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src/ltc/headers/tomcrypt_pk.h  view on Meta::CPAN

                           unsigned char *out,      unsigned long *outlen,
                           int            padding,
                           prng_state    *prng,     int            prng_idx,
                           int            hash_idx, unsigned long  saltlen,
                     const rsa_key       *key);

int rsa_verify_hash_ex(const unsigned char *sig,            unsigned long  siglen,
                       const unsigned char *hash,           unsigned long  hashlen,
                             int            padding,
                             int            hash_idx,       unsigned long  saltlen,
                             int           *stat,     const rsa_key       *key);

int rsa_sign_saltlen_get_max_ex(int padding, int hash_idx, const rsa_key *key);

/* PKCS #1 import/export */
int rsa_export(unsigned char *out, unsigned long *outlen, int type, const rsa_key *key);
int rsa_import(const unsigned char *in, unsigned long inlen, rsa_key *key);

int rsa_import_x509(const unsigned char *in, unsigned long inlen, rsa_key *key);
int rsa_import_pkcs8(const unsigned char *in, unsigned long inlen,
                     const void *passwd, unsigned long passwdlen, rsa_key *key);

int rsa_set_key(const unsigned char *N,  unsigned long Nlen,
                const unsigned char *e,  unsigned long elen,
                const unsigned char *d,  unsigned long dlen,
                rsa_key *key);
int rsa_set_factors(const unsigned char *p,  unsigned long plen,
                    const unsigned char *q,  unsigned long qlen,
                    rsa_key *key);
int rsa_set_crt_params(const unsigned char *dP, unsigned long dPlen,
                       const unsigned char *dQ, unsigned long dQlen,
                       const unsigned char *qP, unsigned long qPlen,
                       rsa_key *key);
#endif

/* ---- DH Routines ---- */
#ifdef LTC_MDH

typedef struct {
    int type;
    void *x;
    void *y;
    void *base;
    void *prime;
} dh_key;

int dh_get_groupsize(const dh_key *key);

int dh_export(unsigned char *out, unsigned long *outlen, int type, const dh_key *key);
int dh_import(const unsigned char *in, unsigned long inlen, dh_key *key);

int dh_set_pg(const unsigned char *p, unsigned long plen,
              const unsigned char *g, unsigned long glen,
              dh_key *key);
int dh_set_pg_dhparam(const unsigned char *dhparam, unsigned long dhparamlen, dh_key *key);
int dh_set_pg_groupsize(int groupsize, dh_key *key);

int dh_set_key(const unsigned char *in, unsigned long inlen, int type, dh_key *key);
int dh_generate_key(prng_state *prng, int wprng, dh_key *key);

int dh_shared_secret(const dh_key  *private_key, const dh_key  *public_key,
                     unsigned char *out,         unsigned long *outlen);

void dh_free(dh_key *key);

int dh_export_key(void *out, unsigned long *outlen, int type, const dh_key *key);
#endif /* LTC_MDH */


/* ---- ECC Routines ---- */
#ifdef LTC_MECC

/* size of our temp buffers for exported keys */
#define ECC_BUF_SIZE 256

/* max private key size */
#define ECC_MAXSIZE  66

/** Structure defines a GF(p) curve */
typedef struct {
   /** The prime that defines the field the curve is in (encoded in hex) */
   const char *prime;

   /** The fields A param (hex) */
   const char *A;

   /** The fields B param (hex) */
   const char *B;

   /** The order of the curve (hex) */
   const char *order;

   /** The x co-ordinate of the base point on the curve (hex) */
   const char *Gx;

   /** The y co-ordinate of the base point on the curve (hex) */
   const char *Gy;

   /** The co-factor */
   unsigned long cofactor;

   /** The OID */
   const char *OID;
} ltc_ecc_curve;

/** A point on a ECC curve, stored in Jacbobian format such that (x,y,z) => (x/z^2, y/z^3, 1) when interpretted as affine */
typedef struct {
    /** The x co-ordinate */
    void *x;

    /** The y co-ordinate */
    void *y;

    /** The z co-ordinate */
    void *z;
} ecc_point;

/** ECC key's domain parameters */
typedef struct {
   /** The size of the curve in octets */
   int size;