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D2I_ESS_SIGNING_CERT(3) Library Functions Manual D2I_ESS_SIGNING_CERT(3)

d2i_ESS_SIGNING_CERT, i2d_ESS_SIGNING_CERT, d2i_ESS_CERT_ID, i2d_ESS_CERT_ID, d2i_ESS_ISSUER_SERIAL, i2d_ESS_ISSUER_SERIALdecode and encode signing certificates for S/MIME

#include <openssl/ts.h>

ESS_SIGNING_CERT *
d2i_ESS_SIGNING_CERT(ESS_SIGNING_CERT **val_out, const unsigned char **der_in, long length);

int
i2d_ESS_SIGNING_CERT(const ESS_SIGNING_CERT *val_in, unsigned char **der_out);

ESS_CERT_ID *
d2i_ESS_CERT_ID(ESS_CERT_ID **val_out, const unsigned char **der_in, long length);

int
i2d_ESS_CERT_ID(const ESS_CERT_ID *val_in, unsigned char **der_out);

ESS_ISSUER_SERIAL *
d2i_ESS_ISSUER_SERIAL(ESS_ISSUER_SERIAL **val_out, const unsigned char **der_in, long length);

int
i2d_ESS_ISSUER_SERIAL(const ESS_ISSUER_SERIAL *val_in, unsigned char **der_out);

These functions decode and encode signing certificate attribute structures. For details about the semantics, examples, caveats, and bugs, see ASN1_item_d2i(3).

() and () decode and encode an ASN.1 SigningCertificate structure defined in RFC 2634 section 5.4.

() and () decode and encode an ASN.1 ESSCertID structure defined in RFC 2634 section 5.4.1.

() and () decode and encode an ASN.1 IssuerSerial structure defined in RFC 2634 section 5.4.1.

d2i_ESS_SIGNING_CERT(), d2i_ESS_CERT_ID(), and d2i_ESS_ISSUER_SERIAL() return an ESS_SIGNING_CERT, ESS_CERT_ID, or ESS_ISSUER_SERIAL object, respectively, or NULL if an error occurs.

i2d_ESS_SIGNING_CERT(), i2d_ESS_CERT_ID(), and i2d_ESS_ISSUER_SERIAL() return the number of bytes successfully encoded or a negative value if an error occurs.

ASN1_item_d2i(3), ESS_SIGNING_CERT_new(3)

RFC 2634: Enhanced Security Services for S/MIME, section 5: Signing Certificate Attribute

These functions first appeared in OpenSSL 1.0.0 and have been available since OpenBSD 4.9.

March 23, 2018 OpenBSD-7.5