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EVP_PKEY_new.3

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.IX Title "EVP_PKEY_new 3"
.TH EVP_PKEY_new 3 "2019-12-20" "1.0.2u" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
EVP_PKEY_new, EVP_PKEY_free \- private key allocation functions.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/evp.h>
\&
\& EVP_PKEY *EVP_PKEY_new(void);
\& void EVP_PKEY_free(EVP_PKEY *key);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The \fBEVP_PKEY_new()\fR function allocates an empty \fB\s-1EVP_PKEY\s0\fR 
structure which is used by OpenSSL to store private keys.
.PP
\&\fBEVP_PKEY_free()\fR frees up the private key \fBkey\fR.
.SH "NOTES"
.IX Header "NOTES"
The \fB\s-1EVP_PKEY\s0\fR structure is used by various OpenSSL functions
which require a general private key without reference to any
particular algorithm.
.PP
The structure returned by \fBEVP_PKEY_new()\fR is empty. To add a
private key to this empty structure the functions described in
\&\fBEVP_PKEY_set1_RSA\fR\|(3) should be used.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBEVP_PKEY_new()\fR returns either the newly allocated \fB\s-1EVP_PKEY\s0\fR
structure of \fB\s-1NULL\s0\fR if an error occurred.
.PP
\&\fBEVP_PKEY_free()\fR does not return a value.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBEVP_PKEY_set1_RSA\fR\|(3)
.SH "HISTORY"
.IX Header "HISTORY"
\&\s-1TBA\s0

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