remove extra spaces

1 files changed, 13 insertions, 13 deletions

diff --git a/sha256.c b/sha256.c
index ce13e22..fa99505 100644
--- a/sha256.c
+++ b/sha256.c
@@ -42,13 +42,13 @@ static void sha_compress(struct sha256_ctx *md)
 {
 	u32 S[8], W[64], t0, t1;
 	int i;
-	
+
 	/* copy state into S */
 	for (i = 0; i < 8; i++)
 		S[i] = md->state[i];
-	
+
 	/* copy the state into 512-bits into W[0..15] */
-	for (i = 0; i < 16; i++) 
+	for (i = 0; i < 16; i++)
 		W[i] = (((unsigned long) md->buf[(4 * i) + 0]) << 24) |
 			(((unsigned long) md->buf[(4 * i) + 1]) << 16) |
 			(((unsigned long) md->buf[(4 * i) + 2]) << 8) |
@@ -57,7 +57,7 @@ static void sha_compress(struct sha256_ctx *md)
 	/* fill W[16..63] */
 	for (i = 16; i < 64; i++)
 		W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
-	
+
 	/* Compress */
 	for (i = 0; i < 64; i++) {
 		t0 = S[7] + Sigma1(S[4]) + Ch(S[4], S[5], S[6]) + K[i] + W[i];
@@ -71,7 +71,7 @@ static void sha_compress(struct sha256_ctx *md)
 		S[1] = S[0];
 		S[0] = t0 + t1;
 	}
-	
+
 	/* feedback */
 	for (i = 0; i < 8; i++)
 		md->state[i] += S[i];
@@ -111,38 +111,38 @@ void sha256_final(void *ctx, u8 *hash)
 {
 	struct sha256_ctx *md = ctx;
 	int i;
-	
+
 	/* increase the length of the message */
 	md->length += md->curlen * 8;
-	
+
 	/* append the '1' bit */
 	md->buf[md->curlen++] = 0x80;
-	
+
 	/* if the length is currenlly above 56 bytes we append zeros
 	 * then compress.  Then we can fall back to padding zeros and length
 	 * encoding like normal.
 	 */
-	
+
 	if (md->curlen >= 56) {
 		for (; md->curlen < 64;)
 			md->buf[md->curlen++] = 0;
 		sha_compress(md);
 		md->curlen = 0;
 	}
-	
+
 	/* pad upto 56 bytes of zeroes */
 	for (; md->curlen < 56;)
 		md->buf[md->curlen++] = 0;
-	
+
 	/* since all messages are under 2^32 bits we mark the top bits zero */
 	for (i = 56; i < 60; i++)
 		md->buf[i] = 0;
-	
+
 	/* append length */
 	for (i = 60; i < 64; i++)
 		md->buf[i] = (md->length >> ((63 - i) * 8)) & 255;
 	sha_compress(md);
-	
+
 	/* copy output */
 	for (i = 0; i < 32; i++)
 		hash[i] = (md->state[i >> 2] >> (((3 - i) & 3) << 3)) & 255;