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NAME

d2i_X509_ALGOR, i2d_X509_ALGOR, d2i_X509_ALGORS, i2d_X509_ALGORS — decode and encode algorithm identifiers

SYNOPSIS

#include <openssl/x509.h>

X509_ALGOR *
d2i_X509_ALGOR(X509_ALGOR **val_out, unsigned char **der_in, long length);

int
i2d_X509_ALGOR(X509_ALGOR *val_in, unsigned char **der_out);

X509_ALGORS *
d2i_X509_ALGORS(X509_ALGORS **val_out, const unsigned char **der_in, long length);

int
i2d_X509_ALGORS(X509_ALGORS *val_in, unsigned char **der_out);

DESCRIPTION

d2i_X509_ALGOR() and i2d_X509_ALGOR() decode and encode an ASN.1 AlgorithmIdentifier structure defined in RFC 5280 section 4.1.1.2.

d2i_X509_ALGORS() and i2d_X509_ALGORS() decode and encode an ASN.1 sequence of AlgorithmIdentifier structures. The data type X509_ALGORS is defined as STACK_OF(X509_ALGOR).

For details about the semantics, examples, caveats, and bugs, see ASN1_item_d2i(3).

STANDARDS

RFC 5280: Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile

HISTORY

d2i_X509_ALGOR() and i2d_X509_ALGOR() first appeared in SSLeay 0.5.1 and have been available since OpenBSD 2.4.

d2i_X509_ALGORS() and i2d_X509_ALGORS() first appeared in OpenSSL 0.9.8h and have been available since OpenBSD 4.5.