47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
enum
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{
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ANAMELEN= 28, /* name max size in previous proto */
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AERRLEN= 64, /* errstr max size in previous proto */
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DOMLEN= 48, /* authentication domain name length */
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DESKEYLEN= 7, /* encrypt/decrypt des key length */
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AESKEYLEN= 16, /* encrypt/decrypt aes key length */
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CHALLEN= 8, /* plan9 sk1 challenge length */
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NETCHLEN= 16, /* max network challenge length (used in AS protocol) */
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CONFIGLEN= 14,
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PASSWDLEN= 28,
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SECRETLEN= 32, /* secret max size */
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NONCELEN= 32,
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KEYDBOFF= 8, /* bytes of random data at key file's start */
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OKEYDBLEN= ANAMELEN+DESKEYLEN+4+2, /* old key file entry length */
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KEYDBLEN= OKEYDBLEN+SECRETLEN, /* key file entry length */
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OMD5LEN= 16,
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/* AuthPAK constants */
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PAKKEYLEN= 32,
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PAKSLEN= (448+7)/8, /* ed448 scalar */
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PAKPLEN= 4*PAKSLEN, /* point in extended format X,Y,Z,T */
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PAKHASHLEN= 2*PAKPLEN, /* hashed points PM,PN */
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PAKXLEN= PAKSLEN, /* random scalar secret key */
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PAKYLEN= PAKSLEN, /* decaf encoded public key */
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};
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typedef struct Authkey Authkey;
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struct Authkey
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{
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char des[DESKEYLEN]; /* DES key from password */
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uchar aes[AESKEYLEN]; /* AES key from password */
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uchar pakkey[PAKKEYLEN]; /* shared key from AuthPAK exchange (see authpak_finish()) */
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uchar pakhash[PAKHASHLEN]; /* secret hash from AES key and user name (see authpak_hash()) */
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};
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/*
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* convert ascii password to auth key
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*/
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extern void passtokey(Authkey*, char*);
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extern void passtodeskey(char key[DESKEYLEN], char *p);
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extern void passtoaeskey(uchar key[AESKEYLEN], char *p);
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