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Diffstat (limited to 'secure/lib/libcrypto/man/d2i_ECPrivateKey.3')
| -rw-r--r-- | secure/lib/libcrypto/man/d2i_ECPrivateKey.3 | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/secure/lib/libcrypto/man/d2i_ECPrivateKey.3 b/secure/lib/libcrypto/man/d2i_ECPrivateKey.3 new file mode 100644 index 0000000..52406fc --- /dev/null +++ b/secure/lib/libcrypto/man/d2i_ECPrivateKey.3 @@ -0,0 +1,200 @@ +.\" Automatically generated by Pod::Man 2.27 (Pod::Simple 3.30) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +i2d_ECPrivateKey, d2i_ECPrivate_key \- Encode and decode functions for saving and +reading EC_KEY structures +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/ec.h> +\& +\& EC_KEY *d2i_ECPrivateKey(EC_KEY **key, const unsigned char **in, long len); +\& int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out); +\& +\& unsigned int EC_KEY_get_enc_flags(const EC_KEY *key); +\& void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags); +.Ve +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +The ECPrivateKey encode and decode routines encode and parse an +\&\fB\s-1EC_KEY\s0\fR structure into a binary format (\s-1ASN.1 DER\s0) and back again. +.PP +These functions are similar to the \fId2i_X509()\fR functions, and you should refer to +that page for a detailed description (see \fId2i_X509\fR\|(3)). +.PP +The format of the external representation of the public key written by +i2d_ECPrivateKey (such as whether it is stored in a compressed form or not) is +described by the point_conversion_form. See \fIEC_GROUP_copy\fR\|(3) +for a description of point_conversion_form. +.PP +When reading a private key encoded without an associated public key (e.g. if +\&\s-1EC_PKEY_NO_PUBKEY\s0 has been used \- see below), then d2i_ECPrivateKey generates +the missing public key automatically. Private keys encoded without parameters +(e.g. if \s-1EC_PKEY_NO_PARAMETERS\s0 has been used \- see below) cannot be loaded using +d2i_ECPrivateKey. +.PP +The functions EC_KEY_get_enc_flags and EC_KEY_set_enc_flags get and set the +value of the encoding flags for the \fBkey\fR. There are two encoding flags +currently defined \- \s-1EC_PKEY_NO_PARAMETERS\s0 and \s-1EC_PKEY_NO_PUBKEY. \s0 These flags +define the behaviour of how the \fBkey\fR is converted into \s-1ASN1\s0 in a call to +i2d_ECPrivateKey. If \s-1EC_PKEY_NO_PARAMETERS\s0 is set then the public parameters for +the curve are not encoded along with the private key. If \s-1EC_PKEY_NO_PUBKEY\s0 is +set then the public key is not encoded along with the private key. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +\&\fId2i_ECPrivateKey()\fR returns a valid \fB\s-1EC_KEY\s0\fR structure or \fB\s-1NULL\s0\fR if an error +occurs. The error code that can be obtained by +\&\fIERR_get_error\fR\|(3). +.PP +\&\fIi2d_ECPrivateKey()\fR returns the number of bytes successfully encoded or a +negative value if an error occurs. The error code can be obtained by +\&\fIERR_get_error\fR\|(3). +.PP +EC_KEY_get_enc_flags returns the value of the current encoding flags for the +\&\s-1EC_KEY.\s0 +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fIcrypto\fR\|(3), \fIec\fR\|(3), \fIEC_GROUP_new\fR\|(3), +\&\fIEC_GROUP_copy\fR\|(3), \fIEC_POINT_new\fR\|(3), +\&\fIEC_POINT_add\fR\|(3), +\&\fIEC_GFp_simple_method\fR\|(3), +\&\fId2i_ECPKParameters\fR\|(3), +\&\fId2i_ECPrivateKey\fR\|(3) |
