documentation and/or software.
*/
-#include <vppinfra/string.h> /* for memset */
+#include <vppinfra/string.h> /* for memset */
#include <vppinfra/byte_order.h>
#include <vppinfra/md5.h>
#undef _
/* MD5 basic transformation. Transforms state based on block. */
-static void md5_transform (md5_context_t * m,
- u32 * data,
- u32 * result,
- int zero_buffer)
+static void
+md5_transform (md5_context_t * m, u32 * data, u32 * result, int zero_buffer)
{
u32 a = m->state[0], b = m->state[1], c = m->state[2], d = m->state[3];
- u32 * x = data;
+ u32 *x = data;
/* Constants for MD5Transform routine. */
#define S11 7
#define S44 21
/* Round 1 */
- FF (a, b, c, d, clib_host_to_little_u32 (x[ 0]), S11, 0xd76aa478); /* 1 */
- FF (d, a, b, c, clib_host_to_little_u32 (x[ 1]), S12, 0xe8c7b756); /* 2 */
- FF (c, d, a, b, clib_host_to_little_u32 (x[ 2]), S13, 0x242070db); /* 3 */
- FF (b, c, d, a, clib_host_to_little_u32 (x[ 3]), S14, 0xc1bdceee); /* 4 */
- FF (a, b, c, d, clib_host_to_little_u32 (x[ 4]), S11, 0xf57c0faf); /* 5 */
- FF (d, a, b, c, clib_host_to_little_u32 (x[ 5]), S12, 0x4787c62a); /* 6 */
- FF (c, d, a, b, clib_host_to_little_u32 (x[ 6]), S13, 0xa8304613); /* 7 */
- FF (b, c, d, a, clib_host_to_little_u32 (x[ 7]), S14, 0xfd469501); /* 8 */
- FF (a, b, c, d, clib_host_to_little_u32 (x[ 8]), S11, 0x698098d8); /* 9 */
- FF (d, a, b, c, clib_host_to_little_u32 (x[ 9]), S12, 0x8b44f7af); /* 10 */
- FF (c, d, a, b, clib_host_to_little_u32 (x[10]), S13, 0xffff5bb1); /* 11 */
- FF (b, c, d, a, clib_host_to_little_u32 (x[11]), S14, 0x895cd7be); /* 12 */
- FF (a, b, c, d, clib_host_to_little_u32 (x[12]), S11, 0x6b901122); /* 13 */
- FF (d, a, b, c, clib_host_to_little_u32 (x[13]), S12, 0xfd987193); /* 14 */
- FF (c, d, a, b, clib_host_to_little_u32 (x[14]), S13, 0xa679438e); /* 15 */
- FF (b, c, d, a, clib_host_to_little_u32 (x[15]), S14, 0x49b40821); /* 16 */
+ FF (a, b, c, d, clib_host_to_little_u32 (x[0]), S11, 0xd76aa478); /* 1 */
+ FF (d, a, b, c, clib_host_to_little_u32 (x[1]), S12, 0xe8c7b756); /* 2 */
+ FF (c, d, a, b, clib_host_to_little_u32 (x[2]), S13, 0x242070db); /* 3 */
+ FF (b, c, d, a, clib_host_to_little_u32 (x[3]), S14, 0xc1bdceee); /* 4 */
+ FF (a, b, c, d, clib_host_to_little_u32 (x[4]), S11, 0xf57c0faf); /* 5 */
+ FF (d, a, b, c, clib_host_to_little_u32 (x[5]), S12, 0x4787c62a); /* 6 */
+ FF (c, d, a, b, clib_host_to_little_u32 (x[6]), S13, 0xa8304613); /* 7 */
+ FF (b, c, d, a, clib_host_to_little_u32 (x[7]), S14, 0xfd469501); /* 8 */
+ FF (a, b, c, d, clib_host_to_little_u32 (x[8]), S11, 0x698098d8); /* 9 */
+ FF (d, a, b, c, clib_host_to_little_u32 (x[9]), S12, 0x8b44f7af); /* 10 */
+ FF (c, d, a, b, clib_host_to_little_u32 (x[10]), S13, 0xffff5bb1); /* 11 */
+ FF (b, c, d, a, clib_host_to_little_u32 (x[11]), S14, 0x895cd7be); /* 12 */
+ FF (a, b, c, d, clib_host_to_little_u32 (x[12]), S11, 0x6b901122); /* 13 */
+ FF (d, a, b, c, clib_host_to_little_u32 (x[13]), S12, 0xfd987193); /* 14 */
+ FF (c, d, a, b, clib_host_to_little_u32 (x[14]), S13, 0xa679438e); /* 15 */
+ FF (b, c, d, a, clib_host_to_little_u32 (x[15]), S14, 0x49b40821); /* 16 */
/* Round 2 */
- GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
- GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
- GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
- GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
- GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
- GG (d, a, b, c, x[10], S22, 0x02441453); /* 22 */
- GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
- GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
- GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
- GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
- GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
- GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
- GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
- GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
- GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
- GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
+ GG (a, b, c, d, x[1], S21, 0xf61e2562); /* 17 */
+ GG (d, a, b, c, x[6], S22, 0xc040b340); /* 18 */
+ GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
+ GG (b, c, d, a, x[0], S24, 0xe9b6c7aa); /* 20 */
+ GG (a, b, c, d, x[5], S21, 0xd62f105d); /* 21 */
+ GG (d, a, b, c, x[10], S22, 0x02441453); /* 22 */
+ GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
+ GG (b, c, d, a, x[4], S24, 0xe7d3fbc8); /* 24 */
+ GG (a, b, c, d, x[9], S21, 0x21e1cde6); /* 25 */
+ GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
+ GG (c, d, a, b, x[3], S23, 0xf4d50d87); /* 27 */
+ GG (b, c, d, a, x[8], S24, 0x455a14ed); /* 28 */
+ GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
+ GG (d, a, b, c, x[2], S22, 0xfcefa3f8); /* 30 */
+ GG (c, d, a, b, x[7], S23, 0x676f02d9); /* 31 */
+ GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
/* Round 3 */
- HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
- HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
- HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
- HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
- HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
- HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
- HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
- HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
- HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
- HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
- HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
- HH (b, c, d, a, x[ 6], S34, 0x04881d05); /* 44 */
- HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
- HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
- HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
- HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
+ HH (a, b, c, d, x[5], S31, 0xfffa3942); /* 33 */
+ HH (d, a, b, c, x[8], S32, 0x8771f681); /* 34 */
+ HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
+ HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
+ HH (a, b, c, d, x[1], S31, 0xa4beea44); /* 37 */
+ HH (d, a, b, c, x[4], S32, 0x4bdecfa9); /* 38 */
+ HH (c, d, a, b, x[7], S33, 0xf6bb4b60); /* 39 */
+ HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
+ HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
+ HH (d, a, b, c, x[0], S32, 0xeaa127fa); /* 42 */
+ HH (c, d, a, b, x[3], S33, 0xd4ef3085); /* 43 */
+ HH (b, c, d, a, x[6], S34, 0x04881d05); /* 44 */
+ HH (a, b, c, d, x[9], S31, 0xd9d4d039); /* 45 */
+ HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
+ HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
+ HH (b, c, d, a, x[2], S34, 0xc4ac5665); /* 48 */
/* Round 4 */
- II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
- II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
- II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
- II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
- II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
- II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
- II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
- II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
- II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
- II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
- II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
- II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
- II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
- II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
- II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
- II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
+ II (a, b, c, d, x[0], S41, 0xf4292244); /* 49 */
+ II (d, a, b, c, x[7], S42, 0x432aff97); /* 50 */
+ II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
+ II (b, c, d, a, x[5], S44, 0xfc93a039); /* 52 */
+ II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
+ II (d, a, b, c, x[3], S42, 0x8f0ccc92); /* 54 */
+ II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
+ II (b, c, d, a, x[1], S44, 0x85845dd1); /* 56 */
+ II (a, b, c, d, x[8], S41, 0x6fa87e4f); /* 57 */
+ II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
+ II (c, d, a, b, x[6], S43, 0xa3014314); /* 59 */
+ II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
+ II (a, b, c, d, x[4], S41, 0xf7537e82); /* 61 */
+ II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
+ II (c, d, a, b, x[2], S43, 0x2ad7d2bb); /* 63 */
+ II (b, c, d, a, x[9], S44, 0xeb86d391); /* 64 */
a += m->state[0];
b += m->state[1];
}
/* MD5 initialization. Begins an MD5 operation, writing a new context. */
-void md5_init (md5_context_t * c)
+void
+md5_init (md5_context_t * c)
{
memset (c, 0, sizeof (c[0]));
c->state[3] = 0x10325476;
}
-always_inline void __attribute__((unused))
-md5_fill_buffer_aligned (md5_context_t * c,
- u32 * d32)
+always_inline void __attribute__ ((unused))
+md5_fill_buffer_aligned (md5_context_t * c, u32 * d32)
{
int i;
for (i = 0; i < ARRAY_LEN (c->input_buffer.b32); i++)
operation, processing another message block, and updating the
context.
*/
-void md5_add (md5_context_t * c, void * data, int data_bytes)
+void
+md5_add (md5_context_t * c, void *data, int data_bytes)
{
u32 data_bytes_left;
- void * d;
+ void *d;
if (data_bytes == 0)
return;
{
int is_last_iteration;
/* Fast aligned version. */
- do {
- data_bytes_left -= sizeof (c->input_buffer);
- is_last_iteration = data_bytes_left < sizeof (c->input_buffer);
- md5_transform (c, d, /* result */ 0, /* zero_buffer */ is_last_iteration);
- d += sizeof (c->input_buffer);
- } while (! is_last_iteration);
+ do
+ {
+ data_bytes_left -= sizeof (c->input_buffer);
+ is_last_iteration = data_bytes_left < sizeof (c->input_buffer);
+ md5_transform (c, d, /* result */ 0, /* zero_buffer */
+ is_last_iteration);
+ d += sizeof (c->input_buffer);
+ }
+ while (!is_last_iteration);
}
/* Slow unaligned version. */
{
int bi;
- u8 * d8 = d;
+ u8 *d8 = d;
bi = (c->n_bits / BITS (u8)) % ARRAY_LEN (c->input_buffer.b8);
c->n_bits += data_bytes * BITS (u8);
}
-void md5_finish (md5_context_t * c, u8 * digest)
+void
+md5_finish (md5_context_t * c, u8 * digest)
{
u64 n_bits_save;
int bi, n_pad;
c->input_buffer.b64[ARRAY_LEN (c->input_buffer.b64) - 1]
= clib_host_to_little_u64 (n_bits_save);
- md5_transform (c, c->input_buffer.b32,
- (u32 *) digest,
+ md5_transform (c, c->input_buffer.b32, (u32 *) digest,
/* zero_buffer */ 1);
}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff