From 5018b21486fe3d91084c0d32a86d1240d832e25e Mon Sep 17 00:00:00 2001
From: miod <>
Date: Wed, 18 Mar 2015 05:26:10 +0000
Subject: In the neverending saga of enabling and disabling assembler code for
 sha routines on hppa, the cause for sha512-parisc subtly misbehaving has been
 found: despite having fallback pa1.1 code when running on a 32-bit cpu, the
 shift constants used in the sigma computations in sha512 are >= 32 and are
 silently truncated to 5 bits by the assembler, so there is no chance of
 getting this code to work on a non-pa2.0 processor.

However, the pa1.1 fallback code for sha256 is safe, as it never attempts to
shift by more than 31, so reenable it again.
---
 src/lib/libcrypto/arch/hppa/Makefile.inc        | 6 +-----
 src/lib/libcrypto/crypto/arch/hppa/Makefile.inc | 6 +-----
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/src/lib/libcrypto/arch/hppa/Makefile.inc b/src/lib/libcrypto/arch/hppa/Makefile.inc
index d8ca1065d6..0e18de2074 100644
--- a/src/lib/libcrypto/arch/hppa/Makefile.inc
+++ b/src/lib/libcrypto/arch/hppa/Makefile.inc
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile.inc,v 1.8 2015/03/05 20:35:28 miod Exp $
+# $OpenBSD: Makefile.inc,v 1.9 2015/03/18 05:26:10 miod Exp $
 
 # hppa-specific libcrypto build rules
 
@@ -30,12 +30,8 @@ SRCS+= rc4_enc.c rc4_skey.c
 # sha
 CFLAGS+= -DSHA1_ASM
 SSLASM+= sha sha1-parisc sha1-parisc
-.if 0	# sha512 subtly broken, sha256 probably as well
 CFLAGS+= -DSHA256_ASM
 SSLASM+= sha sha512-parisc sha256-parisc
-CFLAGS+= -DSHA512_ASM
-SSLASM+= sha sha512-parisc sha512-parisc
-.endif
 # whrlpool
 SRCS+= wp_block.c
 
diff --git a/src/lib/libcrypto/crypto/arch/hppa/Makefile.inc b/src/lib/libcrypto/crypto/arch/hppa/Makefile.inc
index d8ca1065d6..0e18de2074 100644
--- a/src/lib/libcrypto/crypto/arch/hppa/Makefile.inc
+++ b/src/lib/libcrypto/crypto/arch/hppa/Makefile.inc
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile.inc,v 1.8 2015/03/05 20:35:28 miod Exp $
+# $OpenBSD: Makefile.inc,v 1.9 2015/03/18 05:26:10 miod Exp $
 
 # hppa-specific libcrypto build rules
 
@@ -30,12 +30,8 @@ SRCS+= rc4_enc.c rc4_skey.c
 # sha
 CFLAGS+= -DSHA1_ASM
 SSLASM+= sha sha1-parisc sha1-parisc
-.if 0	# sha512 subtly broken, sha256 probably as well
 CFLAGS+= -DSHA256_ASM
 SSLASM+= sha sha512-parisc sha256-parisc
-CFLAGS+= -DSHA512_ASM
-SSLASM+= sha sha512-parisc sha512-parisc
-.endif
 # whrlpool
 SRCS+= wp_block.c
 
-- 
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