From 859ceeeb5174ce50842112c05230cebb59702e83 Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Sun, 18 Jul 2004 17:26:01 +0000
Subject: [PATCH] Anchor AES and SHA-256/-512 assembler from C.

---
 crypto/aes/aes_core.c   | 2 ++
 crypto/bn/asm/bn-586.pl | 3 ++-
 crypto/sha/sha256.c     | 4 ++++
 crypto/sha/sha512.c     | 8 +++++++-
 4 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/crypto/aes/aes_core.c b/crypto/aes/aes_core.c
index 2f41a825f8..29e41edd10 100644
--- a/crypto/aes/aes_core.c
+++ b/crypto/aes/aes_core.c
@@ -873,6 +873,7 @@ int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
 	return 0;
 }
 
+#ifndef AES_ASM
 /*
  * Encrypt a single block
  * in and out can overlap
@@ -1255,3 +1256,4 @@ void AES_decrypt(const unsigned char *in, unsigned char *out,
 	PUTU32(out + 12, s3);
 }
 
+#endif /* AES_ASM */
diff --git a/crypto/bn/asm/bn-586.pl b/crypto/bn/asm/bn-586.pl
index 9a7c64c464..0415015f65 100644
--- a/crypto/bn/asm/bn-586.pl
+++ b/crypto/bn/asm/bn-586.pl
@@ -5,7 +5,8 @@ require "x86asm.pl";
 
 &asm_init($ARGV[0],$0);
 
-$sse2=0;	# SSE2 is temporarily disabled...
+$sse2=0;
+for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 
 &bn_mul_add_words("bn_mul_add_words");
 &bn_mul_words("bn_mul_words");
diff --git a/crypto/sha/sha256.c b/crypto/sha/sha256.c
index 2f4078f444..21aa5d7d0d 100644
--- a/crypto/sha/sha256.c
+++ b/crypto/sha/sha256.c
@@ -117,6 +117,9 @@ void sha256_block_data_order (SHA256_CTX *ctx, const void *in, size_t num);
 
 #include "md32_common.h"
 
+#ifdef SHA256_ASM
+void sha256_block (SHA256_CTX *ctx, const void *in, size_t num, int host);
+#else
 static const SHA_LONG K256[64] = {
 	0x428a2f98UL,0x71374491UL,0xb5c0fbcfUL,0xe9b5dba5UL,
 	0x3956c25bUL,0x59f111f1UL,0x923f82a4UL,0xab1c5ed5UL,
@@ -296,6 +299,7 @@ static void sha256_block (SHA256_CTX *ctx, const void *in, size_t num, int host)
 	}
 
 #endif
+#endif /* SHA256_ASM */
 
 /*
  * Idea is to trade couple of cycles for some space. On IA-32 we save
diff --git a/crypto/sha/sha512.c b/crypto/sha/sha512.c
index dc1047d59e..5f7a8dee6d 100644
--- a/crypto/sha/sha512.c
+++ b/crypto/sha/sha512.c
@@ -83,7 +83,10 @@ int SHA512_Init (SHA512_CTX *c)
         return 1;
 	}
 
-static void sha512_block (SHA512_CTX *ctx, const void *in, size_t num);
+#ifndef SHA512_ASM
+static
+#endif
+void sha512_block (SHA512_CTX *ctx, const void *in, size_t num);
 
 int SHA512_Final (unsigned char *md, SHA512_CTX *c)
 	{
@@ -241,6 +244,7 @@ unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md)
 	return(md);
 	}
 
+#ifndef SHA512_ASM
 static const SHA_LONG64 K512[80] = {
         U64(0x428a2f98d728ae22),U64(0x7137449123ef65cd),
         U64(0xb5c0fbcfec4d3b2f),U64(0xe9b5dba58189dbbc),
@@ -476,3 +480,5 @@ static void sha512_block (SHA512_CTX *ctx, const void *in, size_t num)
 	}
 
 #endif
+
+#endif /* SHA512_ASM */
-- 
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