CryptX
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src/ltc/headers/tomcrypt_pk.h view on Meta::CPAN
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);
#endif /* LTC_NO_DEPRECATED_APIS */
#define rsa_sign_saltlen_get_max(hash_idx, key) \
rsa_sign_saltlen_get_max_ex(LTC_PKCS_1_PSS, hash_idx, 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 password_ctx *pw_ctx, 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_import_pkcs8(const unsigned char *in, unsigned long inlen,
const password_ctx *pw_ctx, 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;
src/ltc/headers/tomcrypt_pk.h view on Meta::CPAN
/* raw R, S, V (+27) values */
LTC_ECCSIG_ETH27 = 0x2,
/* SSH + ECDSA signature format defined by RFC5656 */
LTC_ECCSIG_RFC5656 = 0x3,
} ecc_signature_type;
typedef struct ltc_ecc_sig_opts {
/** Signature type */
ecc_signature_type type;
/** The PRNG to use.
* This must be set in case deterministic signature generation
* according to RFC6979 is not enabled.
*/
prng_state *prng;
int wprng;
/** Enable generation of a recovery ID.
* This must be set in case one requires the recovery ID of a
* signature operation.
*/
int *recid;
/** The hash algorithm to use when creating a signature.
* Setting this will enable RFC6979 compatible signature generation.
*/
const char *rfc6979_hash_alg;
} ltc_ecc_sig_opts;
/** the ECC params provided */
extern const ltc_ecc_curve ltc_ecc_curves[];
void ecc_sizes(int *low, int *high);
int ecc_get_size(const ecc_key *key);
int ecc_find_curve(const char* name_or_oid, const ltc_ecc_curve** cu);
int ecc_set_curve(const ltc_ecc_curve *cu, ecc_key *key);
int ecc_generate_key(prng_state *prng, int wprng, ecc_key *key);
int ecc_set_key(const unsigned char *in, unsigned long inlen, int type, ecc_key *key);
int ecc_get_key(unsigned char *out, unsigned long *outlen, int type, const ecc_key *key);
int ecc_get_oid_str(char *out, unsigned long *outlen, const ecc_key *key);
int ecc_make_key(prng_state *prng, int wprng, int keysize, ecc_key *key);
int ecc_make_key_ex(prng_state *prng, int wprng, ecc_key *key, const ltc_ecc_curve *cu);
void ecc_free(ecc_key *key);
#if defined(LTC_DER)
int ecc_export(unsigned char *out, unsigned long *outlen, int type, const ecc_key *key);
int ecc_import(const unsigned char *in, unsigned long inlen, ecc_key *key);
int ecc_import_ex(const unsigned char *in, unsigned long inlen, ecc_key *key, const ltc_ecc_curve *cu);
int ecc_export_openssl(unsigned char *out, unsigned long *outlen, int type, const ecc_key *key);
int ecc_import_openssl(const unsigned char *in, unsigned long inlen, ecc_key *key);
int ecc_import_pkcs8(const unsigned char *in, unsigned long inlen, const password_ctx *pw_ctx, ecc_key *key);
int ecc_import_x509(const unsigned char *in, unsigned long inlen, ecc_key *key);
#endif
int ecc_ansi_x963_export(const ecc_key *key, unsigned char *out, unsigned long *outlen);
int ecc_ansi_x963_import(const unsigned char *in, unsigned long inlen, ecc_key *key);
int ecc_ansi_x963_import_ex(const unsigned char *in, unsigned long inlen, ecc_key *key, const ltc_ecc_curve *cu);
int ecc_shared_secret(const ecc_key *private_key, const ecc_key *public_key,
unsigned char *out, unsigned long *outlen);
int ecc_sign_hash_v2(const unsigned char *in,
unsigned long inlen,
unsigned char *out,
unsigned long *outlen,
ltc_ecc_sig_opts *opts,
const ecc_key *key);
int ecc_verify_hash_v2(const unsigned char *sig,
unsigned long siglen,
const unsigned char *hash,
unsigned long hashlen,
ltc_ecc_sig_opts *opts,
int *stat,
const ecc_key *key);
#if defined(LTC_DER)
int ecc_encrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
prng_state *prng, int wprng, int hash,
const ecc_key *key);
int ecc_decrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
const ecc_key *key);
#endif /* LTC_DER */
#define ltc_ecc_sign_hash(i, il, o, ol, p, wp, k) \
ecc_sign_hash_v2(i, il, o, ol, \
&(ltc_ecc_sig_opts){ \
.type = LTC_ECCSIG_ANSIX962, \
.prng = p, \
.wprng = wp, \
}, k)
#define ltc_ecc_sign_hash_rfc7518(i, il, o, ol, p, wp, k) \
ecc_sign_hash_v2(i, il, o, ol, \
&(ltc_ecc_sig_opts){ \
.type = LTC_ECCSIG_RFC7518, \
.prng = p, \
.wprng = wp, \
}, k)
#define ltc_ecc_verify_hash(s, sl, h, hl, st, k) \
ecc_verify_hash_v2(s, sl, h, hl, \
&(ltc_ecc_sig_opts){ \
.type = LTC_ECCSIG_ANSIX962, \
}, st, k)
#define ltc_ecc_verify_hash_rfc7518(s, sl, h, hl, st, k) \
ecc_verify_hash_v2(s, sl, h, hl, \
&(ltc_ecc_sig_opts){ \
.type = LTC_ECCSIG_RFC7518, \
}, st, k)
#ifdef LTC_NO_DEPRECATED_APIS
#define ecc_sign_hash ltc_ecc_sign_hash
#define ecc_verify_hash ltc_ecc_verify_hash
#define ecc_sign_hash_rfc7518 ltc_ecc_sign_hash_rfc7518
#define ecc_verify_hash_rfc7518 ltc_ecc_verify_hash_rfc7518
#else /* LTC_NO_DEPRECATED_APIS */
src/ltc/headers/tomcrypt_pk.h view on Meta::CPAN
LTC_DEPRECATED(ecc_sign_hash_v2)
int ecc_sign_hash_rfc7518(const unsigned char *in,
unsigned long inlen,
unsigned char *out,
unsigned long *outlen,
prng_state *prng,
int wprng,
const ecc_key *key);
LTC_DEPRECATED(ecc_verify_hash_v2)
int ecc_verify_hash_rfc7518(const unsigned char *sig,
unsigned long siglen,
const unsigned char *hash,
unsigned long hashlen,
int *stat,
const ecc_key *key);
#endif /* LTC_NO_DEPRECATED_APIS */
int ecc_recover_key(const unsigned char *sig,
unsigned long siglen,
const unsigned char *hash,
unsigned long hashlen,
ltc_ecc_sig_opts *opts,
ecc_key *key);
#endif
#ifdef LTC_CURVE25519
typedef struct {
/** The key type, PK_PRIVATE or PK_PUBLIC */
enum public_key_type type;
/** The PK-algorithm, LTC_PKA_ED25519 or LTC_PKA_X25519 */
enum ltc_pka_id pka;
/** The private key */
unsigned char priv[32];
/** The public key */
unsigned char pub[32];
} curve25519_key;
/** Ed25519 Signature API */
int ed25519_make_key(prng_state *prng, int wprng, curve25519_key *key);
int ed25519_export( unsigned char *out, unsigned long *outlen,
int which,
const curve25519_key *key);
int ed25519_import(const unsigned char *in, unsigned long inlen, curve25519_key *key);
int ed25519_import_raw(const unsigned char *in, unsigned long inlen, int which, curve25519_key *key);
int ed25519_import_x509(const unsigned char *in, unsigned long inlen, curve25519_key *key);
int ed25519_import_pkcs8(const unsigned char *in, unsigned long inlen,
const password_ctx *pw_ctx,
curve25519_key *key);
int ed25519_sign(const unsigned char *msg, unsigned long msglen,
unsigned char *sig, unsigned long *siglen,
const curve25519_key *private_key);
int ed25519ctx_sign(const unsigned char *msg, unsigned long msglen,
unsigned char *sig, unsigned long *siglen,
const unsigned char *ctx, unsigned long ctxlen,
const curve25519_key *private_key);
int ed25519ph_sign(const unsigned char *msg, unsigned long msglen,
unsigned char *sig, unsigned long *siglen,
const unsigned char *ctx, unsigned long ctxlen,
const curve25519_key *private_key);
int ed25519_verify(const unsigned char *msg, unsigned long msglen,
const unsigned char *sig, unsigned long siglen,
int *stat,
const curve25519_key *public_key);
int ed25519ctx_verify(const unsigned char *msg, unsigned long msglen,
const unsigned char *sig, unsigned long siglen,
const unsigned char *ctx, unsigned long ctxlen,
int *stat,
const curve25519_key *public_key);
int ed25519ph_verify(const unsigned char *msg, unsigned long msglen,
const unsigned char *sig, unsigned long siglen,
const unsigned char *ctx, unsigned long ctxlen,
int *stat,
const curve25519_key *public_key);
/** X25519 Key-Exchange API */
int x25519_make_key(prng_state *prng, int wprng, curve25519_key *key);
int x25519_export( unsigned char *out, unsigned long *outlen,
int which,
const curve25519_key *key);
int x25519_import(const unsigned char *in, unsigned long inlen, curve25519_key *key);
int x25519_import_raw(const unsigned char *in, unsigned long inlen, int which, curve25519_key *key);
int x25519_import_x509(const unsigned char *in, unsigned long inlen, curve25519_key *key);
int x25519_import_pkcs8(const unsigned char *in, unsigned long inlen,
const password_ctx *pw_ctx,
curve25519_key *key);
int x25519_shared_secret(const curve25519_key *private_key,
const curve25519_key *public_key,
unsigned char *out, unsigned long *outlen);
#endif /* LTC_CURVE25519 */
#ifdef LTC_MDSA
/* Max diff between group and modulus size in bytes (max case: L=8192bits, N=256bits) */
#define LTC_MDSA_DELTA 992
/* Max DSA group size in bytes */
#define LTC_MDSA_MAX_GROUP 64
/* Max DSA modulus size in bytes (the actual DSA size, max 8192 bits) */
#define LTC_MDSA_MAX_MODULUS 1024
/** DSA key structure */
typedef struct {
/** The key type, PK_PRIVATE or PK_PUBLIC */
int type;
/** The order of the sub-group used in octets */
int qord;
/** The generator */
void *g;
/** The prime used to generate the sub-group */
void *q;
/** The large prime that generats the field the contains the sub-group */
void *p;
/** The private key */
void *x;
/** The public key */
void *y;
} dsa_key;
int dsa_make_key(prng_state *prng, int wprng, int group_size, int modulus_size, dsa_key *key);
int dsa_set_pqg(const unsigned char *p, unsigned long plen,
const unsigned char *q, unsigned long qlen,
const unsigned char *g, unsigned long glen,
dsa_key *key);
int dsa_set_pqg_dsaparam(const unsigned char *dsaparam, unsigned long dsaparamlen, dsa_key *key);
int dsa_generate_pqg(prng_state *prng, int wprng, int group_size, int modulus_size, dsa_key *key);
int dsa_set_key(const unsigned char *in, unsigned long inlen, int type, dsa_key *key);
int dsa_generate_key(prng_state *prng, int wprng, dsa_key *key);
void dsa_free(dsa_key *key);
int dsa_sign_hash_raw(const unsigned char *in, unsigned long inlen,
void *r, void *s,
prng_state *prng, int wprng, const dsa_key *key);
int dsa_sign_hash(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
prng_state *prng, int wprng, const dsa_key *key);
int dsa_verify_hash_raw( void *r, void *s,
const unsigned char *hash, unsigned long hashlen,
int *stat, const dsa_key *key);
int dsa_verify_hash(const unsigned char *sig, unsigned long siglen,
const unsigned char *hash, unsigned long hashlen,
int *stat, const dsa_key *key);
int dsa_encrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
prng_state *prng, int wprng, int hash,
const dsa_key *key);
int dsa_decrypt_key(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen,
const dsa_key *key);
int dsa_import(const unsigned char *in, unsigned long inlen, dsa_key *key);
int dsa_import_pkcs8(const unsigned char *in, unsigned long inlen,
const password_ctx *pw_ctx,
dsa_key *key);
int dsa_export(unsigned char *out, unsigned long *outlen, int type, const dsa_key *key);
int dsa_verify_key(const dsa_key *key, int *stat);
int dsa_shared_secret(void *private_key, void *base,
const dsa_key *public_key,
unsigned char *out, unsigned long *outlen);
#endif /* LTC_MDSA */
/*
* LibTomCrypt tagged-union for holding a Public Key
*/
typedef struct {
union {
#ifdef LTC_CURVE25519
curve25519_key x25519;
curve25519_key ed25519;
#endif
#ifdef LTC_MDH
dh_key dh;
#endif
#ifdef LTC_MDSA
dsa_key dsa;
#endif
#ifdef LTC_MECC
ecc_key ecc;
#endif
#ifdef LTC_MRSA
rsa_key rsa;
#endif
char dummy;
} u;
enum ltc_pka_id id;
} ltc_pka_key;
void pka_key_free(ltc_pka_key *key);
void pka_key_destroy(ltc_pka_key **key);
#ifdef LTC_DER
/* DER handling */
typedef enum ltc_asn1_type_ {
/* 0 */
LTC_ASN1_EOL,
LTC_ASN1_BOOLEAN,
LTC_ASN1_INTEGER,
LTC_ASN1_SHORT_INTEGER,
LTC_ASN1_BIT_STRING,
/* 5 */
LTC_ASN1_OCTET_STRING,
LTC_ASN1_NULL,
LTC_ASN1_OBJECT_IDENTIFIER,
LTC_ASN1_IA5_STRING,
LTC_ASN1_PRINTABLE_STRING,
/* 10 */
LTC_ASN1_UTF8_STRING,
LTC_ASN1_UTCTIME,
LTC_ASN1_CHOICE,
LTC_ASN1_SEQUENCE,
LTC_ASN1_SET,
/* 15 */
LTC_ASN1_SETOF,
LTC_ASN1_RAW_BIT_STRING,
LTC_ASN1_TELETEX_STRING,
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