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Command: d2i_X509_EXTENSION | Section: 3 | Source: OpenBSD | File: d2i_X509_EXTENSION.3
D2I_X509_EXTENSION(3) FreeBSD Library Functions Manual D2I_X509_EXTENSION(3)
NAME
d2i_X509_EXTENSION, i2d_X509_EXTENSION, d2i_X509_EXTENSIONS,
i2d_X509_EXTENSIONS - decode and encode X.509 Extensions
SYNOPSIS
#include <openssl/x509.h>
X509_EXTENSION *
d2i_X509_EXTENSION(X509_EXTENSION **val_out,
const unsigned char **der_in, long length);
int
i2d_X509_EXTENSION(X509_EXTENSION *val_in, unsigned char **der_out);
X509_EXTENSIONS *
d2i_X509_EXTENSIONS(X509_EXTENSIONS **val_out,
const unsigned char **der_in, long length);
int
i2d_X509_EXTENSIONS(X509_EXTENSIONS *val_in, unsigned char **der_out);
DESCRIPTION
d2i_X509_EXTENSION() and i2d_X509_EXTENSION() decode and encode an ASN.1
Extension structure defined in RFC 5280 section 4.1.
d2i_X509_EXTENSIONS() and i2d_X509_EXTENSIONS() decode and encode an
ASN.1 Extensions structure defined in RFC 5280 section 4.1, which is a
SEQUENCE OF Extension.
RETURN VALUES
d2i_X509_EXTENSION() and d2i_X509_EXTENSIONS() return an X509_EXTENSION
or X509_EXTENSIONS object, respectively, or NULL if an error occurs.
i2d_X509_EXTENSION() and i2d_X509_EXTENSIONS() return the number of bytes
successfully encoded or a negative value if an error occurs.
SEE ALSO
ASN1_item_d2i(3), X509_EXTENSION_new(3), X509V3_get_d2i(3),
X509v3_get_ext_by_NID(3)
STANDARDS
RFC 5280: Internet X.509 Public Key Infrastructure Certificate and
Certificate Revocation List (CRL) Profile
HISTORY
d2i_X509_EXTENSION() and i2d_X509_EXTENSION() first appeared in SSLeay
0.6.2 and have been available since OpenBSD 2.4.
d2i_X509_EXTENSIONS() and i2d_X509_EXTENSIONS() first appeared in OpenSSL
0.9.8h and have been available since OpenBSD 4.5.
FreeBSD 14.1-RELEASE-p8 March 27, 2018 FreeBSD 14.1-RELEASE-p8