code * is endian-neutral. */ /* increment counter (128-bit int) by 1 */ @@ -67,61 +67,36 @@ static void AES_ctr128_inc(unsigned char *counter) { unsigned long c; /* Grab bottom dword of counter and increment */ -#ifdef L_ENDIAN - c = GETU32(counter + 0); - c++; - PUTU32(counter + 0, c); -#else c = GETU32(counter + 12); - c++; + c++; c &= 0xFFFFFFFF; PUTU32(counter + 12, c); -#endif /* if no overflow, we're done */ if (c) return; /* Grab 1st dword of counter and increment */ -#ifdef L_ENDIAN - c = GETU32(counter + 4); - c++; - PUTU32(counter + 4, c); -#else c = GETU32(counter + 8); - c++; + c++; c &= 0xFFFFFFFF; PUTU32(counter + 8, c); -#endif /* if no overflow, we're done */ if (c) return; /* Grab 2nd dword of counter and increment */ -#ifdef L_ENDIAN - c = GETU32(counter + 8); - c++; - PUTU32(counter + 8, c); -#else c = GETU32(counter + 4); - c++; + c++; c &= 0xFFFFFFFF; PUTU32(counter + 4, c); -#endif /* if no overflow, we're done */ if (c) return; /* Grab top dword of counter and increment */ -#ifdef L_ENDIAN - c = GETU32(counter + 12); - c++; - PUTU32(counter + 12, c); -#else c = GETU32(counter + 0); - c++; + c++; c &= 0xFFFFFFFF; PUTU32(counter + 0, c); -#endif - } /* The input encrypted as though 128bit counter mode is being -- cgit v1.2.3-55-g6feb