df75c2bfcd
While stereotyped repetitions are frowned upon in literature, they serve a useful purpose in manual pages, because it is easier for the user to find certain information if it is always presented in the same way. For that reason, this commit harmonizes the varying formulations in the HISTORY section about which functions, flags, etc. were added in which OpenSSL version. It also attempts to make the pod files more grep friendly by avoiding to insert line breaks between the symbol names and the corresponding version number in which they were introduced (wherever possible). Some punctuation and typographical errors were fixed on the way. Reviewed-by: Tim Hudson <tjh@openssl.org> (Merged from https://github.com/openssl/openssl/pull/7854)
61 lines
2 KiB
Text
61 lines
2 KiB
Text
=pod
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=head1 NAME
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EVP_PKEY_print_public, EVP_PKEY_print_private, EVP_PKEY_print_params - public key algorithm printing routines
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=head1 SYNOPSIS
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#include <openssl/evp.h>
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int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);
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int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);
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int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
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int indent, ASN1_PCTX *pctx);
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=head1 DESCRIPTION
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The functions EVP_PKEY_print_public(), EVP_PKEY_print_private() and
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EVP_PKEY_print_params() print out the public, private or parameter components
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of key B<pkey> respectively. The key is sent to BIO B<out> in human readable
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form. The parameter B<indent> indicated how far the printout should be indented.
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The B<pctx> parameter allows the print output to be finely tuned by using
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ASN1 printing options. If B<pctx> is set to NULL then default values will
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be used.
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=head1 NOTES
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Currently no public key algorithms include any options in the B<pctx> parameter.
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If the key does not include all the components indicated by the function then
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only those contained in the key will be printed. For example passing a public
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key to EVP_PKEY_print_private() will only print the public components.
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=head1 RETURN VALUES
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These functions all return 1 for success and 0 or a negative value for failure.
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In particular a return value of -2 indicates the operation is not supported by
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the public key algorithm.
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=head1 SEE ALSO
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L<EVP_PKEY_CTX_new(3)>,
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L<EVP_PKEY_keygen(3)>
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=head1 HISTORY
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These functions were added in OpenSSL 1.0.0.
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=head1 COPYRIGHT
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Copyright 2006-2017 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (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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