+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm */
-
-/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-rights reserved.
-
-License to copy and use this software is granted provided that it
-is identified as the "RSA Data Security, Inc. MD5 Message-Digest
-Algorithm" in all material mentioning or referencing this software
-or this function.
-
-License is also granted to make and use derivative works provided
-that such works are identified as "derived from the RSA Data
-Security, Inc. MD5 Message-Digest Algorithm" in all material
-mentioning or referencing the derived work.
-
-RSA Data Security, Inc. makes no representations concerning either
-the merchantability of this software or the suitability of this
-software for any particular purpose. It is provided "as is"
-without express or implied warranty of any kind.
-
-These notices must be retained in any copies of any part of this
-documentation and/or software.
- */
-
-#include <vppinfra/string.h> /* for memset */
-#include <vppinfra/byte_order.h>
-#include <vppinfra/md5.h>
-
-/* F, G, H and I are basic MD5 functions. */
-#define F(b, c, d) (d ^ (b & (c ^ d)))
-#define G(b, c, d) F (d, b, c)
-#define H(b, c, d) (b ^ c ^ d)
-#define I(b, c, d) (c ^ (b | ~d))
-
-/* ROTATE_LEFT rotates x left n bits. */
-#define ROTATE_LEFT(x,n) \
- (((x) << (n)) | ((x) >> (32 - (n))))
-
-/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
- Rotation is separate from addition to prevent recomputation. */
-#define FF(a,b,c,d,x,s,ac) \
-do { \
- a += F (b, c, d) + x + ac; \
- a = ROTATE_LEFT (a, s); \
- a += b; \
-} while (0)
-
-#define GG(a,b,c,d,x,s,ac) \
-do { \
- a += G (b, c, d) + x + ac; \
- a = ROTATE_LEFT (a, s); \
- a += b; \
-} while (0)
-
-#define HH(a,b,c,d,x,s,ac) \
-do { \
- a += H (b, c, d) + x + ac; \
- a = ROTATE_LEFT (a, s); \
- a += b; \
-} while (0)
-
-#define II(a,b,c,d,x,s,ac) \
-do { \
- a += I (b, c, d) + x + ac; \
- a = ROTATE_LEFT (a, s); \
- a += b; \
-} while (0)
-
-#undef _
-
-/* MD5 basic transformation. Transforms state based on block. */
-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;
-
-/* Constants for MD5Transform routine. */
-#define S11 7
-#define S12 12
-#define S13 17
-#define S14 22
-#define S21 5
-#define S22 9
-#define S23 14
-#define S24 20
-#define S31 4
-#define S32 11
-#define S33 16
-#define S34 23
-#define S41 6
-#define S42 10
-#define S43 15
-#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 */
-
- /* 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 */
-
- /* 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 */
-
- /* 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 */
-
- a += m->state[0];
- b += m->state[1];
- c += m->state[2];
- d += m->state[3];
-
- if (result)
- {
- result[0] = clib_host_to_little_u32 (a);
- result[1] = clib_host_to_little_u32 (b);
- result[2] = clib_host_to_little_u32 (c);
- result[3] = clib_host_to_little_u32 (d);
- }
- else
- {
- m->state[0] = a;
- m->state[1] = b;
- m->state[2] = c;
- m->state[3] = d;
- }
-
- /* Zero sensitive information. */
- if (result)
- memset (m, ~0, sizeof (m[0]));
- else if (zero_buffer)
- memset (m->input_buffer.b8, 0, sizeof (m->input_buffer));
-}
-
-/* MD5 initialization. Begins an MD5 operation, writing a new context. */
-void
-md5_init (md5_context_t * c)
-{
- memset (c, 0, sizeof (c[0]));
-
- /* Load magic initialization constants. */
- c->state[0] = 0x67452301;
- c->state[1] = 0xefcdab89;
- c->state[2] = 0x98badcfe;
- c->state[3] = 0x10325476;
-}
-
-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++)
- c->input_buffer.b32[i] = d32[i];
-}
-
-/* MD5 block update operation. Continues an MD5 message-digest
- operation, processing another message block, and updating the
- context.
- */
-void
-md5_add (md5_context_t * c, void *data, int data_bytes)
-{
- u32 data_bytes_left;
- void *d;
-
- if (data_bytes == 0)
- return;
-
- d = data;
- data_bytes_left = data_bytes;
-
- if ((pointer_to_uword (d) % sizeof (u32)) == 0
- && (c->n_bits % BITS (c->input_buffer)) == 0
- && data_bytes >= sizeof (c->input_buffer))
- {
- 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);
- }
-
- /* Slow unaligned version. */
- {
- int bi;
- u8 *d8 = d;
-
- bi = (c->n_bits / BITS (u8)) % ARRAY_LEN (c->input_buffer.b8);
-
- while (data_bytes_left > 0)
- {
- c->input_buffer.b8[bi] = d8[0];
- data_bytes_left -= 1;
- d8++;
- bi++;
- if (bi == ARRAY_LEN (c->input_buffer.b8))
- {
- bi = 0;
- md5_transform (c, c->input_buffer.b32,
- /* result */ 0,
- /* zero_buffer */ 1);
- }
- }
- }
-
- c->n_bits += data_bytes * BITS (u8);
-}
-
-void
-md5_finish (md5_context_t * c, u8 * digest)
-{
- u64 n_bits_save;
- int bi, n_pad;
- static u8 padding[sizeof (c->input_buffer)] = { 0x80, 0, };
-
- n_bits_save = c->n_bits;
- bi = (n_bits_save / BITS (u8)) % ARRAY_LEN (c->input_buffer.b8);
-
- n_pad = sizeof (c->input_buffer) - (bi + sizeof (u64));
- if (n_pad <= 0)
- n_pad += sizeof (c->input_buffer);
- md5_add (c, padding, 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,
- /* zero_buffer */ 1);
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/*
- Copyright (c) 2004 Eliot Dresselhaus
-
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
-
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#include <vppinfra/vec.h>
-#include <vppinfra/format.h>
-#include <vppinfra/error.h>
-#include <vppinfra/md5.h>
-
-#include <fcntl.h>
-#include <unistd.h>
-
-static clib_error_t *md5_test_suite (void);
-
-int
-main (int argc, char *argv[])
-{
- int i;
-
- if (argc == 1)
- {
- clib_error_t *e;
- e = md5_test_suite ();
- if (e)
- {
- clib_error_report (e);
- exit (1);
- }
- }
-
- for (i = 1; i < argc; i++)
- {
- md5_context_t m;
- u8 digest[16];
- u8 buffer[64 * 1024];
- int fd, n;
-
- fd = open (argv[i], 0);
- if (fd < 0)
- clib_unix_error ("can't open %s", argv[i]);
-
- md5_init (&m);
- while ((n = read (fd, buffer, sizeof (buffer))) > 0)
- md5_add (&m, buffer, n);
- close (fd);
- md5_finish (&m, digest);
- fformat (stdout, "%U %s\n",
- format_hex_bytes, digest, sizeof (digest), argv[i]);
- }
-
- return 0;
-}
-
-static clib_error_t *
-md5_test_suite (void)
-{
- typedef struct
- {
- char *input;
- char *output;
- } md5_test_t;
-
- static md5_test_t tests[] = {
- {.input = "",
- .output = "d41d8cd98f00b204e9800998ecf8427e",},
- {.input = "a",
- .output = "0cc175b9c0f1b6a831c399e269772661",},
- {.input = "abc",
- .output = "900150983cd24fb0d6963f7d28e17f72",},
- {.input = "message digest",
- .output = "f96b697d7cb7938d525a2f31aaf161d0",},
- {.input = "abcdefghijklmnopqrstuvwxyz",
- .output = "c3fcd3d76192e4007dfb496cca67e13b",},
- {.input =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
- .output = "d174ab98d277d9f5a5611c2c9f419d9f",},
- {.input =
- "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
- .output = "57edf4a22be3c955ac49da2e2107b67a",},
- };
-
- int i;
- u8 *s;
- md5_context_t m;
- u8 digest[16];
-
- for (i = 0; i < ARRAY_LEN (tests); i++)
- {
- md5_init (&m);
- md5_add (&m, tests[i].input, strlen (tests[i].input));
- md5_finish (&m, digest);
- s = format (0, "%U", format_hex_bytes, digest, sizeof (digest));
- if (memcmp (s, tests[i].output, 2 * sizeof (digest)))
- return clib_error_return
- (0, "%s -> %v expected %s", tests[i].input, s, tests[i].output);
- vec_free (s);
- }
-
- return 0;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / commitdiff