+#endif /* !OPENSSL_NO_DSA */
+
+#ifndef OPENSSL_NO_EC
+#ifndef OPENSSL_NO_FP_API
+int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off)
+ {
+ BIO *b;
+ int ret;
+
+ if ((b=BIO_new(BIO_s_file())) == NULL)
+ {
+ ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB);
+ return(0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = ECPKParameters_print(b, x, off);
+ BIO_free(b);
+ return(ret);
+ }
+
+int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off)
+ {
+ BIO *b;
+ int ret;
+
+ if ((b=BIO_new(BIO_s_file())) == NULL)
+ {
+ ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB);
+ return(0);
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = EC_KEY_print(b, x, off);
+ BIO_free(b);
+ return(ret);
+ }
+#endif
+
+int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off)
+ {
+ char str[128];
+ unsigned char *buffer=NULL;
+ size_t buf_len=0, i;
+ int ret=0, reason=ERR_R_BIO_LIB;
+ BN_CTX *ctx=NULL;
+ EC_POINT *point=NULL;
+ BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL,
+ *order=NULL, *cofactor=NULL;
+ const unsigned char *seed;
+ size_t seed_len=0;
+
+ static const char *gen_compressed = "Generator (compressed):";
+ static const char *gen_uncompressed = "Generator (uncompressed):";
+ static const char *gen_hybrid = "Generator (hybrid):";
+
+ if (!x)
+ {
+ reason = ERR_R_PASSED_NULL_PARAMETER;
+ goto err;
+ }
+
+ if (EC_GROUP_get_asn1_flag(x))
+ {
+ /* the curve parameter are given by an asn1 OID */
+ int nid;
+
+ if (off)
+ {
+ if (off > 128)
+ off=128;
+ memset(str, ' ', off);
+ if (BIO_write(bp, str, off) <= 0)
+ goto err;
+ }
+
+ nid = EC_GROUP_get_nid(x);
+ if (nid == 0)
+ goto err;
+
+ if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0)
+ goto err;
+ if (BIO_printf(bp, "\n") <= 0)
+ goto err;
+ }
+ else
+ {
+ /* explicit parameters */
+ int is_char_two = 0;
+ point_conversion_form_t form;
+ int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x));
+
+ if (tmp_nid == NID_X9_62_characteristic_two_field)
+ is_char_two = 1;
+
+ if ((p = BN_new()) == NULL || (a = BN_new()) == NULL ||
+ (b = BN_new()) == NULL || (order = BN_new()) == NULL ||
+ (cofactor = BN_new()) == NULL)
+ {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+
+ if (is_char_two)
+ {
+ if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx))
+ {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+ }
+ else /* prime field */
+ {
+ if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx))
+ {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+ }
+
+ if ((point = EC_GROUP_get0_generator(x)) == NULL)
+ {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+ if (!EC_GROUP_get_order(x, order, NULL) ||
+ !EC_GROUP_get_cofactor(x, cofactor, NULL))
+ {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+
+ form = EC_GROUP_get_point_conversion_form(x);
+
+ if ((gen = EC_POINT_point2bn(x, point,
+ form, NULL, ctx)) == NULL)
+ {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+
+ buf_len = (size_t)BN_num_bytes(p);
+ if (buf_len < (i = (size_t)BN_num_bytes(a)))
+ buf_len = i;
+ if (buf_len < (i = (size_t)BN_num_bytes(b)))
+ buf_len = i;
+ if (buf_len < (i = (size_t)BN_num_bytes(gen)))
+ buf_len = i;
+ if (buf_len < (i = (size_t)BN_num_bytes(order)))
+ buf_len = i;
+ if (buf_len < (i = (size_t)BN_num_bytes(cofactor)))
+ buf_len = i;
+
+ if ((seed = EC_GROUP_get0_seed(x)) != NULL)
+ seed_len = EC_GROUP_get_seed_len(x);
+
+ buf_len += 10;
+ if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
+ {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ if (off)
+ {
+ if (off > 128) off=128;
+ memset(str,' ',off);
+ if (BIO_write(bp, str, off) <= 0)
+ goto err;
+ }
+
+ if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid))
+ <= 0)
+ goto err;
+
+ if (is_char_two)
+ {
+ if ((p != NULL) && !print(bp, "Polynomial:", p, buffer,
+ off))
+ goto err;
+ }
+ else
+ {
+ if ((p != NULL) && !print(bp, "Prime:", p, buffer,off))
+ goto err;
+ }
+ if ((a != NULL) && !print(bp, "A: ", a, buffer, off))
+ goto err;
+ if ((b != NULL) && !print(bp, "B: ", b, buffer, off))
+ goto err;
+ if (form == POINT_CONVERSION_COMPRESSED)
+ {
+ if ((gen != NULL) && !print(bp, gen_compressed, gen,
+ buffer, off))
+ goto err;
+ }
+ else if (form == POINT_CONVERSION_UNCOMPRESSED)
+ {
+ if ((gen != NULL) && !print(bp, gen_uncompressed, gen,
+ buffer, off))
+ goto err;
+ }
+ else /* form == POINT_CONVERSION_HYBRID */
+ {
+ if ((gen != NULL) && !print(bp, gen_hybrid, gen,
+ buffer, off))
+ goto err;
+ }
+ if ((order != NULL) && !print(bp, "Order: ", order,
+ buffer, off)) goto err;
+ if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor,
+ buffer, off)) goto err;
+ if (seed && !print_bin(bp, "Seed:", seed, seed_len, off))
+ goto err;
+ }
+ ret=1;
+err:
+ if (!ret)
+ ECerr(EC_F_ECPKPARAMETERS_PRINT, reason);
+ if (p)
+ BN_free(p);
+ if (a)
+ BN_free(a);
+ if (b)
+ BN_free(b);
+ if (gen)
+ BN_free(gen);
+ if (order)
+ BN_free(order);
+ if (cofactor)
+ BN_free(cofactor);
+ if (ctx)
+ BN_CTX_free(ctx);
+ if (buffer != NULL)
+ OPENSSL_free(buffer);
+ return(ret);
+ }
+
+int EC_KEY_print(BIO *bp, const EC_KEY *x, int off)
+ {
+ char str[128];
+ unsigned char *buffer=NULL;
+ size_t buf_len=0, i;
+ int ret=0, reason=ERR_R_BIO_LIB;
+ BIGNUM *pub_key=NULL;
+ BN_CTX *ctx=NULL;
+
+ if (!x || !x->group)
+ {
+ reason = ERR_R_PASSED_NULL_PARAMETER;
+ goto err;
+ }
+
+ if ((pub_key = EC_POINT_point2bn(x->group, x->pub_key,
+ x->conv_form, NULL, ctx)) == NULL)
+ {
+ reason = ERR_R_EC_LIB;
+ goto err;
+ }
+
+ buf_len = (size_t)BN_num_bytes(pub_key);
+ if (x->priv_key)
+ {
+ if ((i = (size_t)BN_num_bytes(x->priv_key)) > buf_len)
+ buf_len = i;
+ }
+
+ buf_len += 10;
+ if ((buffer = OPENSSL_malloc(buf_len)) == NULL)
+ {
+ reason = ERR_R_MALLOC_FAILURE;
+ goto err;
+ }
+ if (off)
+ {
+ if (off > 128) off=128;
+ memset(str,' ',off);
+ }
+ if (x->priv_key != NULL)
+ {
+ if (off && (BIO_write(bp, str, off) <= 0)) goto err;
+ if (BIO_printf(bp, "Private-Key: (%d bit)\n",
+ BN_num_bits(x->priv_key)) <= 0) goto err;
+ }
+
+ if ((x->priv_key != NULL) && !print(bp, "priv:", x->priv_key,
+ buffer, off))
+ goto err;
+ if ((pub_key != NULL) && !print(bp, "pub: ", pub_key,
+ buffer, off))
+ goto err;
+ if (!ECPKParameters_print(bp, x->group, off))
+ goto err;
+ ret=1;
+err:
+ if (!ret)
+ ECerr(EC_F_EC_KEY_PRINT, reason);
+ if (pub_key)
+ BN_free(pub_key);
+ if (ctx)
+ BN_CTX_free(ctx);
+ if (buffer != NULL)
+ OPENSSL_free(buffer);
+ return(ret);
+ }
+#endif /* OPENSSL_NO_EC */