AmpereMeter - Example self-announcing webserver which controls …

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Dirk-Willem van Gulik (NXP/mbed) / Mbed 2 deprecated AmpereMeter

Example self-announcing webserver which controls a servo through a smallHTML userinterface.

lwip/netif/ppp/md5.c@0:a259777c45a3, 2010-08-14 (annotated)

Committer:: dirkx
Date:: Sat Aug 14 15:56:01 2010 +0000
Revision:: 0:a259777c45a3

Who changed what in which revision?

User	Revision	Line number	New contents of line
dirkx	0:a259777c45a3	1	/*
dirkx	0:a259777c45a3	2	***********************************************************************
dirkx	0:a259777c45a3	3	md5.c -- the source code for MD5 routines
dirkx	0:a259777c45a3	4	RSA Data Security, Inc. MD5 Message-Digest Algorithm
dirkx	0:a259777c45a3	5	Created: 2/17/90 RLR
dirkx	0:a259777c45a3	6	Revised: 1/91 SRD,AJ,BSK,JT Reference C ver., 7/10 constant corr.
dirkx	0:a259777c45a3	7	***********************************************************************
dirkx	0:a259777c45a3	8	*/
dirkx	0:a259777c45a3	9
dirkx	0:a259777c45a3	10	/*
dirkx	0:a259777c45a3	11	***********************************************************************
dirkx	0:a259777c45a3	12	Copyright (C) 1990, RSA Data Security, Inc. All rights reserved.
dirkx	0:a259777c45a3	13
dirkx	0:a259777c45a3	14	License to copy and use this software is granted provided that
dirkx	0:a259777c45a3	15	it is identified as the "RSA Data Security, Inc. MD5 Message-
dirkx	0:a259777c45a3	16	Digest Algorithm" in all material mentioning or referencing this
dirkx	0:a259777c45a3	17	software or this function.
dirkx	0:a259777c45a3	18
dirkx	0:a259777c45a3	19	License is also granted to make and use derivative works
dirkx	0:a259777c45a3	20	provided that such works are identified as "derived from the RSA
dirkx	0:a259777c45a3	21	Data Security, Inc. MD5 Message-Digest Algorithm" in all
dirkx	0:a259777c45a3	22	material mentioning or referencing the derived work.
dirkx	0:a259777c45a3	23
dirkx	0:a259777c45a3	24	RSA Data Security, Inc. makes no representations concerning
dirkx	0:a259777c45a3	25	either the merchantability of this software or the suitability
dirkx	0:a259777c45a3	26	of this software for any particular purpose. It is provided "as
dirkx	0:a259777c45a3	27	is" without express or implied warranty of any kind.
dirkx	0:a259777c45a3	28
dirkx	0:a259777c45a3	29	These notices must be retained in any copies of any part of this
dirkx	0:a259777c45a3	30	documentation and/or software.
dirkx	0:a259777c45a3	31	***********************************************************************
dirkx	0:a259777c45a3	32	*/
dirkx	0:a259777c45a3	33
dirkx	0:a259777c45a3	34	#include "lwip/opt.h"
dirkx	0:a259777c45a3	35
dirkx	0:a259777c45a3	36	#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
dirkx	0:a259777c45a3	37
dirkx	0:a259777c45a3	38	#if CHAP_SUPPORT \|\| MD5_SUPPORT
dirkx	0:a259777c45a3	39
dirkx	0:a259777c45a3	40	#include "ppp.h"
dirkx	0:a259777c45a3	41	#include "pppdebug.h"
dirkx	0:a259777c45a3	42
dirkx	0:a259777c45a3	43	#include "md5.h"
dirkx	0:a259777c45a3	44
dirkx	0:a259777c45a3	45	#include <string.h>
dirkx	0:a259777c45a3	46
dirkx	0:a259777c45a3	47	/*
dirkx	0:a259777c45a3	48	***********************************************************************
dirkx	0:a259777c45a3	49	Message-digest routines:
dirkx	0:a259777c45a3	50	To form the message digest for a message M
dirkx	0:a259777c45a3	51	(1) Initialize a context buffer mdContext using MD5Init
dirkx	0:a259777c45a3	52	(2) Call MD5Update on mdContext and M
dirkx	0:a259777c45a3	53	(3) Call MD5Final on mdContext
dirkx	0:a259777c45a3	54	The message digest is now in mdContext->digest[0...15]
dirkx	0:a259777c45a3	55	***********************************************************************
dirkx	0:a259777c45a3	56	*/
dirkx	0:a259777c45a3	57
dirkx	0:a259777c45a3	58	/* forward declaration */
dirkx	0:a259777c45a3	59	static void Transform (u32_t buf, u32_t in);
dirkx	0:a259777c45a3	60
dirkx	0:a259777c45a3	61	static unsigned char PADDING[64] = {
dirkx	0:a259777c45a3	62	0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dirkx	0:a259777c45a3	63	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dirkx	0:a259777c45a3	64	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dirkx	0:a259777c45a3	65	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dirkx	0:a259777c45a3	66	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dirkx	0:a259777c45a3	67	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dirkx	0:a259777c45a3	68	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
dirkx	0:a259777c45a3	69	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
dirkx	0:a259777c45a3	70	};
dirkx	0:a259777c45a3	71
dirkx	0:a259777c45a3	72	/* F, G, H and I are basic MD5 functions */
dirkx	0:a259777c45a3	73	#define F(x, y, z) (((x) & (y)) \| ((~x) & (z)))
dirkx	0:a259777c45a3	74	#define G(x, y, z) (((x) & (z)) \| ((y) & (~z)))
dirkx	0:a259777c45a3	75	#define H(x, y, z) ((x) ^ (y) ^ (z))
dirkx	0:a259777c45a3	76	#define I(x, y, z) ((y) ^ ((x) \| (~z)))
dirkx	0:a259777c45a3	77
dirkx	0:a259777c45a3	78	/* ROTATE_LEFT rotates x left n bits */
dirkx	0:a259777c45a3	79	#define ROTATE_LEFT(x, n) (((x) << (n)) \| ((x) >> (32-(n))))
dirkx	0:a259777c45a3	80
dirkx	0:a259777c45a3	81	/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
dirkx	0:a259777c45a3	82	/* Rotation is separate from addition to prevent recomputation */
dirkx	0:a259777c45a3	83	#define FF(a, b, c, d, x, s, ac) \
dirkx	0:a259777c45a3	84	{(a) += F ((b), (c), (d)) + (x) + (u32_t)(ac); \
dirkx	0:a259777c45a3	85	(a) = ROTATE_LEFT ((a), (s)); \
dirkx	0:a259777c45a3	86	(a) += (b); \
dirkx	0:a259777c45a3	87	}
dirkx	0:a259777c45a3	88	#define GG(a, b, c, d, x, s, ac) \
dirkx	0:a259777c45a3	89	{(a) += G ((b), (c), (d)) + (x) + (u32_t)(ac); \
dirkx	0:a259777c45a3	90	(a) = ROTATE_LEFT ((a), (s)); \
dirkx	0:a259777c45a3	91	(a) += (b); \
dirkx	0:a259777c45a3	92	}
dirkx	0:a259777c45a3	93	#define HH(a, b, c, d, x, s, ac) \
dirkx	0:a259777c45a3	94	{(a) += H ((b), (c), (d)) + (x) + (u32_t)(ac); \
dirkx	0:a259777c45a3	95	(a) = ROTATE_LEFT ((a), (s)); \
dirkx	0:a259777c45a3	96	(a) += (b); \
dirkx	0:a259777c45a3	97	}
dirkx	0:a259777c45a3	98	#define II(a, b, c, d, x, s, ac) \
dirkx	0:a259777c45a3	99	{(a) += I ((b), (c), (d)) + (x) + (u32_t)(ac); \
dirkx	0:a259777c45a3	100	(a) = ROTATE_LEFT ((a), (s)); \
dirkx	0:a259777c45a3	101	(a) += (b); \
dirkx	0:a259777c45a3	102	}
dirkx	0:a259777c45a3	103
dirkx	0:a259777c45a3	104	#ifdef __STDC__
dirkx	0:a259777c45a3	105	#define UL(x) x##UL
dirkx	0:a259777c45a3	106	#else
dirkx	0:a259777c45a3	107	#ifdef WIN32
dirkx	0:a259777c45a3	108	#define UL(x) x##UL
dirkx	0:a259777c45a3	109	#else
dirkx	0:a259777c45a3	110	#define UL(x) x
dirkx	0:a259777c45a3	111	#endif
dirkx	0:a259777c45a3	112	#endif
dirkx	0:a259777c45a3	113
dirkx	0:a259777c45a3	114	/* The routine MD5Init initializes the message-digest context
dirkx	0:a259777c45a3	115	mdContext. All fields are set to zero.
dirkx	0:a259777c45a3	116	*/
dirkx	0:a259777c45a3	117	void
dirkx	0:a259777c45a3	118	MD5Init (MD5_CTX *mdContext)
dirkx	0:a259777c45a3	119	{
dirkx	0:a259777c45a3	120	mdContext->i[0] = mdContext->i[1] = (u32_t)0;
dirkx	0:a259777c45a3	121
dirkx	0:a259777c45a3	122	/* Load magic initialization constants. */
dirkx	0:a259777c45a3	123	mdContext->buf[0] = (u32_t)0x67452301UL;
dirkx	0:a259777c45a3	124	mdContext->buf[1] = (u32_t)0xefcdab89UL;
dirkx	0:a259777c45a3	125	mdContext->buf[2] = (u32_t)0x98badcfeUL;
dirkx	0:a259777c45a3	126	mdContext->buf[3] = (u32_t)0x10325476UL;
dirkx	0:a259777c45a3	127	}
dirkx	0:a259777c45a3	128
dirkx	0:a259777c45a3	129	/* The routine MD5Update updates the message-digest context to
dirkx	0:a259777c45a3	130	account for the presence of each of the characters inBuf[0..inLen-1]
dirkx	0:a259777c45a3	131	in the message whose digest is being computed.
dirkx	0:a259777c45a3	132	*/
dirkx	0:a259777c45a3	133	void
dirkx	0:a259777c45a3	134	MD5Update(MD5_CTX mdContext, unsigned char inBuf, unsigned int inLen)
dirkx	0:a259777c45a3	135	{
dirkx	0:a259777c45a3	136	u32_t in[16];
dirkx	0:a259777c45a3	137	int mdi;
dirkx	0:a259777c45a3	138	unsigned int i, ii;
dirkx	0:a259777c45a3	139
dirkx	0:a259777c45a3	140	#if 0
dirkx	0:a259777c45a3	141	PPPDEBUGLOG_INFO, ("MD5Update: %u:%.H\n", inLen, MIN(inLen, 20) 2, inBuf);
dirkx	0:a259777c45a3	142	PPPDEBUGLOG_INFO, ("MD5Update: %u:%s\n", inLen, inBuf);
dirkx	0:a259777c45a3	143	#endif
dirkx	0:a259777c45a3	144
dirkx	0:a259777c45a3	145	/* compute number of bytes mod 64 */
dirkx	0:a259777c45a3	146	mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
dirkx	0:a259777c45a3	147
dirkx	0:a259777c45a3	148	/* update number of bits */
dirkx	0:a259777c45a3	149	if ((mdContext->i[0] + ((u32_t)inLen << 3)) < mdContext->i[0]) {
dirkx	0:a259777c45a3	150	mdContext->i[1]++;
dirkx	0:a259777c45a3	151	}
dirkx	0:a259777c45a3	152	mdContext->i[0] += ((u32_t)inLen << 3);
dirkx	0:a259777c45a3	153	mdContext->i[1] += ((u32_t)inLen >> 29);
dirkx	0:a259777c45a3	154
dirkx	0:a259777c45a3	155	while (inLen--) {
dirkx	0:a259777c45a3	156	/* add new character to buffer, increment mdi */
dirkx	0:a259777c45a3	157	mdContext->in[mdi++] = *inBuf++;
dirkx	0:a259777c45a3	158
dirkx	0:a259777c45a3	159	/* transform if necessary */
dirkx	0:a259777c45a3	160	if (mdi == 0x40) {
dirkx	0:a259777c45a3	161	for (i = 0, ii = 0; i < 16; i++, ii += 4) {
dirkx	0:a259777c45a3	162	in[i] = (((u32_t)mdContext->in[ii+3]) << 24) \|
dirkx	0:a259777c45a3	163	(((u32_t)mdContext->in[ii+2]) << 16) \|
dirkx	0:a259777c45a3	164	(((u32_t)mdContext->in[ii+1]) << 8) \|
dirkx	0:a259777c45a3	165	((u32_t)mdContext->in[ii]);
dirkx	0:a259777c45a3	166	}
dirkx	0:a259777c45a3	167	Transform (mdContext->buf, in);
dirkx	0:a259777c45a3	168	mdi = 0;
dirkx	0:a259777c45a3	169	}
dirkx	0:a259777c45a3	170	}
dirkx	0:a259777c45a3	171	}
dirkx	0:a259777c45a3	172
dirkx	0:a259777c45a3	173	/* The routine MD5Final terminates the message-digest computation and
dirkx	0:a259777c45a3	174	ends with the desired message digest in mdContext->digest[0...15].
dirkx	0:a259777c45a3	175	*/
dirkx	0:a259777c45a3	176	void
dirkx	0:a259777c45a3	177	MD5Final (unsigned char hash[], MD5_CTX *mdContext)
dirkx	0:a259777c45a3	178	{
dirkx	0:a259777c45a3	179	u32_t in[16];
dirkx	0:a259777c45a3	180	int mdi;
dirkx	0:a259777c45a3	181	unsigned int i, ii;
dirkx	0:a259777c45a3	182	unsigned int padLen;
dirkx	0:a259777c45a3	183
dirkx	0:a259777c45a3	184	/* save number of bits */
dirkx	0:a259777c45a3	185	in[14] = mdContext->i[0];
dirkx	0:a259777c45a3	186	in[15] = mdContext->i[1];
dirkx	0:a259777c45a3	187
dirkx	0:a259777c45a3	188	/* compute number of bytes mod 64 */
dirkx	0:a259777c45a3	189	mdi = (int)((mdContext->i[0] >> 3) & 0x3F);
dirkx	0:a259777c45a3	190
dirkx	0:a259777c45a3	191	/* pad out to 56 mod 64 */
dirkx	0:a259777c45a3	192	padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi);
dirkx	0:a259777c45a3	193	MD5Update (mdContext, PADDING, padLen);
dirkx	0:a259777c45a3	194
dirkx	0:a259777c45a3	195	/* append length in bits and transform */
dirkx	0:a259777c45a3	196	for (i = 0, ii = 0; i < 14; i++, ii += 4) {
dirkx	0:a259777c45a3	197	in[i] = (((u32_t)mdContext->in[ii+3]) << 24) \|
dirkx	0:a259777c45a3	198	(((u32_t)mdContext->in[ii+2]) << 16) \|
dirkx	0:a259777c45a3	199	(((u32_t)mdContext->in[ii+1]) << 8) \|
dirkx	0:a259777c45a3	200	((u32_t)mdContext->in[ii]);
dirkx	0:a259777c45a3	201	}
dirkx	0:a259777c45a3	202	Transform (mdContext->buf, in);
dirkx	0:a259777c45a3	203
dirkx	0:a259777c45a3	204	/* store buffer in digest */
dirkx	0:a259777c45a3	205	for (i = 0, ii = 0; i < 4; i++, ii += 4) {
dirkx	0:a259777c45a3	206	mdContext->digest[ii] = (unsigned char)(mdContext->buf[i] & 0xFF);
dirkx	0:a259777c45a3	207	mdContext->digest[ii+1] =
dirkx	0:a259777c45a3	208	(unsigned char)((mdContext->buf[i] >> 8) & 0xFF);
dirkx	0:a259777c45a3	209	mdContext->digest[ii+2] =
dirkx	0:a259777c45a3	210	(unsigned char)((mdContext->buf[i] >> 16) & 0xFF);
dirkx	0:a259777c45a3	211	mdContext->digest[ii+3] =
dirkx	0:a259777c45a3	212	(unsigned char)((mdContext->buf[i] >> 24) & 0xFF);
dirkx	0:a259777c45a3	213	}
dirkx	0:a259777c45a3	214	SMEMCPY(hash, mdContext->digest, 16);
dirkx	0:a259777c45a3	215	}
dirkx	0:a259777c45a3	216
dirkx	0:a259777c45a3	217	/* Basic MD5 step. Transforms buf based on in.
dirkx	0:a259777c45a3	218	*/
dirkx	0:a259777c45a3	219	static void
dirkx	0:a259777c45a3	220	Transform (u32_t buf, u32_t in)
dirkx	0:a259777c45a3	221	{
dirkx	0:a259777c45a3	222	u32_t a = buf[0], b = buf[1], c = buf[2], d = buf[3];
dirkx	0:a259777c45a3	223
dirkx	0:a259777c45a3	224	/* Round 1 */
dirkx	0:a259777c45a3	225	#define S11 7
dirkx	0:a259777c45a3	226	#define S12 12
dirkx	0:a259777c45a3	227	#define S13 17
dirkx	0:a259777c45a3	228	#define S14 22
dirkx	0:a259777c45a3	229	FF ( a, b, c, d, in[ 0], S11, UL(3614090360)); /* 1 */
dirkx	0:a259777c45a3	230	FF ( d, a, b, c, in[ 1], S12, UL(3905402710)); /* 2 */
dirkx	0:a259777c45a3	231	FF ( c, d, a, b, in[ 2], S13, UL( 606105819)); /* 3 */
dirkx	0:a259777c45a3	232	FF ( b, c, d, a, in[ 3], S14, UL(3250441966)); /* 4 */
dirkx	0:a259777c45a3	233	FF ( a, b, c, d, in[ 4], S11, UL(4118548399)); /* 5 */
dirkx	0:a259777c45a3	234	FF ( d, a, b, c, in[ 5], S12, UL(1200080426)); /* 6 */
dirkx	0:a259777c45a3	235	FF ( c, d, a, b, in[ 6], S13, UL(2821735955)); /* 7 */
dirkx	0:a259777c45a3	236	FF ( b, c, d, a, in[ 7], S14, UL(4249261313)); /* 8 */
dirkx	0:a259777c45a3	237	FF ( a, b, c, d, in[ 8], S11, UL(1770035416)); /* 9 */
dirkx	0:a259777c45a3	238	FF ( d, a, b, c, in[ 9], S12, UL(2336552879)); /* 10 */
dirkx	0:a259777c45a3	239	FF ( c, d, a, b, in[10], S13, UL(4294925233)); /* 11 */
dirkx	0:a259777c45a3	240	FF ( b, c, d, a, in[11], S14, UL(2304563134)); /* 12 */
dirkx	0:a259777c45a3	241	FF ( a, b, c, d, in[12], S11, UL(1804603682)); /* 13 */
dirkx	0:a259777c45a3	242	FF ( d, a, b, c, in[13], S12, UL(4254626195)); /* 14 */
dirkx	0:a259777c45a3	243	FF ( c, d, a, b, in[14], S13, UL(2792965006)); /* 15 */
dirkx	0:a259777c45a3	244	FF ( b, c, d, a, in[15], S14, UL(1236535329)); /* 16 */
dirkx	0:a259777c45a3	245
dirkx	0:a259777c45a3	246	/* Round 2 */
dirkx	0:a259777c45a3	247	#define S21 5
dirkx	0:a259777c45a3	248	#define S22 9
dirkx	0:a259777c45a3	249	#define S23 14
dirkx	0:a259777c45a3	250	#define S24 20
dirkx	0:a259777c45a3	251	GG ( a, b, c, d, in[ 1], S21, UL(4129170786)); /* 17 */
dirkx	0:a259777c45a3	252	GG ( d, a, b, c, in[ 6], S22, UL(3225465664)); /* 18 */
dirkx	0:a259777c45a3	253	GG ( c, d, a, b, in[11], S23, UL( 643717713)); /* 19 */
dirkx	0:a259777c45a3	254	GG ( b, c, d, a, in[ 0], S24, UL(3921069994)); /* 20 */
dirkx	0:a259777c45a3	255	GG ( a, b, c, d, in[ 5], S21, UL(3593408605)); /* 21 */
dirkx	0:a259777c45a3	256	GG ( d, a, b, c, in[10], S22, UL( 38016083)); /* 22 */
dirkx	0:a259777c45a3	257	GG ( c, d, a, b, in[15], S23, UL(3634488961)); /* 23 */
dirkx	0:a259777c45a3	258	GG ( b, c, d, a, in[ 4], S24, UL(3889429448)); /* 24 */
dirkx	0:a259777c45a3	259	GG ( a, b, c, d, in[ 9], S21, UL( 568446438)); /* 25 */
dirkx	0:a259777c45a3	260	GG ( d, a, b, c, in[14], S22, UL(3275163606)); /* 26 */
dirkx	0:a259777c45a3	261	GG ( c, d, a, b, in[ 3], S23, UL(4107603335)); /* 27 */
dirkx	0:a259777c45a3	262	GG ( b, c, d, a, in[ 8], S24, UL(1163531501)); /* 28 */
dirkx	0:a259777c45a3	263	GG ( a, b, c, d, in[13], S21, UL(2850285829)); /* 29 */
dirkx	0:a259777c45a3	264	GG ( d, a, b, c, in[ 2], S22, UL(4243563512)); /* 30 */
dirkx	0:a259777c45a3	265	GG ( c, d, a, b, in[ 7], S23, UL(1735328473)); /* 31 */
dirkx	0:a259777c45a3	266	GG ( b, c, d, a, in[12], S24, UL(2368359562)); /* 32 */
dirkx	0:a259777c45a3	267
dirkx	0:a259777c45a3	268	/* Round 3 */
dirkx	0:a259777c45a3	269	#define S31 4
dirkx	0:a259777c45a3	270	#define S32 11
dirkx	0:a259777c45a3	271	#define S33 16
dirkx	0:a259777c45a3	272	#define S34 23
dirkx	0:a259777c45a3	273	HH ( a, b, c, d, in[ 5], S31, UL(4294588738)); /* 33 */
dirkx	0:a259777c45a3	274	HH ( d, a, b, c, in[ 8], S32, UL(2272392833)); /* 34 */
dirkx	0:a259777c45a3	275	HH ( c, d, a, b, in[11], S33, UL(1839030562)); /* 35 */
dirkx	0:a259777c45a3	276	HH ( b, c, d, a, in[14], S34, UL(4259657740)); /* 36 */
dirkx	0:a259777c45a3	277	HH ( a, b, c, d, in[ 1], S31, UL(2763975236)); /* 37 */
dirkx	0:a259777c45a3	278	HH ( d, a, b, c, in[ 4], S32, UL(1272893353)); /* 38 */
dirkx	0:a259777c45a3	279	HH ( c, d, a, b, in[ 7], S33, UL(4139469664)); /* 39 */
dirkx	0:a259777c45a3	280	HH ( b, c, d, a, in[10], S34, UL(3200236656)); /* 40 */
dirkx	0:a259777c45a3	281	HH ( a, b, c, d, in[13], S31, UL( 681279174)); /* 41 */
dirkx	0:a259777c45a3	282	HH ( d, a, b, c, in[ 0], S32, UL(3936430074)); /* 42 */
dirkx	0:a259777c45a3	283	HH ( c, d, a, b, in[ 3], S33, UL(3572445317)); /* 43 */
dirkx	0:a259777c45a3	284	HH ( b, c, d, a, in[ 6], S34, UL( 76029189)); /* 44 */
dirkx	0:a259777c45a3	285	HH ( a, b, c, d, in[ 9], S31, UL(3654602809)); /* 45 */
dirkx	0:a259777c45a3	286	HH ( d, a, b, c, in[12], S32, UL(3873151461)); /* 46 */
dirkx	0:a259777c45a3	287	HH ( c, d, a, b, in[15], S33, UL( 530742520)); /* 47 */
dirkx	0:a259777c45a3	288	HH ( b, c, d, a, in[ 2], S34, UL(3299628645)); /* 48 */
dirkx	0:a259777c45a3	289
dirkx	0:a259777c45a3	290	/* Round 4 */
dirkx	0:a259777c45a3	291	#define S41 6
dirkx	0:a259777c45a3	292	#define S42 10
dirkx	0:a259777c45a3	293	#define S43 15
dirkx	0:a259777c45a3	294	#define S44 21
dirkx	0:a259777c45a3	295	II ( a, b, c, d, in[ 0], S41, UL(4096336452)); /* 49 */
dirkx	0:a259777c45a3	296	II ( d, a, b, c, in[ 7], S42, UL(1126891415)); /* 50 */
dirkx	0:a259777c45a3	297	II ( c, d, a, b, in[14], S43, UL(2878612391)); /* 51 */
dirkx	0:a259777c45a3	298	II ( b, c, d, a, in[ 5], S44, UL(4237533241)); /* 52 */
dirkx	0:a259777c45a3	299	II ( a, b, c, d, in[12], S41, UL(1700485571)); /* 53 */
dirkx	0:a259777c45a3	300	II ( d, a, b, c, in[ 3], S42, UL(2399980690)); /* 54 */
dirkx	0:a259777c45a3	301	II ( c, d, a, b, in[10], S43, UL(4293915773)); /* 55 */
dirkx	0:a259777c45a3	302	II ( b, c, d, a, in[ 1], S44, UL(2240044497)); /* 56 */
dirkx	0:a259777c45a3	303	II ( a, b, c, d, in[ 8], S41, UL(1873313359)); /* 57 */
dirkx	0:a259777c45a3	304	II ( d, a, b, c, in[15], S42, UL(4264355552)); /* 58 */
dirkx	0:a259777c45a3	305	II ( c, d, a, b, in[ 6], S43, UL(2734768916)); /* 59 */
dirkx	0:a259777c45a3	306	II ( b, c, d, a, in[13], S44, UL(1309151649)); /* 60 */
dirkx	0:a259777c45a3	307	II ( a, b, c, d, in[ 4], S41, UL(4149444226)); /* 61 */
dirkx	0:a259777c45a3	308	II ( d, a, b, c, in[11], S42, UL(3174756917)); /* 62 */
dirkx	0:a259777c45a3	309	II ( c, d, a, b, in[ 2], S43, UL( 718787259)); /* 63 */
dirkx	0:a259777c45a3	310	II ( b, c, d, a, in[ 9], S44, UL(3951481745)); /* 64 */
dirkx	0:a259777c45a3	311
dirkx	0:a259777c45a3	312	buf[0] += a;
dirkx	0:a259777c45a3	313	buf[1] += b;
dirkx	0:a259777c45a3	314	buf[2] += c;
dirkx	0:a259777c45a3	315	buf[3] += d;
dirkx	0:a259777c45a3	316	}
dirkx	0:a259777c45a3	317
dirkx	0:a259777c45a3	318	#endif /* CHAP_SUPPORT \|\| MD5_SUPPORT */
dirkx	0:a259777c45a3	319
dirkx	0:a259777c45a3	320	#endif /* PPP_SUPPORT */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	14 Aug 2010
Imports:	49
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	2
Followers:	1

lwip/netif/ppp/md5.c@0:a259777c45a3, 2010-08-14 (annotated)

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