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Faster with clang

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This commit is contained in:
Frank Denis
2016-02-26 12:59:14 +01:00
parent 4d5c3976db
commit 1e2a9eb062
1 changed files with 9 additions and 9 deletions
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src/libsodium/crypto_core/hchacha20/core_hchacha20.c
+9 -9
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@@ -5,10 +5,6 @@
#include "core_hchacha20.h"
#include "crypto_core_hchacha20.h"
static const unsigned char sigma[16] = {
'e', 'x', 'p', 'a', 'n', 'd', ' ', '3', '2', '-', 'b', 'y', 't', 'e', ' ', 'k'
};
int
crypto_core_hchacha20(unsigned char *out, const unsigned char *in,
const unsigned char *k, const unsigned char *c)
@@ -18,12 +14,16 @@ crypto_core_hchacha20(unsigned char *out, const unsigned char *in,
uint32_t x8, x9, x10, x11, x12, x13, x14, x15;
if (c == NULL) {
c = sigma;
x0 = U32C(0x61707865);
x1 = U32C(0x3320646e);
x2 = U32C(0x79622d32);
x3 = U32C(0x6b206574);
} else {
x0 = U8TO32_LITTLE(c + 0);
x1 = U8TO32_LITTLE(c + 4);
x2 = U8TO32_LITTLE(c + 8);
x3 = U8TO32_LITTLE(c + 12);
}
x0 = U8TO32_LITTLE(c + 0);
x1 = U8TO32_LITTLE(c + 4);
x2 = U8TO32_LITTLE(c + 8);
x3 = U8TO32_LITTLE(c + 12);
x4 = U8TO32_LITTLE(k + 0);
x5 = U8TO32_LITTLE(k + 4);
x6 = U8TO32_LITTLE(k + 8);