X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fmd4.h;h=80e8f9a2accaf59c63969d85f6d2be08602207d7;hp=af7af073b24eddf863000608f0ac091b34b352af;hb=561ca44f6fd1eb282cb5998dd5ecf8a8aa34f77a;hpb=e7c8edc213283d5d32bdfdb7c1dee77b39636ed5 diff --git a/pppd/md4.h b/pppd/md4.h index af7af07..80e8f9a 100644 --- a/pppd/md4.h +++ b/pppd/md4.h @@ -8,44 +8,56 @@ ** ******************************************************************** */ +#ifndef __P +# if defined(__STDC__) || defined(__GNUC__) +# define __P(x) x +# else +# define __P(x) () +# endif +#endif + + /* MDstruct is the data structure for a message digest computation. */ typedef struct { -unsigned int buffer[4]; /* Holds 4-word result of MD computation */ -unsigned char count[8]; /* Number of bits processed so far */ -unsigned int done; /* Nonzero means MD computation finished */ -} MDstruct, *MDptr; - -/* MDbegin(MD) -** Input: MD -- an MDptr -** Initialize the MDstruct prepatory to doing a message digest + unsigned int buffer[4]; /* Holds 4-word result of MD computation */ + unsigned char count[8]; /* Number of bits processed so far */ + unsigned int done; /* Nonzero means MD computation finished */ +} MD4_CTX; + +/* MD4Init(MD4_CTX *) +** Initialize the MD4_CTX prepatory to doing a message digest ** computation. */ -extern void MDbegin(); +extern void MD4Init __P((MD4_CTX *MD)); -/* MDupdate(MD,X,count) -** Input: MD -- an MDptr -** X -- a pointer to an array of unsigned characters. +/* MD4Update(MD,X,count) +** Input: X -- a pointer to an array of unsigned characters. ** count -- the number of bits of X to use (an unsigned int). ** Updates MD using the first "count" bits of X. ** The array pointed to by X is not modified. -** If count is not a multiple of 8, MDupdate uses high bits of +** If count is not a multiple of 8, MD4Update uses high bits of ** last byte. ** This is the basic input routine for a user. ** The routine terminates the MD computation when count < 512, so -** every MD computation should end with one call to MDupdate with a +** every MD computation should end with one call to MD4Update with a ** count less than 512. Zero is OK for a count. */ -extern void MDupdate(); +extern void MD4Update __P((MD4_CTX *MD, unsigned char *X, unsigned int count)); -/* MDprint(MD) -** Input: MD -- an MDptr +/* MD4Print(MD) ** Prints message digest buffer MD as 32 hexadecimal digits. ** Order is from low-order byte of buffer[0] to high-order byte ** of buffer[3]. ** Each byte is printed with high-order hexadecimal digit first. */ -extern void MDprint(); +extern void MD4Print __P((MD4_CTX *)); + +/* MD4Final(buf, MD) +** Returns message digest from MD and terminates the message +** digest computation. +*/ +extern void MD4Final __P((unsigned char *, MD4_CTX *)); /* ** End of md4.h