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RSA key generation routines, and the bignum enhancements required to

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support them. A key generation tool will be forthcoming soon.

[originally from svn r712]
This commit is contained in:
Simon Tatham
2000-10-18 15:00:36 +00:00
parent 633ae5a22b
commit e41344c544
4 changed files with 1239 additions and 32 deletions
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25
ssh.h
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@ -39,6 +39,12 @@ struct RSAKey {
char *comment;
};
struct RSAAux {
Bignum p;
Bignum q;
Bignum iqmp;
};
int makekey(unsigned char *data, struct RSAKey *result,
unsigned char **keystr, int order);
int makeprivate(unsigned char *data, struct RSAKey *result);
@ -144,6 +150,7 @@ void logevent (char *);
Bignum newbn(int length);
Bignum copybn(Bignum b);
Bignum bignum_from_short(unsigned short n);
void freebn(Bignum b);
void modpow(Bignum base, Bignum exp, Bignum mod, Bignum result);
void modmul(Bignum a, Bignum b, Bignum mod, Bignum result);
@ -153,7 +160,15 @@ int ssh1_read_bignum(unsigned char *data, Bignum *result);
int ssh1_bignum_bitcount(Bignum bn);
int ssh1_bignum_length(Bignum bn);
int bignum_byte(Bignum bn, int i);
int bignum_bit(Bignum bn, int i);
void bignum_set_bit(Bignum bn, int i, int value);
int ssh1_write_bignum(void *data, Bignum bn);
Bignum biggcd(Bignum a, Bignum b);
unsigned short bignum_mod_short(Bignum number, unsigned short modulus);
Bignum bignum_add_long(Bignum number, unsigned long addend);
Bignum bigmul(Bignum a, Bignum b);
Bignum modinv(Bignum number, Bignum modulus);
Bignum bignum_rshift(Bignum number, int shift);
Bignum dh_create_e(void);
Bignum dh_find_K(Bignum f);
@ -163,3 +178,13 @@ int rsakey_encrypted(char *filename, char **comment);
void des3_decrypt_pubkey(unsigned char *key,
unsigned char *blk, int len);
/*
* For progress updates in the key generation utility.
*/
typedef void (*progfn_t)(void *param, int phase, int progress);
int rsa_generate(struct RSAKey *key, struct RSAAux *aux, int bits,
progfn_t pfn, void *pfnparam);
Bignum primegen(int bits, int modulus, int residue,
int phase, progfn_t pfn, void *pfnparam);