From f0882e2c21ce58d8b5b32366d8bee39bb48173b1 Mon Sep 17 00:00:00 2001
From: Justin Smith <justsmth@amazon.com>
Date: Fri, 7 Jun 2024 16:38:06 -0400
Subject: [PATCH] sha1 - fixes for ppc64le

---
 crypto/fipsmodule/sha/internal.h  | 8 +++++++-
 crypto/fipsmodule/sha/sha1.c      | 4 ++--
 crypto/fipsmodule/sha/sha_test.cc | 3 +--
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/crypto/fipsmodule/sha/internal.h b/crypto/fipsmodule/sha/internal.h
index 076f69b4341..86b8cd1b1f2 100644
--- a/crypto/fipsmodule/sha/internal.h
+++ b/crypto/fipsmodule/sha/internal.h
@@ -72,7 +72,13 @@ struct keccak_st {
 // Define SHA{n}[_{variant}]_ASM if sha{n}_block_data_order[_{variant}] is
 // defined in assembly.
 
-#if !defined(OPENSSL_NO_ASM) && (defined(OPENSSL_X86) || defined(OPENSSL_ARM))
+#if defined(OPENSSL_PPC64LE)
+#define SHA1_ALTIVEC
+
+void sha1_block_data_order(uint32_t *state, const uint8_t *data,
+                             size_t num_blocks);
+
+#elif !defined(OPENSSL_NO_ASM) && (defined(OPENSSL_X86) || defined(OPENSSL_ARM))
 #define SHA1_ASM
 #define SHA256_ASM
 #define SHA512_ASM
diff --git a/crypto/fipsmodule/sha/sha1.c b/crypto/fipsmodule/sha/sha1.c
index af3decca022..ed7136c1de7 100644
--- a/crypto/fipsmodule/sha/sha1.c
+++ b/crypto/fipsmodule/sha/sha1.c
@@ -91,7 +91,7 @@ uint8_t *SHA1(const uint8_t *data, size_t len, uint8_t out[SHA_DIGEST_LENGTH]) {
   return out;
 }
 
-#if !defined(SHA1_ASM)
+#if !defined(SHA1_ASM) && !defined(SHA1_ALTIVEC)
 static void sha1_block_data_order(uint32_t *state, const uint8_t *data,
                                   size_t num);
 #endif
@@ -196,7 +196,7 @@ int SHA1_Final(uint8_t out[SHA_DIGEST_LENGTH], SHA_CTX *c) {
 *         <appro@fy.chalmers.se> */
 #define X(i)  XX##i
 
-#if !defined(SHA1_ASM)
+#if !defined(SHA1_ASM) && !defined(SHA1_ALTIVEC)
 
 #if !defined(SHA1_ASM_NOHW)
 static void sha1_block_data_order_nohw(uint32_t *state, const uint8_t *data,
diff --git a/crypto/fipsmodule/sha/sha_test.cc b/crypto/fipsmodule/sha/sha_test.cc
index 3c989c261e7..d6700ffd8e5 100644
--- a/crypto/fipsmodule/sha/sha_test.cc
+++ b/crypto/fipsmodule/sha/sha_test.cc
@@ -21,8 +21,7 @@
 #include "../../test/abi_test.h"
 #include "internal.h"
 
-#if defined(SUPPORTS_ABI_TEST)
-
+#if defined(SHA1_ASM) && defined(SUPPORTS_ABI_TEST)
 TEST(SHATest, SHA1ABI) {
   SHA_CTX ctx;
   SHA1_Init(&ctx);