saluu/learncrypto
0
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

fixed some naming

Browse source
This commit is contained in:
Johannes Loher 2016-02-16 20:49:02 +01:00
parent 9b9e023e61
commit 791e048012
1 changed files with 13 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
source/chacha20.d
View file

@ -21,7 +21,7 @@ auto chacha20Cipher(R)(R range, ubyte[32] key, ubyte[8] nonce)
ubyte[8] nonce;
ulong count;
R range;
ubyte[] salsaSection;
ubyte[] chachaSection;
public:
this(R range, in ubyte[32] key, in ubyte[8] nonce)
{
@ -29,28 +29,28 @@ auto chacha20Cipher(R)(R range, ubyte[32] key, ubyte[8] nonce)
this.key = key;
this.nonce = nonce;
this.count = 0;
salsaSection = salsa20Exp(key, nonce ~ littleEndianInv(count));
chachaSection = chacha20Exp(key, nonce ~ littleEndianInv(count));
}
bool empty() @property
{
return range.empty || (count == ulong.max && salsaSection.empty);
return range.empty || (count == ulong.max && chachaSection.empty);
}
ubyte front() @property
{
assert(!empty);
return range.front ^ salsaSection.front;
return range.front ^ chachaSection.front;
}
void popFront()
{
assert(!empty);
salsaSection.popFront();
if(salsaSection.empty)
chachaSection.popFront();
if(chachaSection.empty)
{
++count;
salsaSection = salsa20Exp(key, nonce ~ littleEndianInv(count));
chachaSection = chacha20Exp(key, nonce ~ littleEndianInv(count));
}
range.popFront();
}
@ -63,7 +63,7 @@ auto chacha20Cipher(R)(R range, ubyte[32] key, ubyte[8] nonce)
copy.key = key.dup;
copy.nonce = nonce.dup;
copy.count = count;
copy.salsaSection = salsaSection.dup;
copy.chachaSection = chachaSection.dup;
return copy;
}
}
@ -262,26 +262,26 @@ body
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
test0 = salsa20(test0);
test0 = chacha20(test0);
ubyte[] test1 = [211,159, 13,115, 76, 55, 82,183, 3,117,222, 37,191,187,234,136,
49,237,179, 48, 1,106,178,219,175,199,166, 48, 86, 16,179,207,
31,240, 32, 63, 15, 83, 93,161,116,147, 48,113,238, 55,204, 36,
79,201,235, 79, 3, 81,156, 47,203, 26,244,243, 88,118,104, 54];
test1 = salsa20(test1);
test1 = chacha20(test1);
ubyte[] test2 = [ 88,118,104, 54, 79,201,235, 79, 3, 81,156, 47,203, 26,244,243,
191,187,234,136,211,159, 13,115, 76, 55, 82,183, 3,117,222, 37,
86, 16,179,207, 49,237,179, 48, 1,106,178,219,175,199,166, 48,
238, 55,204, 36, 31,240, 32, 63, 15, 83, 93,161,116,147, 48,113];
test2 = salsa20(test2);
test2 = chacha20(test2);
ubyte[] test3 = [ 6,124, 83,146, 38,191, 9, 50, 4,161, 47,222,122,182,223,185,
75, 27, 0,216, 16,122, 7, 89,162,104,101,147,213, 21, 54, 95,
225,253,139,176,105,132, 23,116, 76, 41,176,207,221, 34,157,108,
94, 94, 99, 52, 90,117, 91,220,146,190,239,143,196,176,130,186];
foreach(i; 0..1000000)
test3 = salsa20(test3);
test3 = chacha20(test3);
assert(test0 == [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -338,7 +338,7 @@ body
foreach(i; 0..16)
n[i] = cast(ubyte)(i + 1+ 100);
assert(salsa20Exp(key, n) == [ 69, 37, 68, 39, 41, 15,107,193,255,139,122, 6,170,233,217, 98,
assert(chacha20Exp(key, n) == [ 69, 37, 68, 39, 41, 15,107,193,255,139,122, 6,170,233,217, 98,
89,144,182,106, 21, 51,200, 65,239, 49,222, 34,215,114, 40,126,
104,197, 7,225,197,153, 31, 2,102, 78, 76,176, 84,245,246,184,
177,160,133,130, 6, 72,149,119,192,195,132,236,234,103,246, 74]);