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D2I_X509_ALGOR(3) Library Functions Manual D2I_X509_ALGOR(3)

d2i_X509_ALGOR, i2d_X509_ALGOR, d2i_X509_ALGORS, i2d_X509_ALGORSdecode and encode algorithm identifiers

#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);

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

() and () 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).

ASN1_item_d2i(3), STACK_OF(3), X509_ALGOR_new(3)

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

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.

November 3, 2021 OpenBSD-7.1