1 // SPDX-License-Identifier: BSD-2-Clause
20 #include "sm2-dsa.h"
21 #include "sm2-pke.h"
38 static void ecc_free_public_key(struct ecc_public_key *s)  in ecc_free_public_key()  argument
40 	if (!s)  in ecc_free_public_key()
43 	crypto_bignum_free(&s->x);  in ecc_free_public_key()
44 	crypto_bignum_free(&s->y);  in ecc_free_public_key()
119 	res = ecc_get_keysize(key->curve, 0, &key_size_bytes, &key_size_bits);  in ecc_generate_keypair()
129 	gid = curve_to_group_id(key->curve);  in ecc_generate_keypair()
154 	crypto_bignum_copy(key->d, (void *)&ecdsa.d);  in ecc_generate_keypair()
155 	crypto_bignum_copy(key->x, (void *)&ecdsa.Q.X);  in ecc_generate_keypair()
156 	crypto_bignum_copy(key->y, (void *)&ecdsa.Q.Y);  in ecc_generate_keypair()
176 	mbedtls_mpi s;  in ecc_sign()  local
181 	memset(&s, 0, sizeof(s));  in ecc_sign()
187 	mbedtls_mpi_init(&s);  in ecc_sign()
191 	gid = curve_to_group_id(key->curve);  in ecc_sign()
198 	ecdsa.d = *(mbedtls_mpi *)key->d;  in ecc_sign()
200 	res = ecc_get_keysize(key->curve, algo, &key_size_bytes,  in ecc_sign()
217 	lmd_res = mbedtls_ecdsa_sign(&ecdsa.grp, &r, &s, &ecdsa.d, msg,  in ecc_sign()
222 		mbedtls_mpi_write_binary(&r, sig + *sig_len / 2 -  in ecc_sign()
226 		mbedtls_mpi_write_binary(&s, sig + *sig_len -  in ecc_sign()
227 					 mbedtls_mpi_size(&s),  in ecc_sign()
228 					 mbedtls_mpi_size(&s));  in ecc_sign()
231 		FMSG("mbedtls_ecdsa_sign failed, returned 0x%x", -lmd_res);  in ecc_sign()
236 	mbedtls_mpi_free(&s);  in ecc_sign()
254 	mbedtls_mpi s;  in ecc_verify()  local
259 	memset(&s, 0, sizeof(s));  in ecc_verify()
265 	mbedtls_mpi_init(&s);  in ecc_verify()
269 	gid = curve_to_group_id(key->curve);  in ecc_verify()
276 	ecdsa.Q.X = *(mbedtls_mpi *)key->x;  in ecc_verify()
277 	ecdsa.Q.Y = *(mbedtls_mpi *)key->y;  in ecc_verify()
280 	res = ecc_get_keysize(key->curve, algo,  in ecc_verify()
294 	mbedtls_mpi_read_binary(&s, sig + sig_len / 2, sig_len / 2);  in ecc_verify()
297 				       &r, &s);  in ecc_verify()
299 		FMSG("mbedtls_ecdsa_verify failed, returned 0x%x", -lmd_res);  in ecc_verify()
304 	mbedtls_mpi_free(&s);  in ecc_verify()
326 	gid = curve_to_group_id(private_key->curve);  in ecc_shared_secret()
334 	ecdh.ctx.mbed_ecdh.d = *(mbedtls_mpi *)private_key->d;  in ecc_shared_secret()
335 	ecdh.ctx.mbed_ecdh.Qp.X = *(mbedtls_mpi *)public_key->x;  in ecc_shared_secret()
336 	ecdh.ctx.mbed_ecdh.Qp.Y = *(mbedtls_mpi *)public_key->y;  in ecc_shared_secret()
399 TEE_Result crypto_asym_alloc_ecc_keypair(struct ecc_keypair *s,  in crypto_asym_alloc_ecc_keypair()  argument
403 	memset(s, 0, sizeof(*s));  in crypto_asym_alloc_ecc_keypair()
408 		s->ops = &ecc_keypair_ops;  in crypto_asym_alloc_ecc_keypair()
414 		s->curve = TEE_ECC_CURVE_SM2;  in crypto_asym_alloc_ecc_keypair()
415 		s->ops = &sm2_dsa_keypair_ops;  in crypto_asym_alloc_ecc_keypair()
421 		s->curve = TEE_ECC_CURVE_SM2;  in crypto_asym_alloc_ecc_keypair()
422 		s->ops = &sm2_pke_keypair_ops;  in crypto_asym_alloc_ecc_keypair()
428 		s->curve = TEE_ECC_CURVE_SM2;  in crypto_asym_alloc_ecc_keypair()
429 		s->ops = &sm2_kep_keypair_ops;  in crypto_asym_alloc_ecc_keypair()
435 	s->d = crypto_bignum_allocate(key_size_bits);  in crypto_asym_alloc_ecc_keypair()
436 	if (!s->d)  in crypto_asym_alloc_ecc_keypair()
438 	s->x = crypto_bignum_allocate(key_size_bits);  in crypto_asym_alloc_ecc_keypair()
439 	if (!s->x)  in crypto_asym_alloc_ecc_keypair()
441 	s->y = crypto_bignum_allocate(key_size_bits);  in crypto_asym_alloc_ecc_keypair()
442 	if (!s->y)  in crypto_asym_alloc_ecc_keypair()
448 	crypto_bignum_free(&s->d);  in crypto_asym_alloc_ecc_keypair()
449 	crypto_bignum_free(&s->x);  in crypto_asym_alloc_ecc_keypair()
499 TEE_Result crypto_asym_alloc_ecc_public_key(struct ecc_public_key *s,  in crypto_asym_alloc_ecc_public_key()  argument
503 	memset(s, 0, sizeof(*s));  in crypto_asym_alloc_ecc_public_key()
508 		s->ops = &ecc_public_key_ops;  in crypto_asym_alloc_ecc_public_key()
514 		s->curve = TEE_ECC_CURVE_SM2;  in crypto_asym_alloc_ecc_public_key()
515 		s->ops = &sm2_dsa_public_key_ops;  in crypto_asym_alloc_ecc_public_key()
521 		s->curve = TEE_ECC_CURVE_SM2;  in crypto_asym_alloc_ecc_public_key()
522 		s->ops = &sm2_pke_public_key_ops;  in crypto_asym_alloc_ecc_public_key()
528 		s->curve = TEE_ECC_CURVE_SM2;  in crypto_asym_alloc_ecc_public_key()
529 		s->ops = &sm2_kep_public_key_ops;  in crypto_asym_alloc_ecc_public_key()
535 	s->x = crypto_bignum_allocate(key_size_bits);  in crypto_asym_alloc_ecc_public_key()
536 	if (!s->x)  in crypto_asym_alloc_ecc_public_key()
538 	s->y = crypto_bignum_allocate(key_size_bits);  in crypto_asym_alloc_ecc_public_key()
539 	if (!s->y)  in crypto_asym_alloc_ecc_public_key()
545 	crypto_bignum_free(&s->x);  in crypto_asym_alloc_ecc_public_key()