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05ea606a25
Fix some code examples, trailing whitespace Fix TBA sections in verify, remove others. Remove empty sections Use Mixed Case not ALL CAPS in head2 Enhance doc-nits script. Remove extra =cut line Reviewed-by: Richard Levitte <levitte@openssl.org>
97 lines
3.1 KiB
Plaintext
97 lines
3.1 KiB
Plaintext
=pod
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=head1 NAME
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d2i_DSAPublicKey, i2d_DSAPublicKey, d2i_DSAPrivateKey, i2d_DSAPrivateKey,
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d2i_DSA_PUBKEY, i2d_DSA_PUBKEY, d2i_DSAparams, i2d_DSAparams,
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d2i_DSA_SIG, i2d_DSA_SIG - DSA key encoding and parsing functions.
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=head1 SYNOPSIS
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#include <openssl/dsa.h>
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#include <openssl/x509.h>
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DSA * d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length);
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int i2d_DSAPublicKey(const DSA *a, unsigned char **pp);
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DSA * d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length);
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int i2d_DSA_PUBKEY(const DSA *a, unsigned char **pp);
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DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa);
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DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa);
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int i2d_DSA_PUBKEY_bio(BIO *bp, DSA *dsa);
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int i2d_DSA_PUBKEY_fp(FILE *fp, DSA *dsa);
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DSA * d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length);
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int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp);
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DSA * d2i_DSAparams(DSA **a, const unsigned char **pp, long length);
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int i2d_DSAparams(const DSA *a, unsigned char **pp);
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DSA * d2i_DSA_SIG(DSA_SIG **a, const unsigned char **pp, long length);
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int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp);
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=head1 DESCRIPTION
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d2i_DSAPublicKey() and i2d_DSAPublicKey() decode and encode the DSA public key
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components structure.
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d2i_DSA_PUBKEY() and i2d_DSA_PUBKEY() decode and encode an DSA public key using
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a SubjectPublicKeyInfo (certificate public key) structure.
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d2i_DSA_PUBKEY_bio(), d2i_DSA_PUBKEY_fp(), i2d_DSA_PUBKEY_bio() and
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i2d_DSA_PUBKEY_fp() are similar to d2i_DSA_PUBKEY() and i2d_DSA_PUBKEY()
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except they decode or encode using a B<BIO> or B<FILE> pointer.
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d2i_DSAPrivateKey(), i2d_DSAPrivateKey() decode and encode the DSA private key
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components.
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d2i_DSAparams(), i2d_DSAparams() decode and encode the DSA parameters using
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a B<Dss-Parms> structure as defined in RFC2459.
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d2i_DSA_SIG(), i2d_DSA_SIG() decode and encode a DSA signature using a
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B<Dss-Sig-Value> structure as defined in RFC2459.
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The usage of all of these functions is similar to the d2i_X509() and
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i2d_X509() described in the L<d2i_X509(3)> manual page.
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=head1 NOTES
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The B<DSA> structure passed to the private key encoding functions should have
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all the private key components present.
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The data encoded by the private key functions is unencrypted and therefore
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offers no private key security.
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The B<DSA_PUBKEY> functions should be used in preference to the B<DSAPublicKey>
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functions when encoding public keys because they use a standard format.
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The B<DSAPublicKey> functions use a non standard format which is a
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B<SEQUENCE> consisting of the B<p>, B<q>, B<g> and B<pub_key> fields
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respectively.
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The B<DSAPrivateKey> functions also use a non standard structure consisting
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consisting of a SEQUENCE containing the B<p>, B<q>, B<g> and B<pub_key> and
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B<priv_key> fields respectively.
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=head1 SEE ALSO
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L<d2i_X509(3)>
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=head1 COPYRIGHT
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Copyright 2002-2016 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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