* expand tabs. [ci skip]

Tabs were expanded because the file did not have any tab indentation in unedited lines.
Please update your editor config, and use misc/expand_tabs.rb in the pre-commit hook.

1 files changed, 687 insertions, 687 deletions

diff --git a/ext/digest/sha2/sha2.c b/ext/digest/sha2/sha2.c
index 21d5acbe96..2a9dbd4fce 100644
--- a/ext/digest/sha2/sha2.c
+++ b/ext/digest/sha2/sha2.c
@@ -136,17 +136,17 @@ typedef u_int64_t sha2_word64;	/* Exactly 8 bytes */
 /*** ENDIAN REVERSAL MACROS *******************************************/
 #if BYTE_ORDER == LITTLE_ENDIAN
 #define REVERSE32(w,x)	{ \
-	sha2_word32 tmp = (w); \
-	tmp = (tmp >> 16) | (tmp << 16); \
-	(x) = ((tmp & (sha2_word32)0xff00ff00UL) >> 8) | ((tmp & (sha2_word32)0x00ff00ffUL) << 8); \
+        sha2_word32 tmp = (w); \
+        tmp = (tmp >> 16) | (tmp << 16); \
+        (x) = ((tmp & (sha2_word32)0xff00ff00UL) >> 8) | ((tmp & (sha2_word32)0x00ff00ffUL) << 8); \
 }
 #define REVERSE64(w,x)	{ \
-	sha2_word64 tmp = (w); \
-	tmp = (tmp >> 32) | (tmp << 32); \
-	tmp = ((tmp & ULL(0xff00ff00ff00ff00)) >> 8) | \
-	      ((tmp & ULL(0x00ff00ff00ff00ff)) << 8); \
-	(x) = ((tmp & ULL(0xffff0000ffff0000)) >> 16) | \
-	      ((tmp & ULL(0x0000ffff0000ffff)) << 16); \
+        sha2_word64 tmp = (w); \
+        tmp = (tmp >> 32) | (tmp << 32); \
+        tmp = ((tmp & ULL(0xff00ff00ff00ff00)) >> 8) | \
+              ((tmp & ULL(0x00ff00ff00ff00ff)) << 8); \
+        (x) = ((tmp & ULL(0xffff0000ffff0000)) >> 16) | \
+              ((tmp & ULL(0x0000ffff0000ffff)) << 16); \
 }
 #endif /* BYTE_ORDER == LITTLE_ENDIAN */
 
@@ -156,10 +156,10 @@ typedef u_int64_t sha2_word64;	/* Exactly 8 bytes */
  * 64-bit words):
  */
 #define ADDINC128(w,n)	{ \
-	(w)[0] += (sha2_word64)(n); \
-	if ((w)[0] < (n)) { \
-		(w)[1]++; \
-	} \
+        (w)[0] += (sha2_word64)(n); \
+        if ((w)[0] < (n)) { \
+                (w)[1]++; \
+        } \
 }
 
 /*
@@ -235,102 +235,102 @@ void SHA512_Transform(SHA512_CTX*, const sha2_word64*);
 /*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
 /* Hash constant words K for SHA-256: */
 static const sha2_word32 K256[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
+        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
 };
 
 /* Initial hash value H for SHA-256: */
 static const sha2_word32 sha256_initial_hash_value[8] = {
-	0x6a09e667UL,
-	0xbb67ae85UL,
-	0x3c6ef372UL,
-	0xa54ff53aUL,
-	0x510e527fUL,
-	0x9b05688cUL,
-	0x1f83d9abUL,
-	0x5be0cd19UL
+        0x6a09e667UL,
+        0xbb67ae85UL,
+        0x3c6ef372UL,
+        0xa54ff53aUL,
+        0x510e527fUL,
+        0x9b05688cUL,
+        0x1f83d9abUL,
+        0x5be0cd19UL
 };
 
 /* Hash constant words K for SHA-384 and SHA-512: */
 static const sha2_word64 K512[80] = {
-	ULL(0x428a2f98d728ae22), ULL(0x7137449123ef65cd),
-	ULL(0xb5c0fbcfec4d3b2f), ULL(0xe9b5dba58189dbbc),
-	ULL(0x3956c25bf348b538), ULL(0x59f111f1b605d019),
-	ULL(0x923f82a4af194f9b), ULL(0xab1c5ed5da6d8118),
-	ULL(0xd807aa98a3030242), ULL(0x12835b0145706fbe),
-	ULL(0x243185be4ee4b28c), ULL(0x550c7dc3d5ffb4e2),
-	ULL(0x72be5d74f27b896f), ULL(0x80deb1fe3b1696b1),
-	ULL(0x9bdc06a725c71235), ULL(0xc19bf174cf692694),
-	ULL(0xe49b69c19ef14ad2), ULL(0xefbe4786384f25e3),
-	ULL(0x0fc19dc68b8cd5b5), ULL(0x240ca1cc77ac9c65),
-	ULL(0x2de92c6f592b0275), ULL(0x4a7484aa6ea6e483),
-	ULL(0x5cb0a9dcbd41fbd4), ULL(0x76f988da831153b5),
-	ULL(0x983e5152ee66dfab), ULL(0xa831c66d2db43210),
-	ULL(0xb00327c898fb213f), ULL(0xbf597fc7beef0ee4),
-	ULL(0xc6e00bf33da88fc2), ULL(0xd5a79147930aa725),
-	ULL(0x06ca6351e003826f), ULL(0x142929670a0e6e70),
-	ULL(0x27b70a8546d22ffc), ULL(0x2e1b21385c26c926),
-	ULL(0x4d2c6dfc5ac42aed), ULL(0x53380d139d95b3df),
-	ULL(0x650a73548baf63de), ULL(0x766a0abb3c77b2a8),
-	ULL(0x81c2c92e47edaee6), ULL(0x92722c851482353b),
-	ULL(0xa2bfe8a14cf10364), ULL(0xa81a664bbc423001),
-	ULL(0xc24b8b70d0f89791), ULL(0xc76c51a30654be30),
-	ULL(0xd192e819d6ef5218), ULL(0xd69906245565a910),
-	ULL(0xf40e35855771202a), ULL(0x106aa07032bbd1b8),
-	ULL(0x19a4c116b8d2d0c8), ULL(0x1e376c085141ab53),
-	ULL(0x2748774cdf8eeb99), ULL(0x34b0bcb5e19b48a8),
-	ULL(0x391c0cb3c5c95a63), ULL(0x4ed8aa4ae3418acb),
-	ULL(0x5b9cca4f7763e373), ULL(0x682e6ff3d6b2b8a3),
-	ULL(0x748f82ee5defb2fc), ULL(0x78a5636f43172f60),
-	ULL(0x84c87814a1f0ab72), ULL(0x8cc702081a6439ec),
-	ULL(0x90befffa23631e28), ULL(0xa4506cebde82bde9),
-	ULL(0xbef9a3f7b2c67915), ULL(0xc67178f2e372532b),
-	ULL(0xca273eceea26619c), ULL(0xd186b8c721c0c207),
-	ULL(0xeada7dd6cde0eb1e), ULL(0xf57d4f7fee6ed178),
-	ULL(0x06f067aa72176fba), ULL(0x0a637dc5a2c898a6),
-	ULL(0x113f9804bef90dae), ULL(0x1b710b35131c471b),
-	ULL(0x28db77f523047d84), ULL(0x32caab7b40c72493),
-	ULL(0x3c9ebe0a15c9bebc), ULL(0x431d67c49c100d4c),
-	ULL(0x4cc5d4becb3e42b6), ULL(0x597f299cfc657e2a),
-	ULL(0x5fcb6fab3ad6faec), ULL(0x6c44198c4a475817)
+        ULL(0x428a2f98d728ae22), ULL(0x7137449123ef65cd),
+        ULL(0xb5c0fbcfec4d3b2f), ULL(0xe9b5dba58189dbbc),
+        ULL(0x3956c25bf348b538), ULL(0x59f111f1b605d019),
+        ULL(0x923f82a4af194f9b), ULL(0xab1c5ed5da6d8118),
+        ULL(0xd807aa98a3030242), ULL(0x12835b0145706fbe),
+        ULL(0x243185be4ee4b28c), ULL(0x550c7dc3d5ffb4e2),
+        ULL(0x72be5d74f27b896f), ULL(0x80deb1fe3b1696b1),
+        ULL(0x9bdc06a725c71235), ULL(0xc19bf174cf692694),
+        ULL(0xe49b69c19ef14ad2), ULL(0xefbe4786384f25e3),
+        ULL(0x0fc19dc68b8cd5b5), ULL(0x240ca1cc77ac9c65),
+        ULL(0x2de92c6f592b0275), ULL(0x4a7484aa6ea6e483),
+        ULL(0x5cb0a9dcbd41fbd4), ULL(0x76f988da831153b5),
+        ULL(0x983e5152ee66dfab), ULL(0xa831c66d2db43210),
+        ULL(0xb00327c898fb213f), ULL(0xbf597fc7beef0ee4),
+        ULL(0xc6e00bf33da88fc2), ULL(0xd5a79147930aa725),
+        ULL(0x06ca6351e003826f), ULL(0x142929670a0e6e70),
+        ULL(0x27b70a8546d22ffc), ULL(0x2e1b21385c26c926),
+        ULL(0x4d2c6dfc5ac42aed), ULL(0x53380d139d95b3df),
+        ULL(0x650a73548baf63de), ULL(0x766a0abb3c77b2a8),
+        ULL(0x81c2c92e47edaee6), ULL(0x92722c851482353b),
+        ULL(0xa2bfe8a14cf10364), ULL(0xa81a664bbc423001),
+        ULL(0xc24b8b70d0f89791), ULL(0xc76c51a30654be30),
+        ULL(0xd192e819d6ef5218), ULL(0xd69906245565a910),
+        ULL(0xf40e35855771202a), ULL(0x106aa07032bbd1b8),
+        ULL(0x19a4c116b8d2d0c8), ULL(0x1e376c085141ab53),
+        ULL(0x2748774cdf8eeb99), ULL(0x34b0bcb5e19b48a8),
+        ULL(0x391c0cb3c5c95a63), ULL(0x4ed8aa4ae3418acb),
+        ULL(0x5b9cca4f7763e373), ULL(0x682e6ff3d6b2b8a3),
+        ULL(0x748f82ee5defb2fc), ULL(0x78a5636f43172f60),
+        ULL(0x84c87814a1f0ab72), ULL(0x8cc702081a6439ec),
+        ULL(0x90befffa23631e28), ULL(0xa4506cebde82bde9),
+        ULL(0xbef9a3f7b2c67915), ULL(0xc67178f2e372532b),
+        ULL(0xca273eceea26619c), ULL(0xd186b8c721c0c207),
+        ULL(0xeada7dd6cde0eb1e), ULL(0xf57d4f7fee6ed178),
+        ULL(0x06f067aa72176fba), ULL(0x0a637dc5a2c898a6),
+        ULL(0x113f9804bef90dae), ULL(0x1b710b35131c471b),
+        ULL(0x28db77f523047d84), ULL(0x32caab7b40c72493),
+        ULL(0x3c9ebe0a15c9bebc), ULL(0x431d67c49c100d4c),
+        ULL(0x4cc5d4becb3e42b6), ULL(0x597f299cfc657e2a),
+        ULL(0x5fcb6fab3ad6faec), ULL(0x6c44198c4a475817)
 };
 
 /* Initial hash value H for SHA-384 */
 static const sha2_word64 sha384_initial_hash_value[8] = {
-	ULL(0xcbbb9d5dc1059ed8),
-	ULL(0x629a292a367cd507),
-	ULL(0x9159015a3070dd17),
-	ULL(0x152fecd8f70e5939),
-	ULL(0x67332667ffc00b31),
-	ULL(0x8eb44a8768581511),
-	ULL(0xdb0c2e0d64f98fa7),
-	ULL(0x47b5481dbefa4fa4)
+        ULL(0xcbbb9d5dc1059ed8),
+        ULL(0x629a292a367cd507),
+        ULL(0x9159015a3070dd17),
+        ULL(0x152fecd8f70e5939),
+        ULL(0x67332667ffc00b31),
+        ULL(0x8eb44a8768581511),
+        ULL(0xdb0c2e0d64f98fa7),
+        ULL(0x47b5481dbefa4fa4)
 };
 
 /* Initial hash value H for SHA-512 */
 static const sha2_word64 sha512_initial_hash_value[8] = {
-	ULL(0x6a09e667f3bcc908),
-	ULL(0xbb67ae8584caa73b),
-	ULL(0x3c6ef372fe94f82b),
-	ULL(0xa54ff53a5f1d36f1),
-	ULL(0x510e527fade682d1),
-	ULL(0x9b05688c2b3e6c1f),
-	ULL(0x1f83d9abfb41bd6b),
-	ULL(0x5be0cd19137e2179)
+        ULL(0x6a09e667f3bcc908),
+        ULL(0xbb67ae8584caa73b),
+        ULL(0x3c6ef372fe94f82b),
+        ULL(0xa54ff53a5f1d36f1),
+        ULL(0x510e527fade682d1),
+        ULL(0x9b05688c2b3e6c1f),
+        ULL(0x1f83d9abfb41bd6b),
+        ULL(0x5be0cd19137e2179)
 };
 
 /*
@@ -342,13 +342,13 @@ static const char *sha2_hex_digits = "0123456789abcdef";
 
 /*** SHA-256: *********************************************************/
 int SHA256_Init(SHA256_CTX* context) {
-	if (context == (SHA256_CTX*)0) {
-		return 0;
-	}
-	MEMCPY_BCOPY(context->state, sha256_initial_hash_value, SHA256_DIGEST_LENGTH);
-	MEMSET_BZERO(context->buffer, SHA256_BLOCK_LENGTH);
-	context->bitcount = 0;
-	return 1;
+        if (context == (SHA256_CTX*)0) {
+                return 0;
+        }
+        MEMCPY_BCOPY(context->state, sha256_initial_hash_value, SHA256_DIGEST_LENGTH);
+        MEMSET_BZERO(context->buffer, SHA256_BLOCK_LENGTH);
+        context->bitcount = 0;
+        return 1;
 }
 
 #ifdef SHA2_UNROLL_TRANSFORM
@@ -358,328 +358,328 @@ int SHA256_Init(SHA256_CTX* context) {
 #if BYTE_ORDER == LITTLE_ENDIAN
 
 #define ROUND256_0_TO_15(a,b,c,d,e,f,g,h)	\
-	REVERSE32(*data++, W256[j]); \
-	T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
+        REVERSE32(*data++, W256[j]); \
+        T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
              K256[j] + W256[j]; \
-	(d) += T1; \
-	(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
-	j++
+        (d) += T1; \
+        (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
+        j++
 
 
 #else /* BYTE_ORDER == LITTLE_ENDIAN */
 
 #define ROUND256_0_TO_15(a,b,c,d,e,f,g,h)	\
-	T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
-	     K256[j] + (W256[j] = *data++); \
-	(d) += T1; \
-	(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
-	j++
+        T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + \
+             K256[j] + (W256[j] = *data++); \
+        (d) += T1; \
+        (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
+        j++
 
 #endif /* BYTE_ORDER == LITTLE_ENDIAN */
 
 #define ROUND256(a,b,c,d,e,f,g,h)	\
-	s0 = W256[(j+1)&0x0f]; \
-	s0 = sigma0_256(s0); \
-	s1 = W256[(j+14)&0x0f]; \
-	s1 = sigma1_256(s1); \
-	T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + K256[j] + \
-	     (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0); \
-	(d) += T1; \
-	(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
-	j++
+        s0 = W256[(j+1)&0x0f]; \
+        s0 = sigma0_256(s0); \
+        s1 = W256[(j+14)&0x0f]; \
+        s1 = sigma1_256(s1); \
+        T1 = (h) + Sigma1_256(e) + Ch((e), (f), (g)) + K256[j] + \
+             (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0); \
+        (d) += T1; \
+        (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
+        j++
 
 void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
-	sha2_word32	a, b, c, d, e, f, g, h, s0, s1;
-	sha2_word32	T1, *W256;
-	int		j;
-
-	W256 = (sha2_word32*)context->buffer;
-
-	/* Initialize registers with the prev. intermediate value */
-	a = context->state[0];
-	b = context->state[1];
-	c = context->state[2];
-	d = context->state[3];
-	e = context->state[4];
-	f = context->state[5];
-	g = context->state[6];
-	h = context->state[7];
-
-	j = 0;
-	do {
-		/* Rounds 0 to 15 (unrolled): */
-		ROUND256_0_TO_15(a,b,c,d,e,f,g,h);
-		ROUND256_0_TO_15(h,a,b,c,d,e,f,g);
-		ROUND256_0_TO_15(g,h,a,b,c,d,e,f);
-		ROUND256_0_TO_15(f,g,h,a,b,c,d,e);
-		ROUND256_0_TO_15(e,f,g,h,a,b,c,d);
-		ROUND256_0_TO_15(d,e,f,g,h,a,b,c);
-		ROUND256_0_TO_15(c,d,e,f,g,h,a,b);
-		ROUND256_0_TO_15(b,c,d,e,f,g,h,a);
-	} while (j < 16);
-
-	/* Now for the remaining rounds to 64: */
-	do {
-		ROUND256(a,b,c,d,e,f,g,h);
-		ROUND256(h,a,b,c,d,e,f,g);
-		ROUND256(g,h,a,b,c,d,e,f);
-		ROUND256(f,g,h,a,b,c,d,e);
-		ROUND256(e,f,g,h,a,b,c,d);
-		ROUND256(d,e,f,g,h,a,b,c);
-		ROUND256(c,d,e,f,g,h,a,b);
-		ROUND256(b,c,d,e,f,g,h,a);
-	} while (j < 64);
-
-	/* Compute the current intermediate hash value */
-	context->state[0] += a;
-	context->state[1] += b;
-	context->state[2] += c;
-	context->state[3] += d;
-	context->state[4] += e;
-	context->state[5] += f;
-	context->state[6] += g;
-	context->state[7] += h;
-
-	/* Clean up */
-	a = b = c = d = e = f = g = h = T1 = 0;
+        sha2_word32	a, b, c, d, e, f, g, h, s0, s1;
+        sha2_word32	T1, *W256;
+        int		j;
+
+        W256 = (sha2_word32*)context->buffer;
+
+        /* Initialize registers with the prev. intermediate value */
+        a = context->state[0];
+        b = context->state[1];
+        c = context->state[2];
+        d = context->state[3];
+        e = context->state[4];
+        f = context->state[5];
+        g = context->state[6];
+        h = context->state[7];
+
+        j = 0;
+        do {
+                /* Rounds 0 to 15 (unrolled): */
+                ROUND256_0_TO_15(a,b,c,d,e,f,g,h);
+                ROUND256_0_TO_15(h,a,b,c,d,e,f,g);
+                ROUND256_0_TO_15(g,h,a,b,c,d,e,f);
+                ROUND256_0_TO_15(f,g,h,a,b,c,d,e);
+                ROUND256_0_TO_15(e,f,g,h,a,b,c,d);
+                ROUND256_0_TO_15(d,e,f,g,h,a,b,c);
+                ROUND256_0_TO_15(c,d,e,f,g,h,a,b);
+                ROUND256_0_TO_15(b,c,d,e,f,g,h,a);
+        } while (j < 16);
+
+        /* Now for the remaining rounds to 64: */
+        do {
+                ROUND256(a,b,c,d,e,f,g,h);
+                ROUND256(h,a,b,c,d,e,f,g);
+                ROUND256(g,h,a,b,c,d,e,f);
+                ROUND256(f,g,h,a,b,c,d,e);
+                ROUND256(e,f,g,h,a,b,c,d);
+                ROUND256(d,e,f,g,h,a,b,c);
+                ROUND256(c,d,e,f,g,h,a,b);
+                ROUND256(b,c,d,e,f,g,h,a);
+        } while (j < 64);
+
+        /* Compute the current intermediate hash value */
+        context->state[0] += a;
+        context->state[1] += b;
+        context->state[2] += c;
+        context->state[3] += d;
+        context->state[4] += e;
+        context->state[5] += f;
+        context->state[6] += g;
+        context->state[7] += h;
+
+        /* Clean up */
+        a = b = c = d = e = f = g = h = T1 = 0;
 }
 
 #else /* SHA2_UNROLL_TRANSFORM */
 
 void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
-	sha2_word32	a, b, c, d, e, f, g, h, s0, s1;
-	sha2_word32	T1, T2, *W256;
-	int		j;
-
-	W256 = (sha2_word32*)context->buffer;
-
-	/* Initialize registers with the prev. intermediate value */
-	a = context->state[0];
-	b = context->state[1];
-	c = context->state[2];
-	d = context->state[3];
-	e = context->state[4];
-	f = context->state[5];
-	g = context->state[6];
-	h = context->state[7];
-
-	j = 0;
-	do {
+        sha2_word32	a, b, c, d, e, f, g, h, s0, s1;
+        sha2_word32	T1, T2, *W256;
+        int		j;
+
+        W256 = (sha2_word32*)context->buffer;
+
+        /* Initialize registers with the prev. intermediate value */
+        a = context->state[0];
+        b = context->state[1];
+        c = context->state[2];
+        d = context->state[3];
+        e = context->state[4];
+        f = context->state[5];
+        g = context->state[6];
+        h = context->state[7];
+
+        j = 0;
+        do {
 #if BYTE_ORDER == LITTLE_ENDIAN
-		/* Copy data while converting to host byte order */
-		REVERSE32(*data++,W256[j]);
-		/* Apply the SHA-256 compression function to update a..h */
-		T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + W256[j];
+                /* Copy data while converting to host byte order */
+                REVERSE32(*data++,W256[j]);
+                /* Apply the SHA-256 compression function to update a..h */
+                T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + W256[j];
 #else /* BYTE_ORDER == LITTLE_ENDIAN */
-		/* Apply the SHA-256 compression function to update a..h with copy */
-		T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + (W256[j] = *data++);
+                /* Apply the SHA-256 compression function to update a..h with copy */
+                T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] + (W256[j] = *data++);
 #endif /* BYTE_ORDER == LITTLE_ENDIAN */
-		T2 = Sigma0_256(a) + Maj(a, b, c);
-		h = g;
-		g = f;
-		f = e;
-		e = d + T1;
-		d = c;
-		c = b;
-		b = a;
-		a = T1 + T2;
-
-		j++;
-	} while (j < 16);
-
-	do {
-		/* Part of the message block expansion: */
-		s0 = W256[(j+1)&0x0f];
-		s0 = sigma0_256(s0);
-		s1 = W256[(j+14)&0x0f];
-		s1 = sigma1_256(s1);
-
-		/* Apply the SHA-256 compression function to update a..h */
-		T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] +
-		     (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0);
-		T2 = Sigma0_256(a) + Maj(a, b, c);
-		h = g;
-		g = f;
-		f = e;
-		e = d + T1;
-		d = c;
-		c = b;
-		b = a;
-		a = T1 + T2;
-
-		j++;
-	} while (j < 64);
-
-	/* Compute the current intermediate hash value */
-	context->state[0] += a;
-	context->state[1] += b;
-	context->state[2] += c;
-	context->state[3] += d;
-	context->state[4] += e;
-	context->state[5] += f;
-	context->state[6] += g;
-	context->state[7] += h;
-
-	/* Clean up */
-	a = b = c = d = e = f = g = h = T1 = T2 = 0;
+                T2 = Sigma0_256(a) + Maj(a, b, c);
+                h = g;
+                g = f;
+                f = e;
+                e = d + T1;
+                d = c;
+                c = b;
+                b = a;
+                a = T1 + T2;
+
+                j++;
+        } while (j < 16);
+
+        do {
+                /* Part of the message block expansion: */
+                s0 = W256[(j+1)&0x0f];
+                s0 = sigma0_256(s0);
+                s1 = W256[(j+14)&0x0f];
+                s1 = sigma1_256(s1);
+
+                /* Apply the SHA-256 compression function to update a..h */
+                T1 = h + Sigma1_256(e) + Ch(e, f, g) + K256[j] +
+                     (W256[j&0x0f] += s1 + W256[(j+9)&0x0f] + s0);
+                T2 = Sigma0_256(a) + Maj(a, b, c);
+                h = g;
+                g = f;
+                f = e;
+                e = d + T1;
+                d = c;
+                c = b;
+                b = a;
+                a = T1 + T2;
+
+                j++;
+        } while (j < 64);
+
+        /* Compute the current intermediate hash value */
+        context->state[0] += a;
+        context->state[1] += b;
+        context->state[2] += c;
+        context->state[3] += d;
+        context->state[4] += e;
+        context->state[5] += f;
+        context->state[6] += g;
+        context->state[7] += h;
+
+        /* Clean up */
+        a = b = c = d = e = f = g = h = T1 = T2 = 0;
 }
 
 #endif /* SHA2_UNROLL_TRANSFORM */
 
 void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
-	unsigned int	freespace, usedspace;
-
-	if (len == 0) {
-		/* Calling with no data is valid - we do nothing */
-		return;
-	}
-
-	/* Sanity check: */
-	assert(context != (SHA256_CTX*)0 && data != (sha2_byte*)0);
-
-	usedspace = (unsigned int)((context->bitcount >> 3) % SHA256_BLOCK_LENGTH);
-	if (usedspace > 0) {
-		/* Calculate how much free space is available in the buffer */
-		freespace = SHA256_BLOCK_LENGTH - usedspace;
-
-		if (len >= freespace) {
-			/* Fill the buffer completely and process it */
-			MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
-			context->bitcount += freespace << 3;
-			len -= freespace;
-			data += freespace;
-			SHA256_Transform(context, (sha2_word32*)context->buffer);
-		} else {
-			/* The buffer is not yet full */
-			MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
-			context->bitcount += len << 3;
-			/* Clean up: */
-			usedspace = freespace = 0;
-			return;
-		}
-	}
-	while (len >= SHA256_BLOCK_LENGTH) {
-		/* Process as many complete blocks as we can */
-		MEMCPY_BCOPY(context->buffer, data, SHA256_BLOCK_LENGTH);
-		SHA256_Transform(context, (sha2_word32*)context->buffer);
-		context->bitcount += SHA256_BLOCK_LENGTH << 3;
-		len -= SHA256_BLOCK_LENGTH;
-		data += SHA256_BLOCK_LENGTH;
-	}
-	if (len > 0) {
-		/* There's left-overs, so save 'em */
-		MEMCPY_BCOPY(context->buffer, data, len);
-		context->bitcount += len << 3;
-	}
-	/* Clean up: */
-	usedspace = freespace = 0;
+        unsigned int	freespace, usedspace;
+
+        if (len == 0) {
+                /* Calling with no data is valid - we do nothing */
+                return;
+        }
+
+        /* Sanity check: */
+        assert(context != (SHA256_CTX*)0 && data != (sha2_byte*)0);
+
+        usedspace = (unsigned int)((context->bitcount >> 3) % SHA256_BLOCK_LENGTH);
+        if (usedspace > 0) {
+                /* Calculate how much free space is available in the buffer */
+                freespace = SHA256_BLOCK_LENGTH - usedspace;
+
+                if (len >= freespace) {
+                        /* Fill the buffer completely and process it */
+                        MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
+                        context->bitcount += freespace << 3;
+                        len -= freespace;
+                        data += freespace;
+                        SHA256_Transform(context, (sha2_word32*)context->buffer);
+                } else {
+                        /* The buffer is not yet full */
+                        MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
+                        context->bitcount += len << 3;
+                        /* Clean up: */
+                        usedspace = freespace = 0;
+                        return;
+                }
+        }
+        while (len >= SHA256_BLOCK_LENGTH) {
+                /* Process as many complete blocks as we can */
+                MEMCPY_BCOPY(context->buffer, data, SHA256_BLOCK_LENGTH);
+                SHA256_Transform(context, (sha2_word32*)context->buffer);
+                context->bitcount += SHA256_BLOCK_LENGTH << 3;
+                len -= SHA256_BLOCK_LENGTH;
+                data += SHA256_BLOCK_LENGTH;
+        }
+        if (len > 0) {
+                /* There's left-overs, so save 'em */
+                MEMCPY_BCOPY(context->buffer, data, len);
+                context->bitcount += len << 3;
+        }
+        /* Clean up: */
+        usedspace = freespace = 0;
 }
 
 int SHA256_Final(sha2_byte digest[SHA256_DIGEST_LENGTH], SHA256_CTX* context) {
-	sha2_word32	*d = (sha2_word32*)digest;
-	unsigned int	usedspace;
+        sha2_word32	*d = (sha2_word32*)digest;
+        unsigned int	usedspace;
 
-	/* Sanity check: */
-	assert(context != (SHA256_CTX*)0);
+        /* Sanity check: */
+        assert(context != (SHA256_CTX*)0);
 
-	/* If no digest buffer is passed, we don't bother doing this: */
-	if (digest != (sha2_byte*)0) {
-		usedspace = (unsigned int)((context->bitcount >> 3) % SHA256_BLOCK_LENGTH);
+        /* If no digest buffer is passed, we don't bother doing this: */
+        if (digest != (sha2_byte*)0) {
+                usedspace = (unsigned int)((context->bitcount >> 3) % SHA256_BLOCK_LENGTH);
 #if BYTE_ORDER == LITTLE_ENDIAN
-		/* Convert FROM host byte order */
-		REVERSE64(context->bitcount,context->bitcount);
+                /* Convert FROM host byte order */
+                REVERSE64(context->bitcount,context->bitcount);
 #endif
-		if (usedspace > 0) {
-			/* Begin padding with a 1 bit: */
-			context->buffer[usedspace++] = 0x80;
-
-			if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
-				/* Set-up for the last transform: */
-				MEMSET_BZERO(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
-			} else {
-				if (usedspace < SHA256_BLOCK_LENGTH) {
-					MEMSET_BZERO(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
-				}
-				/* Do second-to-last transform: */
-				SHA256_Transform(context, (sha2_word32*)context->buffer);
-
-				/* And set-up for the last transform: */
-				MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
-			}
-		} else {
-			/* Set-up for the last transform: */
-			MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
-
-			/* Begin padding with a 1 bit: */
-			*context->buffer = 0x80;
-		}
-		/* Set the bit count: */
-		MEMCPY_BCOPY(&context->buffer[SHA256_SHORT_BLOCK_LENGTH], &context->bitcount,
-			     sizeof(sha2_word64));
-
-		/* Final transform: */
-		SHA256_Transform(context, (sha2_word32*)context->buffer);
+                if (usedspace > 0) {
+                        /* Begin padding with a 1 bit: */
+                        context->buffer[usedspace++] = 0x80;
+
+                        if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
+                                /* Set-up for the last transform: */
+                                MEMSET_BZERO(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
+                        } else {
+                                if (usedspace < SHA256_BLOCK_LENGTH) {
+                                        MEMSET_BZERO(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
+                                }
+                                /* Do second-to-last transform: */
+                                SHA256_Transform(context, (sha2_word32*)context->buffer);
+
+                                /* And set-up for the last transform: */
+                                MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+                        }
+                } else {
+                        /* Set-up for the last transform: */
+                        MEMSET_BZERO(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
+
+                        /* Begin padding with a 1 bit: */
+                        *context->buffer = 0x80;
+                }
+                /* Set the bit count: */
+                MEMCPY_BCOPY(&context->buffer[SHA256_SHORT_BLOCK_LENGTH], &context->bitcount,
+                             sizeof(sha2_word64));
+
+                /* Final transform: */
+                SHA256_Transform(context, (sha2_word32*)context->buffer);
 
 #if BYTE_ORDER == LITTLE_ENDIAN
-		{
-			/* Convert TO host byte order */
-			int	j;
-			for (j = 0; j < 8; j++) {
-				REVERSE32(context->state[j],context->state[j]);
-				*d++ = context->state[j];
-			}
-		}
+                {
+                        /* Convert TO host byte order */
+                        int	j;
+                        for (j = 0; j < 8; j++) {
+                                REVERSE32(context->state[j],context->state[j]);
+                                *d++ = context->state[j];
+                        }
+                }
 #else
-		MEMCPY_BCOPY(d, context->state, SHA256_DIGEST_LENGTH);
+                MEMCPY_BCOPY(d, context->state, SHA256_DIGEST_LENGTH);
 #endif
-	}
+        }
 
-	/* Clean up state data: */
-	MEMSET_BZERO(context, sizeof(*context));
-	usedspace = 0;
-	return 1;
+        /* Clean up state data: */
+        MEMSET_BZERO(context, sizeof(*context));
+        usedspace = 0;
+        return 1;
 }
 
 char *SHA256_End(SHA256_CTX* context, char buffer[SHA256_DIGEST_STRING_LENGTH]) {
-	sha2_byte	digest[SHA256_DIGEST_LENGTH], *d = digest;
-	int		i;
-
-	/* Sanity check: */
-	assert(context != (SHA256_CTX*)0);
-
-	if (buffer != (char*)0) {
-		SHA256_Final(digest, context);
-		for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
-			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
-			*buffer++ = sha2_hex_digits[*d & 0x0f];
-			d++;
-		}
-		*buffer = (char)0;
-	} else {
-		MEMSET_BZERO(context, sizeof(*context));
-	}
-	MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
-	return buffer;
+        sha2_byte	digest[SHA256_DIGEST_LENGTH], *d = digest;
+        int		i;
+
+        /* Sanity check: */
+        assert(context != (SHA256_CTX*)0);
+
+        if (buffer != (char*)0) {
+                SHA256_Final(digest, context);
+                for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
+                        *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+                        *buffer++ = sha2_hex_digits[*d & 0x0f];
+                        d++;
+                }
+                *buffer = (char)0;
+        } else {
+                MEMSET_BZERO(context, sizeof(*context));
+        }
+        MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
+        return buffer;
 }
 
 char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH]) {
-	SHA256_CTX	context;
+        SHA256_CTX	context;
 
-	SHA256_Init(&context);
-	SHA256_Update(&context, data, len);
-	return SHA256_End(&context, digest);
+        SHA256_Init(&context);
+        SHA256_Update(&context, data, len);
+        return SHA256_End(&context, digest);
 }
 
 
 /*** SHA-512: *********************************************************/
 int SHA512_Init(SHA512_CTX* context) {
-	if (context == (SHA512_CTX*)0) {
-		return 0;
-	}
-	MEMCPY_BCOPY(context->state, sha512_initial_hash_value, SHA512_DIGEST_LENGTH);
-	MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH);
-	context->bitcount[0] = context->bitcount[1] =  0;
-	return 1;
+        if (context == (SHA512_CTX*)0) {
+                return 0;
+        }
+        MEMCPY_BCOPY(context->state, sha512_initial_hash_value, SHA512_DIGEST_LENGTH);
+        MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH);
+        context->bitcount[0] = context->bitcount[1] =  0;
+        return 1;
 }
 
 #ifdef SHA2_UNROLL_TRANSFORM
@@ -688,394 +688,394 @@ int SHA512_Init(SHA512_CTX* context) {
 #if BYTE_ORDER == LITTLE_ENDIAN
 
 #define ROUND512_0_TO_15(a,b,c,d,e,f,g,h)	\
-	REVERSE64(*data++, W512[j]); \
-	T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \
+        REVERSE64(*data++, W512[j]); \
+        T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \
              K512[j] + W512[j]; \
-	(d) += T1, \
-	(h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)), \
-	j++
+        (d) += T1, \
+        (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)), \
+        j++
 
 
 #else /* BYTE_ORDER == LITTLE_ENDIAN */
 
 #define ROUND512_0_TO_15(a,b,c,d,e,f,g,h)	\
-	T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \
+        T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + \
              K512[j] + (W512[j] = *data++); \
-	(d) += T1; \
-	(h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
-	j++
+        (d) += T1; \
+        (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
+        j++
 
 #endif /* BYTE_ORDER == LITTLE_ENDIAN */
 
 #define ROUND512(a,b,c,d,e,f,g,h)	\
-	s0 = W512[(j+1)&0x0f]; \
-	s0 = sigma0_512(s0); \
-	s1 = W512[(j+14)&0x0f]; \
-	s1 = sigma1_512(s1); \
-	T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + K512[j] + \
+        s0 = W512[(j+1)&0x0f]; \
+        s0 = sigma0_512(s0); \
+        s1 = W512[(j+14)&0x0f]; \
+        s1 = sigma1_512(s1); \
+        T1 = (h) + Sigma1_512(e) + Ch((e), (f), (g)) + K512[j] + \
              (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0); \
-	(d) += T1; \
-	(h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
-	j++
+        (d) += T1; \
+        (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)); \
+        j++
 
 void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
-	sha2_word64	a, b, c, d, e, f, g, h, s0, s1;
-	sha2_word64	T1, *W512 = (sha2_word64*)context->buffer;
-	int		j;
-
-	/* Initialize registers with the prev. intermediate value */
-	a = context->state[0];
-	b = context->state[1];
-	c = context->state[2];
-	d = context->state[3];
-	e = context->state[4];
-	f = context->state[5];
-	g = context->state[6];
-	h = context->state[7];
-
-	j = 0;
-	do {
-		ROUND512_0_TO_15(a,b,c,d,e,f,g,h);
-		ROUND512_0_TO_15(h,a,b,c,d,e,f,g);
-		ROUND512_0_TO_15(g,h,a,b,c,d,e,f);
-		ROUND512_0_TO_15(f,g,h,a,b,c,d,e);
-		ROUND512_0_TO_15(e,f,g,h,a,b,c,d);
-		ROUND512_0_TO_15(d,e,f,g,h,a,b,c);
-		ROUND512_0_TO_15(c,d,e,f,g,h,a,b);
-		ROUND512_0_TO_15(b,c,d,e,f,g,h,a);
-	} while (j < 16);
-
-	/* Now for the remaining rounds up to 79: */
-	do {
-		ROUND512(a,b,c,d,e,f,g,h);
-		ROUND512(h,a,b,c,d,e,f,g);
-		ROUND512(g,h,a,b,c,d,e,f);
-		ROUND512(f,g,h,a,b,c,d,e);
-		ROUND512(e,f,g,h,a,b,c,d);
-		ROUND512(d,e,f,g,h,a,b,c);
-		ROUND512(c,d,e,f,g,h,a,b);
-		ROUND512(b,c,d,e,f,g,h,a);
-	} while (j < 80);
-
-	/* Compute the current intermediate hash value */
-	context->state[0] += a;
-	context->state[1] += b;
-	context->state[2] += c;
-	context->state[3] += d;
-	context->state[4] += e;
-	context->state[5] += f;
-	context->state[6] += g;
-	context->state[7] += h;
-
-	/* Clean up */
-	a = b = c = d = e = f = g = h = T1 = 0;
+        sha2_word64	a, b, c, d, e, f, g, h, s0, s1;
+        sha2_word64	T1, *W512 = (sha2_word64*)context->buffer;
+        int		j;
+
+        /* Initialize registers with the prev. intermediate value */
+        a = context->state[0];
+        b = context->state[1];
+        c = context->state[2];
+        d = context->state[3];
+        e = context->state[4];
+        f = context->state[5];
+        g = context->state[6];
+        h = context->state[7];
+
+        j = 0;
+        do {
+                ROUND512_0_TO_15(a,b,c,d,e,f,g,h);
+                ROUND512_0_TO_15(h,a,b,c,d,e,f,g);
+                ROUND512_0_TO_15(g,h,a,b,c,d,e,f);
+                ROUND512_0_TO_15(f,g,h,a,b,c,d,e);
+                ROUND512_0_TO_15(e,f,g,h,a,b,c,d);
+                ROUND512_0_TO_15(d,e,f,g,h,a,b,c);
+                ROUND512_0_TO_15(c,d,e,f,g,h,a,b);
+                ROUND512_0_TO_15(b,c,d,e,f,g,h,a);
+        } while (j < 16);
+
+        /* Now for the remaining rounds up to 79: */
+        do {
+                ROUND512(a,b,c,d,e,f,g,h);
+                ROUND512(h,a,b,c,d,e,f,g);
+                ROUND512(g,h,a,b,c,d,e,f);
+                ROUND512(f,g,h,a,b,c,d,e);
+                ROUND512(e,f,g,h,a,b,c,d);
+                ROUND512(d,e,f,g,h,a,b,c);
+                ROUND512(c,d,e,f,g,h,a,b);
+                ROUND512(b,c,d,e,f,g,h,a);
+        } while (j < 80);
+
+        /* Compute the current intermediate hash value */
+        context->state[0] += a;
+        context->state[1] += b;
+        context->state[2] += c;
+        context->state[3] += d;
+        context->state[4] += e;
+        context->state[5] += f;
+        context->state[6] += g;
+        context->state[7] += h;
+
+        /* Clean up */
+        a = b = c = d = e = f = g = h = T1 = 0;
 }
 
 #else /* SHA2_UNROLL_TRANSFORM */
 
 void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
-	sha2_word64	a, b, c, d, e, f, g, h, s0, s1;
-	sha2_word64	T1, T2, *W512 = (sha2_word64*)context->buffer;
-	int		j;
-
-	/* Initialize registers with the prev. intermediate value */
-	a = context->state[0];
-	b = context->state[1];
-	c = context->state[2];
-	d = context->state[3];
-	e = context->state[4];
-	f = context->state[5];
-	g = context->state[6];
-	h = context->state[7];
-
-	j = 0;
-	do {
+        sha2_word64	a, b, c, d, e, f, g, h, s0, s1;
+        sha2_word64	T1, T2, *W512 = (sha2_word64*)context->buffer;
+        int		j;
+
+        /* Initialize registers with the prev. intermediate value */
+        a = context->state[0];
+        b = context->state[1];
+        c = context->state[2];
+        d = context->state[3];
+        e = context->state[4];
+        f = context->state[5];
+        g = context->state[6];
+        h = context->state[7];
+
+        j = 0;
+        do {
 #if BYTE_ORDER == LITTLE_ENDIAN
-		/* Convert TO host byte order */
-		REVERSE64(*data++, W512[j]);
-		/* Apply the SHA-512 compression function to update a..h */
-		T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j];
+                /* Convert TO host byte order */
+                REVERSE64(*data++, W512[j]);
+                /* Apply the SHA-512 compression function to update a..h */
+                T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j];
 #else /* BYTE_ORDER == LITTLE_ENDIAN */
-		/* Apply the SHA-512 compression function to update a..h with copy */
-		T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + (W512[j] = *data++);
+                /* Apply the SHA-512 compression function to update a..h with copy */
+                T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + (W512[j] = *data++);
 #endif /* BYTE_ORDER == LITTLE_ENDIAN */
-		T2 = Sigma0_512(a) + Maj(a, b, c);
-		h = g;
-		g = f;
-		f = e;
-		e = d + T1;
-		d = c;
-		c = b;
-		b = a;
-		a = T1 + T2;
-
-		j++;
-	} while (j < 16);
-
-	do {
-		/* Part of the message block expansion: */
-		s0 = W512[(j+1)&0x0f];
-		s0 = sigma0_512(s0);
-		s1 = W512[(j+14)&0x0f];
-		s1 =  sigma1_512(s1);
-
-		/* Apply the SHA-512 compression function to update a..h */
-		T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] +
-		     (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0);
-		T2 = Sigma0_512(a) + Maj(a, b, c);
-		h = g;
-		g = f;
-		f = e;
-		e = d + T1;
-		d = c;
-		c = b;
-		b = a;
-		a = T1 + T2;
-
-		j++;
-	} while (j < 80);
-
-	/* Compute the current intermediate hash value */
-	context->state[0] += a;
-	context->state[1] += b;
-	context->state[2] += c;
-	context->state[3] += d;
-	context->state[4] += e;
-	context->state[5] += f;
-	context->state[6] += g;
-	context->state[7] += h;
-
-	/* Clean up */
-	a = b = c = d = e = f = g = h = T1 = T2 = 0;
+                T2 = Sigma0_512(a) + Maj(a, b, c);
+                h = g;
+                g = f;
+                f = e;
+                e = d + T1;
+                d = c;
+                c = b;
+                b = a;
+                a = T1 + T2;
+
+                j++;
+        } while (j < 16);
+
+        do {
+                /* Part of the message block expansion: */
+                s0 = W512[(j+1)&0x0f];
+                s0 = sigma0_512(s0);
+                s1 = W512[(j+14)&0x0f];
+                s1 =  sigma1_512(s1);
+
+                /* Apply the SHA-512 compression function to update a..h */
+                T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] +
+                     (W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0);
+                T2 = Sigma0_512(a) + Maj(a, b, c);
+                h = g;
+                g = f;
+                f = e;
+                e = d + T1;
+                d = c;
+                c = b;
+                b = a;
+                a = T1 + T2;
+
+                j++;
+        } while (j < 80);
+
+        /* Compute the current intermediate hash value */
+        context->state[0] += a;
+        context->state[1] += b;
+        context->state[2] += c;
+        context->state[3] += d;
+        context->state[4] += e;
+        context->state[5] += f;
+        context->state[6] += g;
+        context->state[7] += h;
+
+        /* Clean up */
+        a = b = c = d = e = f = g = h = T1 = T2 = 0;
 }
 
 #endif /* SHA2_UNROLL_TRANSFORM */
 
 void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
-	unsigned int	freespace, usedspace;
-
-	if (len == 0) {
-		/* Calling with no data is valid - we do nothing */
-		return;
-	}
-
-	/* Sanity check: */
-	assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0);
-
-	usedspace = (unsigned int)((context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH);
-	if (usedspace > 0) {
-		/* Calculate how much free space is available in the buffer */
-		freespace = SHA512_BLOCK_LENGTH - usedspace;
-
-		if (len >= freespace) {
-			/* Fill the buffer completely and process it */
-			MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
-			ADDINC128(context->bitcount, freespace << 3);
-			len -= freespace;
-			data += freespace;
-			SHA512_Transform(context, (sha2_word64*)context->buffer);
-		} else {
-			/* The buffer is not yet full */
-			MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
-			ADDINC128(context->bitcount, len << 3);
-			/* Clean up: */
-			usedspace = freespace = 0;
-			return;
-		}
-	}
-	while (len >= SHA512_BLOCK_LENGTH) {
-		/* Process as many complete blocks as we can */
-		MEMCPY_BCOPY(context->buffer, data, SHA512_BLOCK_LENGTH);
-		SHA512_Transform(context, (sha2_word64*)context->buffer);
-		ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
-		len -= SHA512_BLOCK_LENGTH;
-		data += SHA512_BLOCK_LENGTH;
-	}
-	if (len > 0) {
-		/* There's left-overs, so save 'em */
-		MEMCPY_BCOPY(context->buffer, data, len);
-		ADDINC128(context->bitcount, len << 3);
-	}
-	/* Clean up: */
-	usedspace = freespace = 0;
+        unsigned int	freespace, usedspace;
+
+        if (len == 0) {
+                /* Calling with no data is valid - we do nothing */
+                return;
+        }
+
+        /* Sanity check: */
+        assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0);
+
+        usedspace = (unsigned int)((context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH);
+        if (usedspace > 0) {
+                /* Calculate how much free space is available in the buffer */
+                freespace = SHA512_BLOCK_LENGTH - usedspace;
+
+                if (len >= freespace) {
+                        /* Fill the buffer completely and process it */
+                        MEMCPY_BCOPY(&context->buffer[usedspace], data, freespace);
+                        ADDINC128(context->bitcount, freespace << 3);
+                        len -= freespace;
+                        data += freespace;
+                        SHA512_Transform(context, (sha2_word64*)context->buffer);
+                } else {
+                        /* The buffer is not yet full */
+                        MEMCPY_BCOPY(&context->buffer[usedspace], data, len);
+                        ADDINC128(context->bitcount, len << 3);
+                        /* Clean up: */
+                        usedspace = freespace = 0;
+                        return;
+                }
+        }
+        while (len >= SHA512_BLOCK_LENGTH) {
+                /* Process as many complete blocks as we can */
+                MEMCPY_BCOPY(context->buffer, data, SHA512_BLOCK_LENGTH);
+                SHA512_Transform(context, (sha2_word64*)context->buffer);
+                ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
+                len -= SHA512_BLOCK_LENGTH;
+                data += SHA512_BLOCK_LENGTH;
+        }
+        if (len > 0) {
+                /* There's left-overs, so save 'em */
+                MEMCPY_BCOPY(context->buffer, data, len);
+                ADDINC128(context->bitcount, len << 3);
+        }
+        /* Clean up: */
+        usedspace = freespace = 0;
 }
 
 void SHA512_Last(SHA512_CTX* context) {
-	unsigned int	usedspace;
+        unsigned int	usedspace;
 
-	usedspace = (unsigned int)((context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH);
+        usedspace = (unsigned int)((context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH);
 #if BYTE_ORDER == LITTLE_ENDIAN
-	/* Convert FROM host byte order */
-	REVERSE64(context->bitcount[0],context->bitcount[0]);
-	REVERSE64(context->bitcount[1],context->bitcount[1]);
+        /* Convert FROM host byte order */
+        REVERSE64(context->bitcount[0],context->bitcount[0]);
+        REVERSE64(context->bitcount[1],context->bitcount[1]);
 #endif
-	if (usedspace > 0) {
-		/* Begin padding with a 1 bit: */
-		context->buffer[usedspace++] = 0x80;
-
-		if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
-			/* Set-up for the last transform: */
-			MEMSET_BZERO(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
-		} else {
-			if (usedspace < SHA512_BLOCK_LENGTH) {
-				MEMSET_BZERO(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
-			}
-			/* Do second-to-last transform: */
-			SHA512_Transform(context, (sha2_word64*)context->buffer);
-
-			/* And set-up for the last transform: */
-			MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH - 2);
-		}
-	} else {
-		/* Prepare for final transform: */
-		MEMSET_BZERO(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
-
-		/* Begin padding with a 1 bit: */
-		*context->buffer = 0x80;
-	}
-	/* Store the length of input data (in bits): */
-	MEMCPY_BCOPY(&context->buffer[SHA512_SHORT_BLOCK_LENGTH], &context->bitcount[1],
-		     sizeof(sha2_word64));
-	MEMCPY_BCOPY(&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8], &context->bitcount[0],
-		     sizeof(sha2_word64));
-
-	/* Final transform: */
-	SHA512_Transform(context, (sha2_word64*)context->buffer);
+        if (usedspace > 0) {
+                /* Begin padding with a 1 bit: */
+                context->buffer[usedspace++] = 0x80;
+
+                if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
+                        /* Set-up for the last transform: */
+                        MEMSET_BZERO(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
+                } else {
+                        if (usedspace < SHA512_BLOCK_LENGTH) {
+                                MEMSET_BZERO(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
+                        }
+                        /* Do second-to-last transform: */
+                        SHA512_Transform(context, (sha2_word64*)context->buffer);
+
+                        /* And set-up for the last transform: */
+                        MEMSET_BZERO(context->buffer, SHA512_BLOCK_LENGTH - 2);
+                }
+        } else {
+                /* Prepare for final transform: */
+                MEMSET_BZERO(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
+
+                /* Begin padding with a 1 bit: */
+                *context->buffer = 0x80;
+        }
+        /* Store the length of input data (in bits): */
+        MEMCPY_BCOPY(&context->buffer[SHA512_SHORT_BLOCK_LENGTH], &context->bitcount[1],
+                     sizeof(sha2_word64));
+        MEMCPY_BCOPY(&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8], &context->bitcount[0],
+                     sizeof(sha2_word64));
+
+        /* Final transform: */
+        SHA512_Transform(context, (sha2_word64*)context->buffer);
 }
 
 int SHA512_Final(sha2_byte digest[SHA512_DIGEST_LENGTH], SHA512_CTX* context) {
-	sha2_word64	*d = (sha2_word64*)digest;
+        sha2_word64	*d = (sha2_word64*)digest;
 
-	/* Sanity check: */
-	assert(context != (SHA512_CTX*)0);
+        /* Sanity check: */
+        assert(context != (SHA512_CTX*)0);
 
-	/* If no digest buffer is passed, we don't bother doing this: */
-	if (digest != (sha2_byte*)0) {
-		SHA512_Last(context);
+        /* If no digest buffer is passed, we don't bother doing this: */
+        if (digest != (sha2_byte*)0) {
+                SHA512_Last(context);
 
-		/* Save the hash data for output: */
+                /* Save the hash data for output: */
 #if BYTE_ORDER == LITTLE_ENDIAN
-		{
-			/* Convert TO host byte order */
-			int	j;
-			for (j = 0; j < 8; j++) {
-				REVERSE64(context->state[j],context->state[j]);
-				*d++ = context->state[j];
-			}
-		}
+                {
+                        /* Convert TO host byte order */
+                        int	j;
+                        for (j = 0; j < 8; j++) {
+                                REVERSE64(context->state[j],context->state[j]);
+                                *d++ = context->state[j];
+                        }
+                }
 #else
-		MEMCPY_BCOPY(d, context->state, SHA512_DIGEST_LENGTH);
+                MEMCPY_BCOPY(d, context->state, SHA512_DIGEST_LENGTH);
 #endif
-	}
+        }
 
-	/* Zero out state data */
-	MEMSET_BZERO(context, sizeof(*context));
-	return 1;
+        /* Zero out state data */
+        MEMSET_BZERO(context, sizeof(*context));
+        return 1;
 }
 
 char *SHA512_End(SHA512_CTX* context, char buffer[SHA512_DIGEST_STRING_LENGTH]) {
-	sha2_byte	digest[SHA512_DIGEST_LENGTH], *d = digest;
-	int		i;
-
-	/* Sanity check: */
-	assert(context != (SHA512_CTX*)0);
-
-	if (buffer != (char*)0) {
-		SHA512_Final(digest, context);
-		for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
-			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
-			*buffer++ = sha2_hex_digits[*d & 0x0f];
-			d++;
-		}
-		*buffer = (char)0;
-	} else {
-		MEMSET_BZERO(context, sizeof(*context));
-	}
-	MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH);
-	return buffer;
+        sha2_byte	digest[SHA512_DIGEST_LENGTH], *d = digest;
+        int		i;
+
+        /* Sanity check: */
+        assert(context != (SHA512_CTX*)0);
+
+        if (buffer != (char*)0) {
+                SHA512_Final(digest, context);
+                for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
+                        *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+                        *buffer++ = sha2_hex_digits[*d & 0x0f];
+                        d++;
+                }
+                *buffer = (char)0;
+        } else {
+                MEMSET_BZERO(context, sizeof(*context));
+        }
+        MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH);
+        return buffer;
 }
 
 char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH]) {
-	SHA512_CTX	context;
+        SHA512_CTX	context;
 
-	SHA512_Init(&context);
-	SHA512_Update(&context, data, len);
-	return SHA512_End(&context, digest);
+        SHA512_Init(&context);
+        SHA512_Update(&context, data, len);
+        return SHA512_End(&context, digest);
 }
 
 
 /*** SHA-384: *********************************************************/
 int SHA384_Init(SHA384_CTX* context) {
-	if (context == (SHA384_CTX*)0) {
-		return 0;
-	}
-	MEMCPY_BCOPY(context->state, sha384_initial_hash_value, SHA512_DIGEST_LENGTH);
-	MEMSET_BZERO(context->buffer, SHA384_BLOCK_LENGTH);
-	context->bitcount[0] = context->bitcount[1] = 0;
-	return 1;
+        if (context == (SHA384_CTX*)0) {
+                return 0;
+        }
+        MEMCPY_BCOPY(context->state, sha384_initial_hash_value, SHA512_DIGEST_LENGTH);
+        MEMSET_BZERO(context->buffer, SHA384_BLOCK_LENGTH);
+        context->bitcount[0] = context->bitcount[1] = 0;
+        return 1;
 }
 
 void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) {
-	SHA512_Update((SHA512_CTX*)context, data, len);
+        SHA512_Update((SHA512_CTX*)context, data, len);
 }
 
 int SHA384_Final(sha2_byte digest[SHA384_DIGEST_LENGTH], SHA384_CTX* context) {
-	sha2_word64	*d = (sha2_word64*)digest;
+        sha2_word64	*d = (sha2_word64*)digest;
 
-	/* Sanity check: */
-	assert(context != (SHA384_CTX*)0);
+        /* Sanity check: */
+        assert(context != (SHA384_CTX*)0);
 
-	/* If no digest buffer is passed, we don't bother doing this: */
-	if (digest != (sha2_byte*)0) {
-		SHA512_Last((SHA512_CTX*)context);
+        /* If no digest buffer is passed, we don't bother doing this: */
+        if (digest != (sha2_byte*)0) {
+                SHA512_Last((SHA512_CTX*)context);
 
-		/* Save the hash data for output: */
+                /* Save the hash data for output: */
 #if BYTE_ORDER == LITTLE_ENDIAN
-		{
-			/* Convert TO host byte order */
-			int	j;
-			for (j = 0; j < 6; j++) {
-				REVERSE64(context->state[j],context->state[j]);
-				*d++ = context->state[j];
-			}
-		}
+                {
+                        /* Convert TO host byte order */
+                        int	j;
+                        for (j = 0; j < 6; j++) {
+                                REVERSE64(context->state[j],context->state[j]);
+                                *d++ = context->state[j];
+                        }
+                }
 #else
-		MEMCPY_BCOPY(d, context->state, SHA384_DIGEST_LENGTH);
+                MEMCPY_BCOPY(d, context->state, SHA384_DIGEST_LENGTH);
 #endif
-	}
+        }
 
-	/* Zero out state data */
-	MEMSET_BZERO(context, sizeof(*context));
-	return 1;
+        /* Zero out state data */
+        MEMSET_BZERO(context, sizeof(*context));
+        return 1;
 }
 
 char *SHA384_End(SHA384_CTX* context, char buffer[SHA384_DIGEST_STRING_LENGTH]) {
-	sha2_byte	digest[SHA384_DIGEST_LENGTH], *d = digest;
-	int		i;
-
-	/* Sanity check: */
-	assert(context != (SHA384_CTX*)0);
-
-	if (buffer != (char*)0) {
-		SHA384_Final(digest, context);
-		for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
-			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
-			*buffer++ = sha2_hex_digits[*d & 0x0f];
-			d++;
-		}
-		*buffer = (char)0;
-	} else {
-		MEMSET_BZERO(context, sizeof(*context));
-	}
-	MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH);
-	return buffer;
+        sha2_byte	digest[SHA384_DIGEST_LENGTH], *d = digest;
+        int		i;
+
+        /* Sanity check: */
+        assert(context != (SHA384_CTX*)0);
+
+        if (buffer != (char*)0) {
+                SHA384_Final(digest, context);
+                for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
+                        *buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+                        *buffer++ = sha2_hex_digits[*d & 0x0f];
+                        d++;
+                }
+                *buffer = (char)0;
+        } else {
+                MEMSET_BZERO(context, sizeof(*context));
+        }
+        MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH);
+        return buffer;
 }
 
 char* SHA384_Data(const sha2_byte* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) {
-	SHA384_CTX	context;
+        SHA384_CTX	context;
 
-	SHA384_Init(&context);
-	SHA384_Update(&context, data, len);
-	return SHA384_End(&context, digest);
+        SHA384_Init(&context);
+        SHA384_Update(&context, data, len);
+        return SHA384_End(&context, digest);
 }