style: clang-formatmain

2 files changed, 66 insertions, 36 deletions

diff --git a/src/main.cc b/src/main.cc
index 9f01c14..a83afee 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -1,7 +1,9 @@
-#include<iostream>
 #include "sha256.h"
+#include <iostream>
 
-int main(int argc, char** argv) {
+int
+main(int argc, char** argv)
+{
     auto sha = hmacsha256::SHA256(argv[1]);
     sha.digest();
     std::cout << sha.hexdigest();
diff --git a/src/sha256.cc b/src/sha256.cc
index 7790f8a..4e03b46 100644
--- a/src/sha256.cc
+++ b/src/sha256.cc
@@ -1,13 +1,16 @@
 #include "sha256.h"
-#include<cstring> // used for memset
-#include<sstream> // used for stringstream
-#include<iomanip> // used for setfill and setw
+#include <cstring> // used for memset
+#include <iomanip> // used for setfill and setw
+#include <sstream> // used for stringstream
 
-hmacsha256::SHA256::SHA256(const uint8_t* data, uint32_t length) {
+hmacsha256::SHA256::SHA256(const uint8_t* data, uint32_t length)
+{
     init(data, length);
 }
 
-void hmacsha256::SHA256::init(const uint8_t* data, uint32_t length) {
+void
+hmacsha256::SHA256::init(const uint8_t* data, uint32_t length)
+{
     message_l_ = bit_len_ = 0;
     vars_[0] = 0x6a09e667;
     vars_[1] = 0xbb67ae85;
@@ -18,9 +21,9 @@ void hmacsha256::SHA256::init(const uint8_t* data, uint32_t length) {
     vars_[6] = 0x1f83d9ab;
     vars_[7] = 0x5be0cd19;
 
-    for(size_t i = 0; i < length; ++i) {
+    for (size_t i = 0; i < length; ++i) {
         message_[message_l_++] = data[i];
-        if(message_l_ == 64) {
+        if (message_l_ == 64) {
             transform();
 
             bit_len_ += 512;
@@ -29,78 +32,99 @@ void hmacsha256::SHA256::init(const uint8_t* data, uint32_t length) {
     }
 }
 
-hmacsha256::SHA256::SHA256(const std::string& data) {
-    init(reinterpret_cast<const uint8_t*> (data.c_str()), data.size());
+hmacsha256::SHA256::SHA256(const std::string& data)
+{
+    init(reinterpret_cast<const uint8_t*>(data.c_str()), data.size());
 }
 
-uint8_t* hmacsha256::SHA256::digest() {
+uint8_t*
+hmacsha256::SHA256::digest()
+{
     uint8_t* hash = new uint8_t[32];
 
     pad();
     bigendian(hash);
 
-    for(uint32_t i = 0; i < 32; ++i) {
+    for (uint32_t i = 0; i < 32; ++i) {
         digest_[i] = hash[i];
     }
 
     return hash;
 }
 
-std::string hmacsha256::SHA256::hexdigest() {
+std::string
+hmacsha256::SHA256::hexdigest()
+{
     std::stringstream s;
     s << std::setfill('0') << std::hex;
 
-    for(uint8_t i = 0 ; i < 32 ; i++) {
-        s << std::setw(2) << (unsigned int) digest_[i];
+    for (uint8_t i = 0; i < 32; i++) {
+        s << std::setw(2) << (unsigned int)digest_[i];
     }
 
     return s.str();
 }
 
-uint32_t hmacsha256::SHA256::ch(uint32_t x, uint32_t y, uint32_t z) {
+uint32_t
+hmacsha256::SHA256::ch(uint32_t x, uint32_t y, uint32_t z)
+{
     return (x & y) ^ (~x & z);
 }
 
-uint32_t hmacsha256::SHA256::maj(uint32_t x, uint32_t y, uint32_t z) {
+uint32_t
+hmacsha256::SHA256::maj(uint32_t x, uint32_t y, uint32_t z)
+{
     return (x & (y | z)) | (y & z);
 }
 
-uint32_t hmacsha256::SHA256::rotr(uint32_t x, uint32_t n) {
-    return (x >> n) | (x << (32-n));
+uint32_t
+hmacsha256::SHA256::rotr(uint32_t x, uint32_t n)
+{
+    return (x >> n) | (x << (32 - n));
 }
 
-uint32_t hmacsha256::SHA256::big_sigma0(uint32_t x) {
+uint32_t
+hmacsha256::SHA256::big_sigma0(uint32_t x)
+{
     return SHA256::rotr(x, 2) ^ SHA256::rotr(x, 13) ^ SHA256::rotr(x, 22);
 }
 
-uint32_t hmacsha256::SHA256::big_sigma1(uint32_t x) {
+uint32_t
+hmacsha256::SHA256::big_sigma1(uint32_t x)
+{
     return SHA256::rotr(x, 6) ^ SHA256::rotr(x, 11) ^ SHA256::rotr(x, 25);
 }
 
-uint32_t hmacsha256::SHA256::sigma0(uint32_t x) {
+uint32_t
+hmacsha256::SHA256::sigma0(uint32_t x)
+{
     return SHA256::rotr(x, 7) ^ SHA256::rotr(x, 18) ^ (x >> 3);
 }
 
-uint32_t hmacsha256::SHA256::sigma1(uint32_t x) {
+uint32_t
+hmacsha256::SHA256::sigma1(uint32_t x)
+{
     return SHA256::rotr(x, 17) ^ SHA256::rotr(x, 19) ^ (x >> 10);
 }
 
-void hmacsha256::SHA256::transform() {
+void
+hmacsha256::SHA256::transform()
+{
     uint32_t m[64];
     uint32_t h[8];
 
-    for(uint8_t i = 0, j = 0; i < 16; ++i, j += 4) {
+    for (uint8_t i = 0, j = 0; i < 16; ++i, j += 4) {
         m[i] = (message_[j] << 24) | (message_[j + 1] << 16) | (message_[j + 2] << 8) | (message_[j + 3]);
     }
 
-    for(uint8_t i = 16; i < 64; ++i) {
+    for (uint8_t i = 16; i < 64; ++i) {
         m[i] = SHA256::sigma1(m[i - 2]) + m[i - 7] + SHA256::sigma0(m[i - 15]) + m[i - 16];
     }
 
-    for(uint8_t i = 0; i < 8; ++i)
+    for (uint8_t i = 0; i < 8; ++i)
         h[i] = vars_[i];
 
-    for(uint8_t i = 0; i < 64; ++i) {
+    for (uint8_t i = 0; i < 64; ++i) {
         auto S1 = SHA256::big_sigma1(h[4]);
         auto S0 = SHA256::big_sigma0(h[0]);
         auto t1 = h[7] + S1 + SHA256::ch(h[4], h[5], h[6]) + K[i] + m[i];
@@ -115,13 +139,14 @@ void hmacsha256::SHA256::transform() {
         h[0] = t1 + t2;
     }
 
-    for(uint8_t i = 0; i < 8; ++i) {
-        vars_[i]+=h[i];
+    for (uint8_t i = 0; i < 8; ++i) {
+        vars_[i] += h[i];
     }
-
 }
 
-void hmacsha256::SHA256::pad() {
+void
+hmacsha256::SHA256::pad()
+{
     // start of scanning
     uint64_t i = message_l_;
 
@@ -132,9 +157,10 @@ void hmacsha256::SHA256::pad() {
     message_[i++] = 0x80;
 
     // append '0' bit, j times
-    while(i < j) message_[i++] = 0x00;
+    while (i < j)
+        message_[i++] = 0x00;
 
-    if(message_l_ >= 56) {
+    if (message_l_ >= 56) {
         transform();
         memset(message_, 0, 56);
     }
@@ -151,7 +177,9 @@ void hmacsha256::SHA256::pad() {
     transform();
 }
 
-void hmacsha256::SHA256::bigendian(uint8_t* hash) {
+void
+hmacsha256::SHA256::bigendian(uint8_t* hash)
+{
     for (uint32_t i = 0; i < 4; ++i) {
         hash[i] = (vars_[0] >> (24 - i * 8)) & 0x000000ff;
         hash[i + 4] = (vars_[1] >> (24 - i * 8)) & 0x000000ff;