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mdfour.h File Reference

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Data Structures

struct  mdfour

Functions

void mdfour_begin (struct mdfour *md)
void mdfour_update (struct mdfour *md, unsigned char *in, int n)
void mdfour_result (struct mdfour *md, unsigned char *out)
void mdfour (unsigned char *out, unsigned char *in, int n)

Function Documentation

void mdfour_begin (  struct mdfour *    md ) 
 

Definition at line 105 of file mdfour.c.

References mdfour::A, mdfour::B, mdfour::C, mdfour::D, and mdfour::totalN.

Referenced by file_checksum(), file_checksum1(), get_checksum2(), mdfour(), and sum_init(). 

00106 {
00107         md->A = 0x67452301;
00108         md->B = 0xefcdab89;
00109         md->C = 0x98badcfe;
00110         md->D = 0x10325476;
00111         md->totalN = 0;
00112 }

void mdfour_update (  struct mdfour *    md,
unsigned char *    in,
int    n
) 
 

Definition at line 142 of file mdfour.c.

References copy64(), mdfour64(), mdfour_tail(), and mdfour::totalN.

Referenced by file_checksum(), file_checksum1(), get_checksum2(), mdfour(), sum_end(), and sum_update(). 

00143 {
00144         uint32 M[16];
00145 
00146         if (n == 0) mdfour_tail(in, n);
00147 
00148         m = md;
00149 
00150         while (n >= 64) {
00151                 copy64(M, in);
00152                 mdfour64(M);
00153                 in += 64;
00154                 n -= 64;
00155                 m->totalN += 64;
00156         }
00157 
00158         if (n) mdfour_tail(in, n);
00159 }

void mdfour_result (  struct mdfour *    md,
unsigned char *    out
) 
 

Definition at line 162 of file mdfour.c.

References mdfour::A, mdfour::B, mdfour::C, copy4(), and mdfour::D.

Referenced by file_checksum(), file_checksum1(), get_checksum2(), mdfour(), and sum_end(). 

00163 {
00164         m = md;
00165 
00166         copy4(out, m->A);
00167         copy4(out+4, m->B);
00168         copy4(out+8, m->C);
00169         copy4(out+12, m->D);
00170 }

void mdfour (  unsigned char *    out,
unsigned char *    in,
int    n
) 
 

Definition at line 173 of file mdfour.c.

References mdfour_begin(), mdfour_result(), and mdfour_update(). 

00174 {
00175         struct mdfour md;
00176         mdfour_begin(&md);
00177         mdfour_update(&md, in, n);
00178         mdfour_result(&md, out);
00179 }

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