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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" d2i_DSAPublicKey, i2d_DSAPublicKey, d2i_DSAPrivateKey, i2d_DSAPrivateKey, d2i_DSA_PUBKEY, i2d_DSA_PUBKEY, d2i_DSAparams, i2d_DSAparams, d2i_DSA_SIG, i2d_DSA_SIG \- DSA key encoding and parsing functions. .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 2 \& #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); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBd2i_DSAPublicKey()\fR and \fBi2d_DSAPublicKey()\fR decode and encode the \s-1DSA\s0 public key components structure. .PP \&\fBd2i_DSA_PUBKEY()\fR and \fBi2d_DSA_PUBKEY()\fR decode and encode an \s-1DSA\s0 public key using a SubjectPublicKeyInfo (certificate public key) structure. .PP \&\fBd2i_DSAPrivateKey()\fR, \fBi2d_DSAPrivateKey()\fR decode and encode the \s-1DSA\s0 private key components. .PP \&\fBd2i_DSAparams()\fR, \fBi2d_DSAparams()\fR decode and encode the \s-1DSA\s0 parameters using a \fBDss-Parms\fR structure as defined in \s-1RFC2459.\s0 .PP \&\fBd2i_DSA_SIG()\fR, \fBi2d_DSA_SIG()\fR decode and encode a \s-1DSA\s0 signature using a \&\fBDss-Sig-Value\fR structure as defined in \s-1RFC2459.\s0 .PP The usage of all of these functions is similar to the \fBd2i_X509()\fR and \&\fBi2d_X509()\fR described in the \fBd2i_X509\fR\|(3) manual page. .\" Oracle has added the ARC stability level to this manual page .SH ATTRIBUTES See .BR attributes (7) for descriptions of the following attributes: .sp .TS box; cbp-1 | cbp-1 l | l . ATTRIBUTE TYPE ATTRIBUTE VALUE = Availability library/security/openssl = Stability Pass-through uncommitted .TE .PP .SH "NOTES" .IX Header "NOTES" The \fB\s-1DSA\s0\fR structure passed to the private key encoding functions should have all the private key components present. .PP The data encoded by the private key functions is unencrypted and therefore offers no private key security. .PP The \fB\s-1DSA_PUBKEY\s0\fR functions should be used in preference to the \fBDSAPublicKey\fR functions when encoding public keys because they use a standard format. .PP The \fBDSAPublicKey\fR functions use an non standard format the actual data encoded depends on the value of the \fBwrite_params\fR field of the \fBa\fR key parameter. If \fBwrite_params\fR is zero then only the \fBpub_key\fR field is encoded as an \&\fB\s-1INTEGER\s0\fR. If \fBwrite_params\fR is 1 then a \fB\s-1SEQUENCE\s0\fR consisting of the \&\fBp\fR, \fBq\fR, \fBg\fR and \fBpub_key\fR respectively fields are encoded. .PP The \fBDSAPrivateKey\fR functions also use a non standard structure consiting consisting of a \s-1SEQUENCE\s0 containing the \fBp\fR, \fBq\fR, \fBg\fR and \fBpub_key\fR and \&\fBpriv_key\fR fields respectively. .\" Oracle has added source availability information to this manual page Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source-code-downloads.html. This software was built from source available at https://github.com/oracle/solaris-userland. The original community source was downloaded from https://www.openssl.org/source/openssl-1.0.2zi.tar.gz. Further information about this software can be found on the open source community website at https://www.openssl.org/. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBd2i_X509\fR\|(3) .SH "HISTORY" .IX Header "HISTORY" \&\s-1TBA\s0