df4439186f
Trim trailing whitespace. It doesn't match OpenSSL coding standards, AFAICT, and it can cause problems with git tooling. Trailing whitespace remains in test data and external source. Reviewed-by: Kurt Roeckx <kurt@roeckx.be> Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/8092)
80 lines
2.7 KiB
Text
80 lines
2.7 KiB
Text
=pod
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=head1 NAME
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EVP_PKEY_asn1_find,
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EVP_PKEY_asn1_find_str,
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EVP_PKEY_asn1_get_count,
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EVP_PKEY_asn1_get0,
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EVP_PKEY_asn1_get0_info
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- enumerate public key ASN.1 methods
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=head1 SYNOPSIS
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#include <openssl/evp.h>
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int EVP_PKEY_asn1_get_count(void);
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const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
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const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
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const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
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const char *str, int len);
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int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id,
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int *ppkey_flags, const char **pinfo,
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const char **ppem_str,
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const EVP_PKEY_ASN1_METHOD *ameth);
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=head1 DESCRIPTION
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EVP_PKEY_asn1_count() returns a count of the number of public key
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ASN.1 methods available: it includes standard methods and any methods
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added by the application.
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EVP_PKEY_asn1_get0() returns the public key ASN.1 method B<idx>.
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The value of B<idx> must be between zero and EVP_PKEY_asn1_get_count()
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- 1.
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EVP_PKEY_asn1_find() looks up the B<EVP_PKEY_ASN1_METHOD> with NID
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B<type>.
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If B<pe> isn't B<NULL>, then it will look up an engine implementing a
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B<EVP_PKEY_ASN1_METHOD> for the NID B<type> and return that instead,
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and also set B<*pe> to point at the engine that implements it.
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EVP_PKEY_asn1_find_str() looks up the B<EVP_PKEY_ASN1_METHOD> with PEM
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type string B<str>.
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Just like EVP_PKEY_asn1_find(), if B<pe> isn't B<NULL>, then it will
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look up an engine implementing a B<EVP_PKEY_ASN1_METHOD> for the NID
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B<type> and return that instead, and also set B<*pe> to point at the
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engine that implements it.
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EVP_PKEY_asn1_get0_info() returns the public key ID, base public key
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ID (both NIDs), any flags, the method description and PEM type string
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associated with the public key ASN.1 method B<*ameth>.
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EVP_PKEY_asn1_count(), EVP_PKEY_asn1_get0(), EVP_PKEY_asn1_find() and
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EVP_PKEY_asn1_find_str() are not thread safe, but as long as all
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B<EVP_PKEY_ASN1_METHOD> objects are added before the application gets
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threaded, using them is safe. See L<EVP_PKEY_asn1_add0(3)>.
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=head1 RETURN VALUES
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EVP_PKEY_asn1_count() returns the number of available public key methods.
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EVP_PKEY_asn1_get0() return a public key method or B<NULL> if B<idx> is
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out of range.
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EVP_PKEY_asn1_get0_info() returns 0 on failure, 1 on success.
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=head1 SEE ALSO
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L<EVP_PKEY_asn1_new(3)>, L<EVP_PKEY_asn1_add0(3)>
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=head1 COPYRIGHT
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Copyright 2017 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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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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