Skip to content

Commit acd8129

Browse files
authored
Merge pull request #429 from c72578/change_eol_encoding_2017-04-29
Change end-of-line encoding of two files to Unix (LF)
2 parents 8833a2b + 3477845 commit acd8129

File tree

2 files changed

+611
-611
lines changed

2 files changed

+611
-611
lines changed
Lines changed: 189 additions & 189 deletions
Original file line numberDiff line numberDiff line change
@@ -1,189 +1,189 @@
1-
/*
2-
*****
3-
sha1.hpp is a repackaging of the sha1.cpp and sha1.h files from the smallsha1
4-
library (http://code.google.com/p/smallsha1/) into a single header suitable for
5-
use as a header only library. This conversion was done by Peter Thorson
6-
([email protected]) in 2013. All modifications to the code are redistributed
7-
under the same license as the original, which is listed below.
8-
*****
9-
10-
Copyright (c) 2011, Micael Hildenborg
11-
All rights reserved.
12-
13-
Redistribution and use in source and binary forms, with or without
14-
modification, are permitted provided that the following conditions are met:
15-
* Redistributions of source code must retain the above copyright
16-
notice, this list of conditions and the following disclaimer.
17-
* Redistributions in binary form must reproduce the above copyright
18-
notice, this list of conditions and the following disclaimer in the
19-
documentation and/or other materials provided with the distribution.
20-
* Neither the name of Micael Hildenborg nor the
21-
names of its contributors may be used to endorse or promote products
22-
derived from this software without specific prior written permission.
23-
24-
THIS SOFTWARE IS PROVIDED BY Micael Hildenborg ''AS IS'' AND ANY
25-
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26-
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27-
DISCLAIMED. IN NO EVENT SHALL Micael Hildenborg BE LIABLE FOR ANY
28-
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29-
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30-
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31-
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32-
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33-
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34-
*/
35-
36-
#ifndef SHA1_DEFINED
37-
#define SHA1_DEFINED
38-
39-
namespace websocketpp {
40-
namespace sha1 {
41-
42-
namespace { // local
43-
44-
// Rotate an integer value to left.
45-
inline unsigned int rol(unsigned int value, unsigned int steps) {
46-
return ((value << steps) | (value >> (32 - steps)));
47-
}
48-
49-
// Sets the first 16 integers in the buffert to zero.
50-
// Used for clearing the W buffert.
51-
inline void clearWBuffert(unsigned int * buffert)
52-
{
53-
for (int pos = 16; --pos >= 0;)
54-
{
55-
buffert[pos] = 0;
56-
}
57-
}
58-
59-
inline void innerHash(unsigned int * result, unsigned int * w)
60-
{
61-
unsigned int a = result[0];
62-
unsigned int b = result[1];
63-
unsigned int c = result[2];
64-
unsigned int d = result[3];
65-
unsigned int e = result[4];
66-
67-
int round = 0;
68-
69-
#define sha1macro(func,val) \
70-
{ \
71-
const unsigned int t = rol(a, 5) + (func) + e + val + w[round]; \
72-
e = d; \
73-
d = c; \
74-
c = rol(b, 30); \
75-
b = a; \
76-
a = t; \
77-
}
78-
79-
while (round < 16)
80-
{
81-
sha1macro((b & c) | (~b & d), 0x5a827999)
82-
++round;
83-
}
84-
while (round < 20)
85-
{
86-
w[round] = rol((w[round - 3] ^ w[round - 8] ^ w[round - 14] ^ w[round - 16]), 1);
87-
sha1macro((b & c) | (~b & d), 0x5a827999)
88-
++round;
89-
}
90-
while (round < 40)
91-
{
92-
w[round] = rol((w[round - 3] ^ w[round - 8] ^ w[round - 14] ^ w[round - 16]), 1);
93-
sha1macro(b ^ c ^ d, 0x6ed9eba1)
94-
++round;
95-
}
96-
while (round < 60)
97-
{
98-
w[round] = rol((w[round - 3] ^ w[round - 8] ^ w[round - 14] ^ w[round - 16]), 1);
99-
sha1macro((b & c) | (b & d) | (c & d), 0x8f1bbcdc)
100-
++round;
101-
}
102-
while (round < 80)
103-
{
104-
w[round] = rol((w[round - 3] ^ w[round - 8] ^ w[round - 14] ^ w[round - 16]), 1);
105-
sha1macro(b ^ c ^ d, 0xca62c1d6)
106-
++round;
107-
}
108-
109-
#undef sha1macro
110-
111-
result[0] += a;
112-
result[1] += b;
113-
result[2] += c;
114-
result[3] += d;
115-
result[4] += e;
116-
}
117-
118-
} // namespace
119-
120-
/// Calculate a SHA1 hash
121-
/**
122-
* @param src points to any kind of data to be hashed.
123-
* @param bytelength the number of bytes to hash from the src pointer.
124-
* @param hash should point to a buffer of at least 20 bytes of size for storing
125-
* the sha1 result in.
126-
*/
127-
inline void calc(void const * src, size_t bytelength, unsigned char * hash) {
128-
// Init the result array.
129-
unsigned int result[5] = { 0x67452301, 0xefcdab89, 0x98badcfe,
130-
0x10325476, 0xc3d2e1f0 };
131-
132-
// Cast the void src pointer to be the byte array we can work with.
133-
unsigned char const * sarray = (unsigned char const *) src;
134-
135-
// The reusable round buffer
136-
unsigned int w[80];
137-
138-
// Loop through all complete 64byte blocks.
139-
140-
size_t endCurrentBlock;
141-
size_t currentBlock = 0;
142-
143-
if (bytelength >= 64) {
144-
size_t const endOfFullBlocks = bytelength - 64;
145-
146-
while (currentBlock <= endOfFullBlocks) {
147-
endCurrentBlock = currentBlock + 64;
148-
149-
// Init the round buffer with the 64 byte block data.
150-
for (int roundPos = 0; currentBlock < endCurrentBlock; currentBlock += 4)
151-
{
152-
// This line will swap endian on big endian and keep endian on
153-
// little endian.
154-
w[roundPos++] = (unsigned int) sarray[currentBlock + 3]
155-
| (((unsigned int) sarray[currentBlock + 2]) << 8)
156-
| (((unsigned int) sarray[currentBlock + 1]) << 16)
157-
| (((unsigned int) sarray[currentBlock]) << 24);
158-
}
159-
innerHash(result, w);
160-
}
161-
}
162-
163-
// Handle the last and not full 64 byte block if existing.
164-
endCurrentBlock = bytelength - currentBlock;
165-
clearWBuffert(w);
166-
size_t lastBlockBytes = 0;
167-
for (;lastBlockBytes < endCurrentBlock; ++lastBlockBytes) {
168-
w[lastBlockBytes >> 2] |= (unsigned int) sarray[lastBlockBytes + currentBlock] << ((3 - (lastBlockBytes & 3)) << 3);
169-
}
170-
171-
w[lastBlockBytes >> 2] |= 0x80 << ((3 - (lastBlockBytes & 3)) << 3);
172-
if (endCurrentBlock >= 56) {
173-
innerHash(result, w);
174-
clearWBuffert(w);
175-
}
176-
w[15] = bytelength << 3;
177-
innerHash(result, w);
178-
179-
// Store hash in result pointer, and make sure we get in in the correct
180-
// order on both endian models.
181-
for (int hashByte = 20; --hashByte >= 0;) {
182-
hash[hashByte] = (result[hashByte >> 2] >> (((3 - hashByte) & 0x3) << 3)) & 0xff;
183-
}
184-
}
185-
186-
} // namespace sha1
187-
} // namespace websocketpp
188-
189-
#endif // SHA1_DEFINED
1+
/*
2+
*****
3+
sha1.hpp is a repackaging of the sha1.cpp and sha1.h files from the smallsha1
4+
library (http://code.google.com/p/smallsha1/) into a single header suitable for
5+
use as a header only library. This conversion was done by Peter Thorson
6+
([email protected]) in 2013. All modifications to the code are redistributed
7+
under the same license as the original, which is listed below.
8+
*****
9+
10+
Copyright (c) 2011, Micael Hildenborg
11+
All rights reserved.
12+
13+
Redistribution and use in source and binary forms, with or without
14+
modification, are permitted provided that the following conditions are met:
15+
* Redistributions of source code must retain the above copyright
16+
notice, this list of conditions and the following disclaimer.
17+
* Redistributions in binary form must reproduce the above copyright
18+
notice, this list of conditions and the following disclaimer in the
19+
documentation and/or other materials provided with the distribution.
20+
* Neither the name of Micael Hildenborg nor the
21+
names of its contributors may be used to endorse or promote products
22+
derived from this software without specific prior written permission.
23+
24+
THIS SOFTWARE IS PROVIDED BY Micael Hildenborg ''AS IS'' AND ANY
25+
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26+
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27+
DISCLAIMED. IN NO EVENT SHALL Micael Hildenborg BE LIABLE FOR ANY
28+
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29+
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30+
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31+
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32+
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33+
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34+
*/
35+
36+
#ifndef SHA1_DEFINED
37+
#define SHA1_DEFINED
38+
39+
namespace websocketpp {
40+
namespace sha1 {
41+
42+
namespace { // local
43+
44+
// Rotate an integer value to left.
45+
inline unsigned int rol(unsigned int value, unsigned int steps) {
46+
return ((value << steps) | (value >> (32 - steps)));
47+
}
48+
49+
// Sets the first 16 integers in the buffert to zero.
50+
// Used for clearing the W buffert.
51+
inline void clearWBuffert(unsigned int * buffert)
52+
{
53+
for (int pos = 16; --pos >= 0;)
54+
{
55+
buffert[pos] = 0;
56+
}
57+
}
58+
59+
inline void innerHash(unsigned int * result, unsigned int * w)
60+
{
61+
unsigned int a = result[0];
62+
unsigned int b = result[1];
63+
unsigned int c = result[2];
64+
unsigned int d = result[3];
65+
unsigned int e = result[4];
66+
67+
int round = 0;
68+
69+
#define sha1macro(func,val) \
70+
{ \
71+
const unsigned int t = rol(a, 5) + (func) + e + val + w[round]; \
72+
e = d; \
73+
d = c; \
74+
c = rol(b, 30); \
75+
b = a; \
76+
a = t; \
77+
}
78+
79+
while (round < 16)
80+
{
81+
sha1macro((b & c) | (~b & d), 0x5a827999)
82+
++round;
83+
}
84+
while (round < 20)
85+
{
86+
w[round] = rol((w[round - 3] ^ w[round - 8] ^ w[round - 14] ^ w[round - 16]), 1);
87+
sha1macro((b & c) | (~b & d), 0x5a827999)
88+
++round;
89+
}
90+
while (round < 40)
91+
{
92+
w[round] = rol((w[round - 3] ^ w[round - 8] ^ w[round - 14] ^ w[round - 16]), 1);
93+
sha1macro(b ^ c ^ d, 0x6ed9eba1)
94+
++round;
95+
}
96+
while (round < 60)
97+
{
98+
w[round] = rol((w[round - 3] ^ w[round - 8] ^ w[round - 14] ^ w[round - 16]), 1);
99+
sha1macro((b & c) | (b & d) | (c & d), 0x8f1bbcdc)
100+
++round;
101+
}
102+
while (round < 80)
103+
{
104+
w[round] = rol((w[round - 3] ^ w[round - 8] ^ w[round - 14] ^ w[round - 16]), 1);
105+
sha1macro(b ^ c ^ d, 0xca62c1d6)
106+
++round;
107+
}
108+
109+
#undef sha1macro
110+
111+
result[0] += a;
112+
result[1] += b;
113+
result[2] += c;
114+
result[3] += d;
115+
result[4] += e;
116+
}
117+
118+
} // namespace
119+
120+
/// Calculate a SHA1 hash
121+
/**
122+
* @param src points to any kind of data to be hashed.
123+
* @param bytelength the number of bytes to hash from the src pointer.
124+
* @param hash should point to a buffer of at least 20 bytes of size for storing
125+
* the sha1 result in.
126+
*/
127+
inline void calc(void const * src, size_t bytelength, unsigned char * hash) {
128+
// Init the result array.
129+
unsigned int result[5] = { 0x67452301, 0xefcdab89, 0x98badcfe,
130+
0x10325476, 0xc3d2e1f0 };
131+
132+
// Cast the void src pointer to be the byte array we can work with.
133+
unsigned char const * sarray = (unsigned char const *) src;
134+
135+
// The reusable round buffer
136+
unsigned int w[80];
137+
138+
// Loop through all complete 64byte blocks.
139+
140+
size_t endCurrentBlock;
141+
size_t currentBlock = 0;
142+
143+
if (bytelength >= 64) {
144+
size_t const endOfFullBlocks = bytelength - 64;
145+
146+
while (currentBlock <= endOfFullBlocks) {
147+
endCurrentBlock = currentBlock + 64;
148+
149+
// Init the round buffer with the 64 byte block data.
150+
for (int roundPos = 0; currentBlock < endCurrentBlock; currentBlock += 4)
151+
{
152+
// This line will swap endian on big endian and keep endian on
153+
// little endian.
154+
w[roundPos++] = (unsigned int) sarray[currentBlock + 3]
155+
| (((unsigned int) sarray[currentBlock + 2]) << 8)
156+
| (((unsigned int) sarray[currentBlock + 1]) << 16)
157+
| (((unsigned int) sarray[currentBlock]) << 24);
158+
}
159+
innerHash(result, w);
160+
}
161+
}
162+
163+
// Handle the last and not full 64 byte block if existing.
164+
endCurrentBlock = bytelength - currentBlock;
165+
clearWBuffert(w);
166+
size_t lastBlockBytes = 0;
167+
for (;lastBlockBytes < endCurrentBlock; ++lastBlockBytes) {
168+
w[lastBlockBytes >> 2] |= (unsigned int) sarray[lastBlockBytes + currentBlock] << ((3 - (lastBlockBytes & 3)) << 3);
169+
}
170+
171+
w[lastBlockBytes >> 2] |= 0x80 << ((3 - (lastBlockBytes & 3)) << 3);
172+
if (endCurrentBlock >= 56) {
173+
innerHash(result, w);
174+
clearWBuffert(w);
175+
}
176+
w[15] = bytelength << 3;
177+
innerHash(result, w);
178+
179+
// Store hash in result pointer, and make sure we get in in the correct
180+
// order on both endian models.
181+
for (int hashByte = 20; --hashByte >= 0;) {
182+
hash[hashByte] = (result[hashByte >> 2] >> (((3 - hashByte) & 0x3) << 3)) & 0xff;
183+
}
184+
}
185+
186+
} // namespace sha1
187+
} // namespace websocketpp
188+
189+
#endif // SHA1_DEFINED

0 commit comments

Comments
 (0)