1 /* crypto/ec/ec_cvt.c */
2 /* ====================================================================
3 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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10 * notice, this list of conditions and the following disclaimer.
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13 * notice, this list of conditions and the following disclaimer in
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19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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48 * ====================================================================
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
59 EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
61 const EC_METHOD *meth;
64 /* Finally, this will use EC_GFp_nist_method if 'p' is a special
65 * prime with optimized modular arithmetics (for NIST curves)
66 * and EC_GFp_mont_method or EC_GFp_recp_method otherwise. */
67 meth = EC_GFp_simple_method();
69 ret = EC_GROUP_new(meth);
73 if (!EC_GROUP_set_curve_GFp(ret, p, a, b, ctx))
75 EC_GROUP_clear_free(ret);