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chacha: test vector compliance check

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This commit is contained in:
Mirek Kratochvil 2014-04-01 11:41:21 +02:00
parent 39202f8dfb
commit 562188b52d
1 changed files with 3 additions and 3 deletions
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6
src/chacha.cpp
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@ -32,10 +32,10 @@ void chacha_gen (const uint32_t*key, const uint32_t*counter, uint32_t*out)
j[4 + i] = key[i]; //key material
for (i = 0; i < 2; ++i)
j[14 + i] = key[8 + i]; //IV, taken from key
j[14 + i] = key[8 + i]; //part of key also counts as nonce
for (i = 0; i < 2; ++i)
j[12 + i] = counter[i]; //block position
j[12 + i] = counter[i]; //counter
//rounds&mixing
for (i = 0; i < 16; ++i) x[i] = j[i];
@ -49,7 +49,7 @@ void chacha_gen (const uint32_t*key, const uint32_t*counter, uint32_t*out)
x[a]=x[a]+x[b]; x[d]=rotl32(x[d]^x[a], 8); \
x[c]=x[c]+x[d]; x[b]=rotl32(x[b]^x[c], 7);
for (i = 0; i < 20; ++i) {
for (i = 0; i < 10 /* lol quarterjoke */; ++i) {
qtrround (0, 4, 8, 12);
qtrround (1, 5, 9, 13);
qtrround (2, 6, 10, 14);