diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2016-02-01 17:57:01 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2016-02-28 22:54:53 +0000 |
| commit | 474d84ec81d6926698d27a2cbbbbe2961ecf6541 (patch) | |
| tree | 9bce6bb5e24a3f17d3d32820109adaf13db0df1c /crypto/ec/ec_lcl.h | |
| parent | 899cf48f17ba95a7bd986bbeffeebf9a1d9fd3fb (diff) | |
EC_METHOD customisation operations.
Extend EC_METHOD to permit additional customisation of private key and
ECDH operations.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
Diffstat (limited to 'crypto/ec/ec_lcl.h')
| -rw-r--r-- | crypto/ec/ec_lcl.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/crypto/ec/ec_lcl.h b/crypto/ec/ec_lcl.h index 5190b91109..e3b1c5d525 100644 --- a/crypto/ec/ec_lcl.h +++ b/crypto/ec/ec_lcl.h @@ -83,6 +83,9 @@ /* Use default functions for poin2oct, oct2point and compressed coordinates */ #define EC_FLAGS_DEFAULT_OCT 0x1 +/* Use custom formats for EC_GROUP, EC_POINT and EC_KEY */ +#define EC_FLAGS_CUSTOM_CURVE 0x2 + /* * Structure details are not part of the exported interface, so all this may * change in future versions. @@ -195,6 +198,20 @@ struct ec_method_st { int (*field_decode) (const EC_GROUP *, BIGNUM *r, const BIGNUM *a, BN_CTX *); int (*field_set_to_one) (const EC_GROUP *, BIGNUM *r, BN_CTX *); + /* private key operations */ + size_t (*priv2oct)(const EC_KEY *eckey, unsigned char *buf, size_t len); + int (*oct2priv)(EC_KEY *eckey, unsigned char *buf, size_t len); + int (*set_private)(EC_KEY *eckey, const BIGNUM *priv_key); + int (*keygen)(EC_KEY *eckey); + int (*keycheck)(const EC_KEY *eckey); + int (*keygenpub)(EC_KEY *eckey); + int (*keycopy)(EC_KEY *dst, const EC_KEY *src); + void (*keyfinish)(EC_KEY *eckey); + /* custom ECDH operation */ + int (*ecdh_compute_key)(void *out, size_t outlen, const EC_POINT *pub_key, + const EC_KEY *ecdh, + void *(*KDF) (const void *in, size_t inlen, + void *out, size_t *outlen)); } /* EC_METHOD */ ; /* |