Move {Read,Write}{LE,BE}{32,64} to common.h and use builtins if possible

1 files changed, 2 insertions, 15 deletions

diff --git a/src/crypto/sha1.cpp b/src/crypto/sha1.cpp
index 4b2e3e19d1..e0f32b7d1d 100644
--- a/src/crypto/sha1.cpp
+++ b/src/crypto/sha1.cpp
@@ -4,24 +4,12 @@
 
 #include "crypto/sha1.h"
 
+#include "crypto/common.h"
 #include <string.h>
 
 // Internal implementation code.
 namespace {
 
-/** Read 4 bytes, and interpret them as a 32-bit unsigned big-endian integer. */
-uint32_t inline ReadBE32(const unsigned char *data) {
-    return ((uint32_t)data[0] << 24 | (uint32_t)data[1] << 16 | (uint32_t)data[2] << 8 | (uint32_t)data[3]);
-}
-
-/** Write a 32-bit unsigned big-endian integer. */
-void inline WriteBE32(unsigned char *data, uint32_t x) {
-    data[0] = x >> 24;
-    data[1] = x >> 16;
-    data[2] = x >> 8;
-    data[3] = x;
-}
-
 /// Internal SHA-1 implementation.
 namespace sha1 {
 
@@ -187,8 +175,7 @@ CSHA1& CSHA1::Write(const unsigned char *data, size_t len) {
 void CSHA1::Finalize(unsigned char *hash) {
     static const unsigned char pad[64] = {0x80};
     unsigned char sizedesc[8];
-    WriteBE32(sizedesc, bytes >> 29);
-    WriteBE32(sizedesc+4, bytes << 3);
+    WriteBE64(sizedesc, bytes << 3);
     Write(pad, 1 + ((119 - (bytes % 64)) % 64));
     Write(sizedesc, 8);
     WriteBE32(hash, s[0]);