diff options
| author | dartraiden <wowemuh@gmail.com> | 2023-09-14 22:53:45 +0300 |
|---|---|---|
| committer | dartraiden <wowemuh@gmail.com> | 2023-09-14 22:53:45 +0300 |
| commit | c400f5c17af4996eb2ecf0597e17eb25c17857d8 (patch) | |
| tree | c895207a210e5538c491ba9fc15ee0f28780a7f6 /libs/libsodium/src/crypto_core/hchacha20 | |
| parent | cd3146d46f9b9e24065b9ec31d963d52da3cdcbe (diff) | |
libsodium: update to 1.0.19
Diffstat (limited to 'libs/libsodium/src/crypto_core/hchacha20')
| -rw-r--r-- | libs/libsodium/src/crypto_core/hchacha20/core_hchacha20.c | 186 |
1 files changed, 93 insertions, 93 deletions
diff --git a/libs/libsodium/src/crypto_core/hchacha20/core_hchacha20.c b/libs/libsodium/src/crypto_core/hchacha20/core_hchacha20.c index 39ab26a6da..84d3dc61b5 100644 --- a/libs/libsodium/src/crypto_core/hchacha20/core_hchacha20.c +++ b/libs/libsodium/src/crypto_core/hchacha20/core_hchacha20.c @@ -1,93 +1,93 @@ - -#include <stdint.h> -#include <stdlib.h> - -#include "crypto_core_hchacha20.h" -#include "private/common.h" - -#define QUARTERROUND(A, B, C, D) \ - do { \ - A += B; D = ROTL32(D ^ A, 16); \ - C += D; B = ROTL32(B ^ C, 12); \ - A += B; D = ROTL32(D ^ A, 8); \ - C += D; B = ROTL32(B ^ C, 7); \ - } while(0) - -int -crypto_core_hchacha20(unsigned char *out, const unsigned char *in, - const unsigned char *k, const unsigned char *c) -{ - int i; - uint32_t x0, x1, x2, x3, x4, x5, x6, x7; - uint32_t x8, x9, x10, x11, x12, x13, x14, x15; - - if (c == NULL) { - x0 = 0x61707865; - x1 = 0x3320646e; - x2 = 0x79622d32; - x3 = 0x6b206574; - } else { - x0 = LOAD32_LE(c + 0); - x1 = LOAD32_LE(c + 4); - x2 = LOAD32_LE(c + 8); - x3 = LOAD32_LE(c + 12); - } - x4 = LOAD32_LE(k + 0); - x5 = LOAD32_LE(k + 4); - x6 = LOAD32_LE(k + 8); - x7 = LOAD32_LE(k + 12); - x8 = LOAD32_LE(k + 16); - x9 = LOAD32_LE(k + 20); - x10 = LOAD32_LE(k + 24); - x11 = LOAD32_LE(k + 28); - x12 = LOAD32_LE(in + 0); - x13 = LOAD32_LE(in + 4); - x14 = LOAD32_LE(in + 8); - x15 = LOAD32_LE(in + 12); - - for (i = 0; i < 10; i++) { - QUARTERROUND(x0, x4, x8, x12); - QUARTERROUND(x1, x5, x9, x13); - QUARTERROUND(x2, x6, x10, x14); - QUARTERROUND(x3, x7, x11, x15); - QUARTERROUND(x0, x5, x10, x15); - QUARTERROUND(x1, x6, x11, x12); - QUARTERROUND(x2, x7, x8, x13); - QUARTERROUND(x3, x4, x9, x14); - } - - STORE32_LE(out + 0, x0); - STORE32_LE(out + 4, x1); - STORE32_LE(out + 8, x2); - STORE32_LE(out + 12, x3); - STORE32_LE(out + 16, x12); - STORE32_LE(out + 20, x13); - STORE32_LE(out + 24, x14); - STORE32_LE(out + 28, x15); - - return 0; -} - -size_t -crypto_core_hchacha20_outputbytes(void) -{ - return crypto_core_hchacha20_OUTPUTBYTES; -} - -size_t -crypto_core_hchacha20_inputbytes(void) -{ - return crypto_core_hchacha20_INPUTBYTES; -} - -size_t -crypto_core_hchacha20_keybytes(void) -{ - return crypto_core_hchacha20_KEYBYTES; -} - -size_t -crypto_core_hchacha20_constbytes(void) -{ - return crypto_core_hchacha20_CONSTBYTES; -} +
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "crypto_core_hchacha20.h"
+#include "private/common.h"
+
+#define QUARTERROUND(A, B, C, D) \
+ do { \
+ A += B; D = ROTL32(D ^ A, 16); \
+ C += D; B = ROTL32(B ^ C, 12); \
+ A += B; D = ROTL32(D ^ A, 8); \
+ C += D; B = ROTL32(B ^ C, 7); \
+ } while(0)
+
+int
+crypto_core_hchacha20(unsigned char *out, const unsigned char *in,
+ const unsigned char *k, const unsigned char *c)
+{
+ int i;
+ uint32_t x0, x1, x2, x3, x4, x5, x6, x7;
+ uint32_t x8, x9, x10, x11, x12, x13, x14, x15;
+
+ if (c == NULL) {
+ x0 = 0x61707865;
+ x1 = 0x3320646e;
+ x2 = 0x79622d32;
+ x3 = 0x6b206574;
+ } else {
+ x0 = LOAD32_LE(c + 0);
+ x1 = LOAD32_LE(c + 4);
+ x2 = LOAD32_LE(c + 8);
+ x3 = LOAD32_LE(c + 12);
+ }
+ x4 = LOAD32_LE(k + 0);
+ x5 = LOAD32_LE(k + 4);
+ x6 = LOAD32_LE(k + 8);
+ x7 = LOAD32_LE(k + 12);
+ x8 = LOAD32_LE(k + 16);
+ x9 = LOAD32_LE(k + 20);
+ x10 = LOAD32_LE(k + 24);
+ x11 = LOAD32_LE(k + 28);
+ x12 = LOAD32_LE(in + 0);
+ x13 = LOAD32_LE(in + 4);
+ x14 = LOAD32_LE(in + 8);
+ x15 = LOAD32_LE(in + 12);
+
+ for (i = 0; i < 10; i++) {
+ QUARTERROUND(x0, x4, x8, x12);
+ QUARTERROUND(x1, x5, x9, x13);
+ QUARTERROUND(x2, x6, x10, x14);
+ QUARTERROUND(x3, x7, x11, x15);
+ QUARTERROUND(x0, x5, x10, x15);
+ QUARTERROUND(x1, x6, x11, x12);
+ QUARTERROUND(x2, x7, x8, x13);
+ QUARTERROUND(x3, x4, x9, x14);
+ }
+
+ STORE32_LE(out + 0, x0);
+ STORE32_LE(out + 4, x1);
+ STORE32_LE(out + 8, x2);
+ STORE32_LE(out + 12, x3);
+ STORE32_LE(out + 16, x12);
+ STORE32_LE(out + 20, x13);
+ STORE32_LE(out + 24, x14);
+ STORE32_LE(out + 28, x15);
+
+ return 0;
+}
+
+size_t
+crypto_core_hchacha20_outputbytes(void)
+{
+ return crypto_core_hchacha20_OUTPUTBYTES;
+}
+
+size_t
+crypto_core_hchacha20_inputbytes(void)
+{
+ return crypto_core_hchacha20_INPUTBYTES;
+}
+
+size_t
+crypto_core_hchacha20_keybytes(void)
+{
+ return crypto_core_hchacha20_KEYBYTES;
+}
+
+size_t
+crypto_core_hchacha20_constbytes(void)
+{
+ return crypto_core_hchacha20_CONSTBYTES;
+}
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