[PATCH] sha512: fix whitespace

From: Denis Vlasenko
Date: Tue Apr 19 2005 - 01:32:07 EST


While we're at it, fix inconsistent tab/space usage.

No code changes.
--
vda
diff -urpN 2.6.12-rc2.2.ror/crypto/sha512.c 2.6.12-rc2.3.ws/crypto/sha512.c
--- 2.6.12-rc2.2.ror/crypto/sha512.c Mon Apr 18 23:37:20 2005
+++ 2.6.12-rc2.3.ws/crypto/sha512.c Mon Apr 18 23:48:18 2005
@@ -35,42 +35,42 @@ struct sha512_ctx {

static inline u64 Ch(u64 x, u64 y, u64 z)
{
- return z ^ (x & (y ^ z));
+ return z ^ (x & (y ^ z));
}

static inline u64 Maj(u64 x, u64 y, u64 z)
{
- return (x & y) | (z & (x | y));
+ return (x & y) | (z & (x | y));
}

static const u64 sha512_K[80] = {
- 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL,
- 0xe9b5dba58189dbbcULL, 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
- 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, 0xd807aa98a3030242ULL,
- 0x12835b0145706fbeULL, 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
- 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, 0x9bdc06a725c71235ULL,
- 0xc19bf174cf692694ULL, 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
- 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, 0x2de92c6f592b0275ULL,
- 0x4a7484aa6ea6e483ULL, 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
- 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, 0xb00327c898fb213fULL,
- 0xbf597fc7beef0ee4ULL, 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
- 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, 0x27b70a8546d22ffcULL,
- 0x2e1b21385c26c926ULL, 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
- 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, 0x81c2c92e47edaee6ULL,
- 0x92722c851482353bULL, 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
- 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, 0xd192e819d6ef5218ULL,
- 0xd69906245565a910ULL, 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
- 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, 0x2748774cdf8eeb99ULL,
- 0x34b0bcb5e19b48a8ULL, 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
- 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, 0x748f82ee5defb2fcULL,
- 0x78a5636f43172f60ULL, 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
- 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, 0xbef9a3f7b2c67915ULL,
- 0xc67178f2e372532bULL, 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
- 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, 0x06f067aa72176fbaULL,
- 0x0a637dc5a2c898a6ULL, 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
- 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL,
- 0x431d67c49c100d4cULL, 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
- 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL,
+ 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL,
+ 0xe9b5dba58189dbbcULL, 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
+ 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, 0xd807aa98a3030242ULL,
+ 0x12835b0145706fbeULL, 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
+ 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, 0x9bdc06a725c71235ULL,
+ 0xc19bf174cf692694ULL, 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
+ 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, 0x2de92c6f592b0275ULL,
+ 0x4a7484aa6ea6e483ULL, 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
+ 0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, 0xb00327c898fb213fULL,
+ 0xbf597fc7beef0ee4ULL, 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
+ 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, 0x27b70a8546d22ffcULL,
+ 0x2e1b21385c26c926ULL, 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
+ 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, 0x81c2c92e47edaee6ULL,
+ 0x92722c851482353bULL, 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
+ 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, 0xd192e819d6ef5218ULL,
+ 0xd69906245565a910ULL, 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
+ 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, 0x2748774cdf8eeb99ULL,
+ 0x34b0bcb5e19b48a8ULL, 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
+ 0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, 0x748f82ee5defb2fcULL,
+ 0x78a5636f43172f60ULL, 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
+ 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, 0xbef9a3f7b2c67915ULL,
+ 0xc67178f2e372532bULL, 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
+ 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, 0x06f067aa72176fbaULL,
+ 0x0a637dc5a2c898a6ULL, 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
+ 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL,
+ 0x431d67c49c100d4cULL, 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
+ 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL,
};

#define e0(x) (ror64(x,28) ^ ror64(x,34) ^ ror64(x,39))
@@ -116,16 +116,16 @@ sha512_transform(u64 *state, u64 *W, con
int i;

/* load the input */
- for (i = 0; i < 16; i++)
- LOAD_OP(i, W, input);
+ for (i = 0; i < 16; i++)
+ LOAD_OP(i, W, input);

- for (i = 16; i < 80; i++)
- BLEND_OP(i, W);
+ for (i = 16; i < 80; i++)
+ BLEND_OP(i, W);

/* load the state into our registers */
- a=state[0]; b=state[1]; c=state[2]; d=state[3];
- e=state[4]; f=state[5]; g=state[6]; h=state[7];
-
+ a=state[0]; b=state[1]; c=state[2]; d=state[3];
+ e=state[4]; f=state[5]; g=state[6]; h=state[7];
+
/* now iterate */
for (i=0; i<80; i+=8) {
t1 = h + e1(e) + Ch(e,f,g) + sha512_K[i ] + W[i ];
@@ -145,9 +145,9 @@ sha512_transform(u64 *state, u64 *W, con
t1 = a + e1(f) + Ch(f,g,h) + sha512_K[i+7] + W[i+7];
t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
}
-
- state[0] += a; state[1] += b; state[2] += c; state[3] += d;
- state[4] += e; state[5] += f; state[6] += g; state[7] += h;
+
+ state[0] += a; state[1] += b; state[2] += c; state[3] += d;
+ state[4] += e; state[5] += f; state[6] += g; state[7] += h;

/* erase our data */
a = b = c = d = e = f = g = h = t1 = t2 = 0;
@@ -156,7 +156,7 @@ sha512_transform(u64 *state, u64 *W, con
static void
sha512_init(void *ctx)
{
- struct sha512_ctx *sctx = ctx;
+ struct sha512_ctx *sctx = ctx;
sctx->state[0] = H0;
sctx->state[1] = H1;
sctx->state[2] = H2;
@@ -172,29 +172,29 @@ sha512_init(void *ctx)
static void
sha384_init(void *ctx)
{
- struct sha512_ctx *sctx = ctx;
- sctx->state[0] = HP0;
- sctx->state[1] = HP1;
- sctx->state[2] = HP2;
- sctx->state[3] = HP3;
- sctx->state[4] = HP4;
- sctx->state[5] = HP5;
- sctx->state[6] = HP6;
- sctx->state[7] = HP7;
- sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
- memset(sctx->buf, 0, sizeof(sctx->buf));
+ struct sha512_ctx *sctx = ctx;
+ sctx->state[0] = HP0;
+ sctx->state[1] = HP1;
+ sctx->state[2] = HP2;
+ sctx->state[3] = HP3;
+ sctx->state[4] = HP4;
+ sctx->state[5] = HP5;
+ sctx->state[6] = HP6;
+ sctx->state[7] = HP7;
+ sctx->count[0] = sctx->count[1] = sctx->count[2] = sctx->count[3] = 0;
+ memset(sctx->buf, 0, sizeof(sctx->buf));
}

static void
sha512_update(void *ctx, const u8 *data, unsigned int len)
{
- struct sha512_ctx *sctx = ctx;
+ struct sha512_ctx *sctx = ctx;

unsigned int i, index, part_len;

/* Compute number of bytes mod 128 */
index = (unsigned int)((sctx->count[0] >> 3) & 0x7F);
-
+
/* Update number of bits */
if ((sctx->count[0] += (len << 3)) < (len << 3)) {
if ((sctx->count[1] += 1) < 1)
@@ -202,9 +202,9 @@ sha512_update(void *ctx, const u8 *data,
sctx->count[3]++;
sctx->count[1] += (len >> 29);
}
-
- part_len = 128 - index;
-
+
+ part_len = 128 - index;
+
/* Transform as many times as possible. */
if (len >= part_len) {
memcpy(&sctx->buf[index], data, part_len);
@@ -228,11 +228,11 @@ sha512_update(void *ctx, const u8 *data,
static void
sha512_final(void *ctx, u8 *hash)
{
- struct sha512_ctx *sctx = ctx;
-
- static u8 padding[128] = { 0x80, };
+ struct sha512_ctx *sctx = ctx;
+
+ static u8 padding[128] = { 0x80, };

- u8 bits[128];
+ u8 bits[128];
unsigned int index, pad_len;
int i;

@@ -255,70 +255,70 @@ sha512_final(void *ctx, u8 *hash)
/* Store state in digest */
for (i = 0; i < 8; i++)
((__be64*)hash)[i] = __cpu_to_be64(sctx->state[i]);
-
+
/* Zeroize sensitive information. */
memset(sctx, 0, sizeof(struct sha512_ctx));
}

static void sha384_final(void *ctx, u8 *hash)
{
- struct sha512_ctx *sctx = ctx;
- u8 D[64];
+ struct sha512_ctx *sctx = ctx;
+ u8 D[64];

- sha512_final(sctx, D);
+ sha512_final(sctx, D);

- memcpy(hash, D, 48);
- memset(D, 0, 64);
+ memcpy(hash, D, 48);
+ memset(D, 0, 64);
}

static struct crypto_alg sha512 = {
- .cra_name = "sha512",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = SHA512_HMAC_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct sha512_ctx),
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(sha512.cra_list),
- .cra_u = { .digest = {
- .dia_digestsize = SHA512_DIGEST_SIZE,
- .dia_init = sha512_init,
- .dia_update = sha512_update,
- .dia_final = sha512_final }
- }
+ .cra_name = "sha512",
+ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
+ .cra_blocksize = SHA512_HMAC_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sha512_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(sha512.cra_list),
+ .cra_u = { .digest = {
+ .dia_digestsize = SHA512_DIGEST_SIZE,
+ .dia_init = sha512_init,
+ .dia_update = sha512_update,
+ .dia_final = sha512_final }
+ }
};

static struct crypto_alg sha384 = {
- .cra_name = "sha384",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = SHA384_HMAC_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct sha512_ctx),
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(sha384.cra_list),
- .cra_u = { .digest = {
- .dia_digestsize = SHA384_DIGEST_SIZE,
- .dia_init = sha384_init,
- .dia_update = sha512_update,
- .dia_final = sha384_final }
- }
+ .cra_name = "sha384",
+ .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
+ .cra_blocksize = SHA384_HMAC_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sha512_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_list = LIST_HEAD_INIT(sha384.cra_list),
+ .cra_u = { .digest = {
+ .dia_digestsize = SHA384_DIGEST_SIZE,
+ .dia_init = sha384_init,
+ .dia_update = sha512_update,
+ .dia_final = sha384_final }
+ }
};

MODULE_ALIAS("sha384");

static int __init init(void)
{
- int ret = 0;
+ int ret = 0;

- if ((ret = crypto_register_alg(&sha384)) < 0)
- goto out;
- if ((ret = crypto_register_alg(&sha512)) < 0)
- crypto_unregister_alg(&sha384);
+ if ((ret = crypto_register_alg(&sha384)) < 0)
+ goto out;
+ if ((ret = crypto_register_alg(&sha512)) < 0)
+ crypto_unregister_alg(&sha384);
out:
- return ret;
+ return ret;
}

static void __exit fini(void)
{
- crypto_unregister_alg(&sha384);
- crypto_unregister_alg(&sha512);
+ crypto_unregister_alg(&sha384);
+ crypto_unregister_alg(&sha512);
}

module_init(init);