EC_KEY_METHOD accessors. (f8d7d2d6) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP OpenSSL

crypto/ec/ec_kmeth.c

+172 −0

Original line number	Diff line number	Diff line
		@@ -143,3 +143,175 @@ int ECDH_compute_key(void out, size_t outlen, const EC_POINT pub_key,
		ECerr(EC_F_ECDH_COMPUTE_KEY, EC_R_OPERATION_NOT_SUPPORTED);
		return 0;
		}

		EC_KEY_METHOD EC_KEY_METHOD_new(const EC_KEY_METHOD meth)
		{
		EC_KEY_METHOD *ret;
		ret = OPENSSL_zalloc(sizeof(*meth));
		if (ret == NULL)
		return NULL;
		if (meth)
		ret = meth;
		ret->flags \|= EC_KEY_METHOD_DYNAMIC;
		return ret;
		}

		void EC_KEY_METHOD_free(EC_KEY_METHOD *meth)
		{
		if (meth->flags & EC_KEY_METHOD_DYNAMIC)
		OPENSSL_free(meth);
		}

		void EC_KEY_METHOD_set_init(EC_KEY_METHOD *meth,
		int (init)(EC_KEY key),
		void (finish)(EC_KEY key),
		int (copy)(EC_KEY dest, const EC_KEY *src),
		int (set_group)(EC_KEY key, const EC_GROUP *grp),
		int (set_private)(EC_KEY key,
		const BIGNUM *priv_key),
		int (set_public)(EC_KEY key,
		const EC_POINT *pub_key))
		{
		meth->init = init;
		meth->finish = finish;
		meth->copy = copy;
		meth->set_group = set_group;
		meth->set_private = set_private;
		meth->set_public = set_public;
		}

		void EC_KEY_METHOD_set_keygen(EC_KEY_METHOD *meth,
		int (keygen)(EC_KEY key))
		{
		meth->keygen = keygen;
		}

		void EC_KEY_METHOD_set_compute_key(EC_KEY_METHOD *meth,
		int (ckey)(void out,
		size_t outlen,
		const EC_POINT *pub_key,
		EC_KEY *ecdh,
		void (KDF) (const void *in,
		size_t inlen,
		void *out,
		size_t *outlen)))
		{
		meth->compute_key = ckey;
		}

		void EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth,
		int (sign)(int type, const unsigned char dgst,
		int dlen, unsigned char *sig,
		unsigned int *siglen,
		const BIGNUM kinv, const BIGNUM r,
		EC_KEY *eckey),
		int (sign_setup)(EC_KEY eckey, BN_CTX *ctx_in,
		BIGNUM kinvp, BIGNUM rp),
		ECDSA_SIG (sign_sig)(const unsigned char *dgst,
		int dgst_len,
		const BIGNUM *in_kinv,
		const BIGNUM *in_r,
		EC_KEY *eckey))
		{
		meth->sign = sign;
		meth->sign_setup = sign_setup;
		meth->sign_sig = sign_sig;
		}

		void EC_KEY_METHOD_set_verify(EC_KEY_METHOD *meth,
		int (*verify)(int type, const unsigned
		char *dgst, int dgst_len,
		const unsigned char *sigbuf,
		int sig_len, EC_KEY *eckey),
		int (verify_sig)(const unsigned char dgst,
		int dgst_len,
		const ECDSA_SIG *sig,
		EC_KEY *eckey))
		{
		meth->verify = verify;
		meth->verify_sig = verify_sig;
		}

		void EC_KEY_METHOD_get_init(EC_KEY_METHOD *meth,
		int (*pinit)(EC_KEY key),
		void (*pfinish)(EC_KEY key),
		int (*pcopy)(EC_KEY dest, const EC_KEY *src),
		int (*pset_group)(EC_KEY key,
		const EC_GROUP *grp),
		int (*pset_private)(EC_KEY key,
		const BIGNUM *priv_key),
		int (*pset_public)(EC_KEY key,
		const EC_POINT *pub_key))
		{
		if (pinit != NULL)
		*pinit = meth->init;
		if (pfinish != NULL)
		*pfinish = meth->finish;
		if (pcopy != NULL)
		*pcopy = meth->copy;
		if (pset_group != NULL)
		*pset_group = meth->set_group;
		if (pset_private != NULL)
		*pset_private = meth->set_private;
		if (pset_public != NULL)
		*pset_public = meth->set_public;
		}

		void EC_KEY_METHOD_get_keygen(EC_KEY_METHOD *meth,
		int (*pkeygen)(EC_KEY key))
		{
		if (pkeygen != NULL)
		*pkeygen = meth->keygen;
		}

		void EC_KEY_METHOD_get_compute_key(EC_KEY_METHOD *meth,
		int (*pck)(void out,
		size_t outlen,
		const EC_POINT *pub_key,
		EC_KEY *ecdh,
		void (KDF) (const void *in,
		size_t inlen,
		void *out,
		size_t *outlen)))
		{
		if (pck != NULL)
		*pck = meth->compute_key;
		}

		void EC_KEY_METHOD_get_sign(EC_KEY_METHOD *meth,
		int (*psign)(int type, const unsigned char dgst,
		int dlen, unsigned char *sig,
		unsigned int *siglen,
		const BIGNUM kinv, const BIGNUM r,
		EC_KEY *eckey),
		int (*psign_setup)(EC_KEY eckey, BN_CTX *ctx_in,
		BIGNUM kinvp, BIGNUM rp),
		ECDSA_SIG (psign_sig)(const unsigned char dgst,
		int dgst_len,
		const BIGNUM *in_kinv,
		const BIGNUM *in_r,
		EC_KEY *eckey))
		{
		if (psign != NULL)
		*psign = meth->sign;
		if (psign_setup != NULL)
		*psign_setup = meth->sign_setup;
		if (psign_sig != NULL)
		*psign_sig = meth->sign_sig;
		}

		void EC_KEY_METHOD_get_verify(EC_KEY_METHOD *meth,
		int (**pverify)(int type, const unsigned
		char *dgst, int dgst_len,
		const unsigned char *sigbuf,
		int sig_len, EC_KEY *eckey),
		int (*pverify_sig)(const unsigned char dgst,
		int dgst_len,
		const ECDSA_SIG *sig,
		EC_KEY *eckey))
		{
		if (pverify != NULL)
		*pverify = meth->verify;
		if (pverify_sig != NULL)
		*pverify_sig = meth->verify_sig;
		}

include/openssl/ec.h

+97 −0

Original line number	Diff line number	Diff line
		@@ -1131,6 +1131,103 @@ int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
		*/
		int ECDSA_size(const EC_KEY *eckey);

		EC_KEY_METHOD EC_KEY_METHOD_new(const EC_KEY_METHOD meth);
		void EC_KEY_METHOD_free(EC_KEY_METHOD *meth);
		void EC_KEY_METHOD_set_init(EC_KEY_METHOD *meth,
		int (init)(EC_KEY key),
		void (finish)(EC_KEY key),
		int (copy)(EC_KEY dest, const EC_KEY *src),
		int (set_group)(EC_KEY key, const EC_GROUP *grp),
		int (set_private)(EC_KEY key,
		const BIGNUM *priv_key),
		int (set_public)(EC_KEY key,
		const EC_POINT *pub_key));

		void EC_KEY_METHOD_set_keygen(EC_KEY_METHOD *meth,
		int (keygen)(EC_KEY key));

		void EC_KEY_METHOD_set_compute_key(EC_KEY_METHOD *meth,
		int (ckey)(void out,
		size_t outlen,
		const EC_POINT *pub_key,
		EC_KEY *ecdh,
		void (KDF) (const void *in,
		size_t inlen,
		void *out,
		size_t *outlen)));

		void EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth,
		int (sign)(int type, const unsigned char dgst,
		int dlen, unsigned char *sig,
		unsigned int *siglen,
		const BIGNUM kinv, const BIGNUM r,
		EC_KEY *eckey),
		int (sign_setup)(EC_KEY eckey, BN_CTX *ctx_in,
		BIGNUM kinvp, BIGNUM rp),
		ECDSA_SIG (sign_sig)(const unsigned char *dgst,
		int dgst_len,
		const BIGNUM *in_kinv,
		const BIGNUM *in_r,
		EC_KEY *eckey));

		void EC_KEY_METHOD_set_verify(EC_KEY_METHOD *meth,
		int (*verify)(int type, const unsigned
		char *dgst, int dgst_len,
		const unsigned char *sigbuf,
		int sig_len, EC_KEY *eckey),
		int (verify_sig)(const unsigned char dgst,
		int dgst_len,
		const ECDSA_SIG *sig,
		EC_KEY *eckey));

		void EC_KEY_METHOD_get_init(EC_KEY_METHOD *meth,
		int (*pinit)(EC_KEY key),
		void (*pfinish)(EC_KEY key),
		int (*pcopy)(EC_KEY dest, const EC_KEY *src),
		int (*pset_group)(EC_KEY key,
		const EC_GROUP *grp),
		int (*pset_private)(EC_KEY key,
		const BIGNUM *priv_key),
		int (*pset_public)(EC_KEY key,
		const EC_POINT *pub_key));

		void EC_KEY_METHOD_get_keygen(EC_KEY_METHOD *meth,
		int (*pkeygen)(EC_KEY key));

		void EC_KEY_METHOD_get_compute_key(EC_KEY_METHOD *meth,
		int (*pck)(void out,
		size_t outlen,
		const EC_POINT *pub_key,
		EC_KEY *ecdh,
		void (KDF) (const void *in,
		size_t inlen,
		void *out,
		size_t *outlen)));

		void EC_KEY_METHOD_get_sign(EC_KEY_METHOD *meth,
		int (*psign)(int type, const unsigned char dgst,
		int dlen, unsigned char *sig,
		unsigned int *siglen,
		const BIGNUM kinv, const BIGNUM r,
		EC_KEY *eckey),
		int (*psign_setup)(EC_KEY eckey, BN_CTX *ctx_in,
		BIGNUM kinvp, BIGNUM rp),
		ECDSA_SIG (psign_sig)(const unsigned char dgst,
		int dgst_len,
		const BIGNUM *in_kinv,
		const BIGNUM *in_r,
		EC_KEY *eckey));

		void EC_KEY_METHOD_get_verify(EC_KEY_METHOD *meth,
		int (**pverify)(int type, const unsigned
		char *dgst, int dgst_len,
		const unsigned char *sigbuf,
		int sig_len, EC_KEY *eckey),
		int (*pverify_sig)(const unsigned char dgst,
		int dgst_len,
		const ECDSA_SIG *sig,
		EC_KEY *eckey));

		# define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)

		# ifndef __cplusplus

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