+int PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
+ unsigned char *kstr, int klen,
+ pem_password_cb *cb, void *u)
+ {
+ char pem_str[80];
+ if (!x->ameth || x->ameth->priv_encode)
+ return PEM_write_bio_PKCS8PrivateKey(bp, x, enc,
+ (char *)kstr, klen,
+ cb, u);
+
+ BIO_snprintf(pem_str, 80, "%s PRIVATE KEY", x->ameth->pem_str);
+ return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey,
+ pem_str,bp,x,enc,kstr,klen,cb,u);
+ }
+
+EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x)
+ {
+ char *nm=NULL;
+ const unsigned char *p=NULL;
+ unsigned char *data=NULL;
+ long len;
+ int slen;
+ EVP_PKEY *ret=NULL;
+
+ if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS,
+ bp, 0, NULL))
+ return NULL;
+ p = data;
+
+ if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0)
+ {
+ ret = EVP_PKEY_new();
+ if (!ret)
+ goto err;
+ if (!EVP_PKEY_set_type_str(ret, nm, slen)
+ || !ret->ameth->param_decode
+ || !ret->ameth->param_decode(ret, &p, len))
+ {
+ EVP_PKEY_free(ret);
+ ret = NULL;
+ goto err;
+ }
+ if(x)
+ {
+ if(*x) EVP_PKEY_free((EVP_PKEY *)*x);
+ *x = ret;
+ }
+ }
+err:
+ if (ret == NULL)
+ PEMerr(PEM_F_PEM_READ_BIO_PARAMETERS,ERR_R_ASN1_LIB);
+ OPENSSL_free(nm);
+ OPENSSL_free(data);
+ return(ret);
+ }
+
+int PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x)
+ {
+ char pem_str[80];
+ if (!x->ameth || !x->ameth->param_encode)
+ return 0;
+
+ BIO_snprintf(pem_str, 80, "%s PARAMETERS", x->ameth->pem_str);
+ return PEM_ASN1_write_bio(
+ (i2d_of_void *)x->ameth->param_encode,
+ pem_str,bp,x,NULL,NULL,0,0,NULL);
+ }
+