Latest update (add quic)
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@@ -8,6 +8,8 @@ EC_GFp_simple_method, EC_GFp_mont_method, EC_GFp_nist_method, EC_GFp_nistp224_me
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#include <openssl/ec.h>
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Deprecated since OpenSSL 3.0:
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const EC_METHOD *EC_GFp_simple_method(void);
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const EC_METHOD *EC_GFp_mont_method(void);
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const EC_METHOD *EC_GFp_nist_method(void);
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@@ -21,6 +23,10 @@ EC_GFp_simple_method, EC_GFp_mont_method, EC_GFp_nist_method, EC_GFp_nistp224_me
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=head1 DESCRIPTION
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All const EC_METHOD *EC_GF* functions were deprecated in OpenSSL 3.0, since
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EC_METHOD is no longer a public concept.
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The Elliptic Curve library provides a number of different implementations through a single common interface.
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When constructing a curve using EC_GROUP_new (see L<EC_GROUP_new(3)>) an
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implementation method must be provided. The functions described here all return a const pointer to an
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@@ -39,10 +45,8 @@ The functions EC_GFp_nistp224_method, EC_GFp_nistp256_method and EC_GFp_nistp521
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optimised implementations for the NIST P224, P256 and P521 curves respectively. Note, however, that these
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implementations are not available on all platforms.
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EC_METHOD_get_field_type identifies what type of field the EC_METHOD structure supports, which will be either
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F2^m or Fp. If the field type is Fp then the value B<NID_X9_62_prime_field> is returned. If the field type is
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F2^m then the value B<NID_X9_62_characteristic_two_field> is returned. These values are defined in the
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obj_mac.h header file.
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EC_METHOD_get_field_type() was deprecated in OpenSSL 3.0.
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Applications should use EC_GROUP_get_field_type() as a replacement (see L<EC_GROUP_copy(3)>).
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=head1 RETURN VALUES
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@@ -57,9 +61,17 @@ L<EC_POINT_new(3)>, L<EC_POINT_add(3)>, L<EC_KEY_new(3)>,
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L<d2i_ECPKParameters(3)>,
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L<BN_mod_mul_montgomery(3)>
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=head1 HISTORY
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EC_GFp_simple_method(), EC_GFp_mont_method(void),
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EC_GFp_nist_method(), EC_GFp_nistp224_method(),
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EC_GFp_nistp256_method(), EC_GFp_nistp521_method(),
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EC_GF2m_simple_method(), and EC_METHOD_get_field_type()
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were deprecated in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2013-2017 The OpenSSL Project Authors. All Rights Reserved.
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Copyright 2013-2020 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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