50     PROV_SM2_CTX *psm2ctx =  OPENSSL_zalloc(sizeof(PROV_SM2_CTX));  in sm2_newctx()  local
52     if (psm2ctx == NULL)  in sm2_newctx()
54     psm2ctx->libctx = PROV_LIBCTX_OF(provctx);  in sm2_newctx()
56     return psm2ctx;  in sm2_newctx()
61     PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;  in sm2_init()  local
63     if (psm2ctx == NULL || vkey == NULL || !EC_KEY_up_ref(vkey))  in sm2_init()
65     EC_KEY_free(psm2ctx->key);  in sm2_init()
66     psm2ctx->key = vkey;  in sm2_init()
68     return sm2_set_ctx_params(psm2ctx, params);  in sm2_init()
71 static const EVP_MD *sm2_get_md(PROV_SM2_CTX *psm2ctx)  in sm2_get_md()  argument
73     const EVP_MD *md = ossl_prov_digest_md(&psm2ctx->md);  in sm2_get_md()
76         md = ossl_prov_digest_fetch(&psm2ctx->md, psm2ctx->libctx, "SM3", NULL);  in sm2_get_md()
85     PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;  in sm2_asym_encrypt()  local
86     const EVP_MD *md = sm2_get_md(psm2ctx);  in sm2_asym_encrypt()
92         if (!ossl_sm2_ciphertext_size(psm2ctx->key, md, inlen, outlen)) {  in sm2_asym_encrypt()
99     return ossl_sm2_encrypt(psm2ctx->key, md, in, inlen, out, outlen);  in sm2_asym_encrypt()
106     PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;  in sm2_asym_decrypt()  local
107     const EVP_MD *md = sm2_get_md(psm2ctx);  in sm2_asym_decrypt()
118     return ossl_sm2_decrypt(psm2ctx->key, md, in, inlen, out, outlen);  in sm2_asym_decrypt()
123     PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;  in sm2_freectx()  local
125     EC_KEY_free(psm2ctx->key);  in sm2_freectx()
126     ossl_prov_digest_reset(&psm2ctx->md);  in sm2_freectx()
128     OPENSSL_free(psm2ctx);  in sm2_freectx()
158     PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;  in sm2_get_ctx_params()  local
166         const EVP_MD *md = ossl_prov_digest_md(&psm2ctx->md);  in sm2_get_ctx_params()
189     PROV_SM2_CTX *psm2ctx = (PROV_SM2_CTX *)vpsm2ctx;  in sm2_set_ctx_params()  local
191     if (psm2ctx == NULL)  in sm2_set_ctx_params()
196     if (!ossl_prov_digest_load_from_params(&psm2ctx->md, params,  in sm2_set_ctx_params()
197                                            psm2ctx->libctx))  in sm2_set_ctx_params()