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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/doc/crypto/d2i_DSAPublicKey.pod | |
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Diffstat (limited to 'openssl/doc/crypto/d2i_DSAPublicKey.pod')
-rw-r--r-- | openssl/doc/crypto/d2i_DSAPublicKey.pod | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/openssl/doc/crypto/d2i_DSAPublicKey.pod b/openssl/doc/crypto/d2i_DSAPublicKey.pod new file mode 100644 index 000000000..22c1b50f2 --- /dev/null +++ b/openssl/doc/crypto/d2i_DSAPublicKey.pod @@ -0,0 +1,83 @@ +=pod + +=head1 NAME + +d2i_DSAPublicKey, i2d_DSAPublicKey, d2i_DSAPrivateKey, i2d_DSAPrivateKey, +d2i_DSA_PUBKEY, i2d_DSA_PUBKEY, d2i_DSA_SIG, i2d_DSA_SIG - DSA key encoding +and parsing functions. + +=head1 SYNOPSIS + + #include <openssl/dsa.h> + #include <openssl/x509.h> + + DSA * d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length); + + int i2d_DSAPublicKey(const DSA *a, unsigned char **pp); + + DSA * d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length); + + int i2d_DSA_PUBKEY(const DSA *a, unsigned char **pp); + + DSA * d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length); + + int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp); + + DSA * d2i_DSAparams(DSA **a, const unsigned char **pp, long length); + + int i2d_DSAparams(const DSA *a, unsigned char **pp); + + DSA * d2i_DSA_SIG(DSA_SIG **a, const unsigned char **pp, long length); + + int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp); + +=head1 DESCRIPTION + +d2i_DSAPublicKey() and i2d_DSAPublicKey() decode and encode the DSA public key +components structure. + +d2i_DSA_PUBKEY() and i2d_DSA_PUBKEY() decode and encode an DSA public key using +a SubjectPublicKeyInfo (certificate public key) structure. + +d2i_DSAPrivateKey(), i2d_DSAPrivateKey() decode and encode the DSA private key +components. + +d2i_DSAparams(), i2d_DSAparams() decode and encode the DSA parameters using +a B<Dss-Parms> structure as defined in RFC2459. + +d2i_DSA_SIG(), i2d_DSA_SIG() decode and encode a DSA signature using a +B<Dss-Sig-Value> structure as defined in RFC2459. + +The usage of all of these functions is similar to the d2i_X509() and +i2d_X509() described in the L<d2i_X509(3)|d2i_X509(3)> manual page. + +=head1 NOTES + +The B<DSA> structure passed to the private key encoding functions should have +all the private key components present. + +The data encoded by the private key functions is unencrypted and therefore +offers no private key security. + +The B<DSA_PUBKEY> functions should be used in preference to the B<DSAPublicKey> +functions when encoding public keys because they use a standard format. + +The B<DSAPublicKey> functions use an non standard format the actual data encoded +depends on the value of the B<write_params> field of the B<a> key parameter. +If B<write_params> is zero then only the B<pub_key> field is encoded as an +B<INTEGER>. If B<write_params> is 1 then a B<SEQUENCE> consisting of the +B<p>, B<q>, B<g> and B<pub_key> respectively fields are encoded. + +The B<DSAPrivateKey> functions also use a non standard structure consiting +consisting of a SEQUENCE containing the B<p>, B<q>, B<g> and B<pub_key> and +B<priv_key> fields respectively. + +=head1 SEE ALSO + +L<d2i_X509(3)|d2i_X509(3)> + +=head1 HISTORY + +TBA + +=cut |