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authorDavid Foerster <david.foerster@informatik.hu-berlin.de>2016-05-10 20:20:14 +0200
committerDavid Foerster <david.foerster@informatik.hu-berlin.de>2016-05-10 20:20:14 +0200
commitfc37cc4a02ed13d1a73b941a9f80975600fd1b99 (patch)
treead9e5ac81111402b5c47dc06944cc5243824c4b5 /src/Crypto/Sha2Small.c
parent98b04198c6ea5bc07cca50956809068adf1fea82 (diff)
downloadVeraCrypt-fc37cc4a02ed13d1a73b941a9f80975600fd1b99.tar.gz
VeraCrypt-fc37cc4a02ed13d1a73b941a9f80975600fd1b99.zip
Normalize all line terminators
Diffstat (limited to 'src/Crypto/Sha2Small.c')
-rw-r--r--src/Crypto/Sha2Small.c468
1 files changed, 234 insertions, 234 deletions
diff --git a/src/Crypto/Sha2Small.c b/src/Crypto/Sha2Small.c
index 9acd1b83..539ff05d 100644
--- a/src/Crypto/Sha2Small.c
+++ b/src/Crypto/Sha2Small.c
@@ -10,237 +10,237 @@
*
*/
-/* Adapted for VeraCrypt */
-
-#include <memory.h>
-#include "Common/Tcdefs.h"
-#include "Common/Endian.h"
-#include "Sha2Small.h"
-
-#pragma optimize ("tl", on)
-
-typedef unsigned __int32 uint32;
-typedef unsigned __int8 byte;
-
-#include <stdlib.h>
-#pragma intrinsic(_lrotr)
-#define RORc(x,n) _lrotr(x,n)
-
-/******************************************************************************/
-
-/*
- The K array
- */
-
-static const uint32 K[64] = {
- 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
- 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
- 0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,
- 0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
- 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,
- 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,
- 0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,
- 0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
- 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,
- 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,
- 0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,
- 0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
- 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
-};
-
-/*
- Various logical functions
- */
-#define Ch(x,y,z) (z ^ (x & (y ^ z)))
-#define Maj(x,y,z) (((x | y) & z) | (x & y))
-#define S(x, n) RORc((x),(n))
-#define R(x, n) ((x)>>(n))
-#define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))
-#define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
-#define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
-#define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
-
-#define STORE32H(x, y, i) { \
-(y)[i] = (unsigned char)(((x)>>24)); \
-(y)[i+1] = (unsigned char)(((x)>>16)); \
-(y)[i+2] = (unsigned char)(((x)>>8)); \
-(y)[i+3] = (unsigned char)((x)); \
-}
-
-#define LOAD32H(x, y, i) { \
-x = ((unsigned long)((y)[i])<<24) | \
-((unsigned long)((y)[i+1])<<16) | \
-((unsigned long)((y)[i+2])<<8) | \
-((unsigned long)((y)[i+3])); \
-}
-
-/*
- compress 512-bits
- */
-static void sha256_compress(sha256_ctx * ctx, unsigned char *buf)
-{
-
- uint32 S[8], W[64], t0, t1;
- uint32 t, w2, w15;
- int i;
-
-/*
- copy state into S
- */
- for (i = 0; i < 8; i++) {
- S[i] = ctx->state[i];
- }
-
-/*
- copy the state into 512-bits into W[0..15]
- */
- for (i = 0; i < 16; i++) {
- LOAD32H(W[i], buf , (4*i));
- }
-
-/*
- fill W[16..63]
- */
- for (i = 16; i < 64; i++) {
- w2 = W[i - 2];
- w15 = W[i - 15];
- W[i] = Gamma1(w2) + W[i - 7] + Gamma0(w15) + W[i - 16];
- }
-
-/*
- Compress
- */
-
-#define RND(a,b,c,d,e,f,g,h,i) \
- t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
- t1 = Sigma0(a) + Maj(a, b, c); \
- d += t0; \
- h = t0 + t1;
-
- for (i = 0; i < 64; ++i) {
- RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i);
- t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];
- S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
- }
-
-/*
- feedback
- */
- for (i = 0; i < 8; i++) {
- ctx->state[i] += S[i];
- }
-
-}
-
-/*
- init the sha256 state
- */
-VOID_RETURN sha256_begin(sha256_ctx* ctx)
-{
- ctx->curlen = 0;
- ctx->state[0] = 0x6A09E667UL;
- ctx->state[1] = 0xBB67AE85UL;
- ctx->state[2] = 0x3C6EF372UL;
- ctx->state[3] = 0xA54FF53AUL;
- ctx->state[4] = 0x510E527FUL;
- ctx->state[5] = 0x9B05688CUL;
- ctx->state[6] = 0x1F83D9ABUL;
- ctx->state[7] = 0x5BE0CD19UL;
- ctx->highLength = 0;
- ctx->lowLength = 0;
-}
-
-VOID_RETURN sha256_hash(unsigned char* data, unsigned int len, sha256_ctx* ctx)
-{
- uint32 n;
- while (len > 0) {
- if (ctx->curlen == 0 && len >= 64) {
- sha256_compress(ctx, (unsigned char *)data);
-
- n = ctx->lowLength + 512;
- if (n < ctx->lowLength) {
- ctx->highLength++;
- }
- ctx->lowLength = n;
- data += 64;
- len -= 64;
- } else {
- n = min(len, 64 - ctx->curlen);
- memcpy(ctx->buf + ctx->curlen, data, (size_t)n);
- ctx->curlen += (unsigned int) n;
- data += (unsigned int) n;
- len -= (unsigned int) n;
-
- if (ctx->curlen == 64) {
- sha256_compress (ctx, ctx->buf);
-
- n = ctx->lowLength + 512;
- if (n < ctx->lowLength) {
- ctx->highLength++;
- }
- ctx->lowLength = n;
- ctx->curlen = 0;
- }
- }
- }
- return;
-}
-
-VOID_RETURN sha256_end(unsigned char* hval, sha256_ctx* ctx)
-{
- int i;
- uint32 n;
-
-/*
- increase the length of the message
- */
-
- n = ctx->lowLength + (ctx->curlen << 3);
- if (n < ctx->lowLength) {
- ctx->highLength++;
- }
- ctx->highLength += (ctx->curlen >> 29);
- ctx->lowLength = n;
-
-/*
- append the '1' bit
- */
- ctx->buf[ctx->curlen++] = (unsigned char)0x80;
-
-/*
- if the length is currently above 56 bytes we append zeros then compress.
- Then we can fall back to padding zeros and length encoding like normal.
- */
- if (ctx->curlen > 56) {
- while (ctx->curlen < 64) {
- ctx->buf[ctx->curlen++] = (unsigned char)0;
- }
- sha256_compress(ctx, ctx->buf);
- ctx->curlen = 0;
- }
-
-/*
- pad upto 56 bytes of zeroes
- */
- while (ctx->curlen < 56) {
- ctx->buf[ctx->curlen++] = (unsigned char)0;
- }
-
-/*
- store length
- */
-
- STORE32H(ctx->highLength, ctx->buf, 56);
- STORE32H(ctx->lowLength, ctx->buf, 60);
-
- sha256_compress(ctx, ctx->buf);
-
-/*
- copy output
- */
- for (i = 0; i < 8; i++) {
- STORE32H(ctx->state[i], hval, (4*i));
- }
-}
-
-/******************************************************************************/
+/* Adapted for VeraCrypt */
+
+#include <memory.h>
+#include "Common/Tcdefs.h"
+#include "Common/Endian.h"
+#include "Sha2Small.h"
+
+#pragma optimize ("tl", on)
+
+typedef unsigned __int32 uint32;
+typedef unsigned __int8 byte;
+
+#include <stdlib.h>
+#pragma intrinsic(_lrotr)
+#define RORc(x,n) _lrotr(x,n)
+
+/******************************************************************************/
+
+/*
+ The K array
+ */
+
+static const uint32 K[64] = {
+ 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
+ 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
+ 0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,
+ 0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
+ 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,
+ 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,
+ 0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,
+ 0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
+ 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,
+ 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,
+ 0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,
+ 0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
+ 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
+};
+
+/*
+ Various logical functions
+ */
+#define Ch(x,y,z) (z ^ (x & (y ^ z)))
+#define Maj(x,y,z) (((x | y) & z) | (x & y))
+#define S(x, n) RORc((x),(n))
+#define R(x, n) ((x)>>(n))
+#define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))
+#define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
+#define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
+#define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
+
+#define STORE32H(x, y, i) { \
+(y)[i] = (unsigned char)(((x)>>24)); \
+(y)[i+1] = (unsigned char)(((x)>>16)); \
+(y)[i+2] = (unsigned char)(((x)>>8)); \
+(y)[i+3] = (unsigned char)((x)); \
+}
+
+#define LOAD32H(x, y, i) { \
+x = ((unsigned long)((y)[i])<<24) | \
+((unsigned long)((y)[i+1])<<16) | \
+((unsigned long)((y)[i+2])<<8) | \
+((unsigned long)((y)[i+3])); \
+}
+
+/*
+ compress 512-bits
+ */
+static void sha256_compress(sha256_ctx * ctx, unsigned char *buf)
+{
+
+ uint32 S[8], W[64], t0, t1;
+ uint32 t, w2, w15;
+ int i;
+
+/*
+ copy state into S
+ */
+ for (i = 0; i < 8; i++) {
+ S[i] = ctx->state[i];
+ }
+
+/*
+ copy the state into 512-bits into W[0..15]
+ */
+ for (i = 0; i < 16; i++) {
+ LOAD32H(W[i], buf , (4*i));
+ }
+
+/*
+ fill W[16..63]
+ */
+ for (i = 16; i < 64; i++) {
+ w2 = W[i - 2];
+ w15 = W[i - 15];
+ W[i] = Gamma1(w2) + W[i - 7] + Gamma0(w15) + W[i - 16];
+ }
+
+/*
+ Compress
+ */
+
+#define RND(a,b,c,d,e,f,g,h,i) \
+ t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
+ t1 = Sigma0(a) + Maj(a, b, c); \
+ d += t0; \
+ h = t0 + t1;
+
+ for (i = 0; i < 64; ++i) {
+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i);
+ t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];
+ S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
+ }
+
+/*
+ feedback
+ */
+ for (i = 0; i < 8; i++) {
+ ctx->state[i] += S[i];
+ }
+
+}
+
+/*
+ init the sha256 state
+ */
+VOID_RETURN sha256_begin(sha256_ctx* ctx)
+{
+ ctx->curlen = 0;
+ ctx->state[0] = 0x6A09E667UL;
+ ctx->state[1] = 0xBB67AE85UL;
+ ctx->state[2] = 0x3C6EF372UL;
+ ctx->state[3] = 0xA54FF53AUL;
+ ctx->state[4] = 0x510E527FUL;
+ ctx->state[5] = 0x9B05688CUL;
+ ctx->state[6] = 0x1F83D9ABUL;
+ ctx->state[7] = 0x5BE0CD19UL;
+ ctx->highLength = 0;
+ ctx->lowLength = 0;
+}
+
+VOID_RETURN sha256_hash(unsigned char* data, unsigned int len, sha256_ctx* ctx)
+{
+ uint32 n;
+ while (len > 0) {
+ if (ctx->curlen == 0 && len >= 64) {
+ sha256_compress(ctx, (unsigned char *)data);
+
+ n = ctx->lowLength + 512;
+ if (n < ctx->lowLength) {
+ ctx->highLength++;
+ }
+ ctx->lowLength = n;
+ data += 64;
+ len -= 64;
+ } else {
+ n = min(len, 64 - ctx->curlen);
+ memcpy(ctx->buf + ctx->curlen, data, (size_t)n);
+ ctx->curlen += (unsigned int) n;
+ data += (unsigned int) n;
+ len -= (unsigned int) n;
+
+ if (ctx->curlen == 64) {
+ sha256_compress (ctx, ctx->buf);
+
+ n = ctx->lowLength + 512;
+ if (n < ctx->lowLength) {
+ ctx->highLength++;
+ }
+ ctx->lowLength = n;
+ ctx->curlen = 0;
+ }
+ }
+ }
+ return;
+}
+
+VOID_RETURN sha256_end(unsigned char* hval, sha256_ctx* ctx)
+{
+ int i;
+ uint32 n;
+
+/*
+ increase the length of the message
+ */
+
+ n = ctx->lowLength + (ctx->curlen << 3);
+ if (n < ctx->lowLength) {
+ ctx->highLength++;
+ }
+ ctx->highLength += (ctx->curlen >> 29);
+ ctx->lowLength = n;
+
+/*
+ append the '1' bit
+ */
+ ctx->buf[ctx->curlen++] = (unsigned char)0x80;
+
+/*
+ if the length is currently above 56 bytes we append zeros then compress.
+ Then we can fall back to padding zeros and length encoding like normal.
+ */
+ if (ctx->curlen > 56) {
+ while (ctx->curlen < 64) {
+ ctx->buf[ctx->curlen++] = (unsigned char)0;
+ }
+ sha256_compress(ctx, ctx->buf);
+ ctx->curlen = 0;
+ }
+
+/*
+ pad upto 56 bytes of zeroes
+ */
+ while (ctx->curlen < 56) {
+ ctx->buf[ctx->curlen++] = (unsigned char)0;
+ }
+
+/*
+ store length
+ */
+
+ STORE32H(ctx->highLength, ctx->buf, 56);
+ STORE32H(ctx->lowLength, ctx->buf, 60);
+
+ sha256_compress(ctx, ctx->buf);
+
+/*
+ copy output
+ */
+ for (i = 0; i < 8; i++) {
+ STORE32H(ctx->state[i], hval, (4*i));
+ }
+}
+
+/******************************************************************************/