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D2I_OCSP_RESPONSE(3) Library Functions Manual D2I_OCSP_RESPONSE(3)

d2i_OCSP_RESPONSE, i2d_OCSP_RESPONSE, d2i_OCSP_RESPBYTES, i2d_OCSP_RESPBYTES, d2i_OCSP_BASICRESP, i2d_OCSP_BASICRESP, d2i_OCSP_RESPDATA, i2d_OCSP_RESPDATA, d2i_OCSP_RESPID, i2d_OCSP_RESPID, d2i_OCSP_SINGLERESP, i2d_OCSP_SINGLERESP, d2i_OCSP_CERTSTATUS, i2d_OCSP_CERTSTATUS, d2i_OCSP_REVOKEDINFO, i2d_OCSP_REVOKEDINFO, d2i_OCSP_CRLID, i2d_OCSP_CRLIDdecode and encode OCSP responses

#include <openssl/ocsp.h>

OCSP_RESPONSE *
d2i_OCSP_RESPONSE(OCSP_RESPONSE **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_RESPONSE(OCSP_RESPONSE *val_in, unsigned char **der_out);

OCSP_RESPBYTES *
d2i_OCSP_RESPBYTES(OCSP_RESPBYTES **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_RESPBYTES(OCSP_RESPBYTES *val_in, unsigned char **der_out);

OCSP_BASICRESP *
d2i_OCSP_BASICRESP(OCSP_BASICRESP **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_BASICRESP(OCSP_BASICRESP *val_in, unsigned char **der_out);

OCSP_RESPDATA *
d2i_OCSP_RESPDATA(OCSP_RESPDATA **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_RESPDATA(OCSP_RESPDATA *val_in, unsigned char **der_out);

OCSP_RESPID *
d2i_OCSP_RESPID(OCSP_RESPID **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_RESPID(OCSP_RESPID *val_in, unsigned char **der_out);

OCSP_SINGLERESP *
d2i_OCSP_SINGLERESP(OCSP_SINGLERESP **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_SINGLERESP(OCSP_SINGLERESP *val_in, unsigned char **der_out);

OCSP_CERTSTATUS *
d2i_OCSP_CERTSTATUS(OCSP_CERTSTATUS **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_CERTSTATUS(OCSP_CERTSTATUS *val_in, unsigned char **der_out);

OCSP_REVOKEDINFO *
d2i_OCSP_REVOKEDINFO(OCSP_REVOKEDINFO **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_REVOKEDINFO(OCSP_REVOKEDINFO *val_in, unsigned char **der_out);

OCSP_CRLID *
d2i_OCSP_CRLID(OCSP_CRLID **val_out, const unsigned char **der_in, long length);

int
i2d_OCSP_CRLID(OCSP_CRLID *val_in, unsigned char **der_out);

These functions decode and encode ASN.1 structures used for OCSP responses. For details about the semantics, examples, caveats, and bugs, see ASN1_item_d2i(3).

() and () decode and encode an ASN.1 OCSPResponse structure defined in RFC 6960 section 4.2.1.

() and () decode and encode an ASN.1 ResponseBytes structure defined in RFC 6960 section 4.2.1.

() and () decode and encode an ASN.1 BasicOCSPResponse structure defined in RFC 6960 section 4.2.1.

() and () decode and encode an ASN.1 ResponseData structure defined in RFC 6960 section 4.2.1.

() and () decode and encode an ASN.1 ResponderID structure defined in RFC 6960 section 4.2.1.

() and () decode and encode an ASN.1 SingleResponse structure defined in RFC 6960 section 4.2.1.

() and () decode and encode an ASN.1 CertStatus structure defined in RFC 6960 section 4.2.1.

() and () decode and encode an ASN.1 RevokedInfo structure defined in RFC 6960 section 4.2.1.

() and () decode and encode an ASN.1 CrlID structure defined in RFC 6960 section 4.4.2.

d2i_OCSP_RESPONSE(), d2i_OCSP_RESPBYTES(), d2i_OCSP_BASICRESP(), d2i_OCSP_RESPDATA(), d2i_OCSP_RESPID(), d2i_OCSP_SINGLERESP(), d2i_OCSP_CERTSTATUS(), d2i_OCSP_REVOKEDINFO(), and d2i_OCSP_CRLID() return an object of the respective type or NULL if an error occurs.

i2d_OCSP_RESPONSE(), i2d_OCSP_RESPBYTES(), i2d_OCSP_BASICRESP(), i2d_OCSP_RESPDATA(), i2d_OCSP_RESPID(), i2d_OCSP_SINGLERESP(), i2d_OCSP_CERTSTATUS(), i2d_OCSP_REVOKEDINFO(), and i2d_OCSP_CRLID() return the number of bytes successfully encoded or a negative value if an error occurs.

ASN1_item_d2i(3), OCSP_CRLID_new(3), OCSP_REQUEST_new(3), OCSP_RESPONSE_new(3), OCSP_SINGLERESP_new(3)

RFC 6960: X.509 Internet Public Key Infrastructure Online Certificate Status Protocol, section 4.2: Response Syntax

These functions first appeared in OpenSSL 0.9.7 and have been available since OpenBSD 3.2.

March 12, 2021 OpenBSD-7.4