X509_OCSPID_PRINT(3)       Library Functions Manual       X509_OCSPID_PRINT(3)

NAME
     X509_ocspid_print - pretty-print hashes of subject name and public key

SYNOPSIS
     #include <openssl/x509.h>

     int
     X509_ocspid_print(BIO *bio, X509 *issuer);

DESCRIPTION
     X509_ocspid_print() produces human-readable output to bio containing
     hexadecimal representations of SHA-1 hashes of the DER-encoded forms of
     the subject name and the public key of the issuer certificate, as these
     hashes appear in OCSP requests.

RETURN VALUES
     X509_ocspid_print() returns 1 for success or 0 for failure.

EXAMPLES
     This function is used by the -ocspid flag of the openssl(1) x509 command.

SEE ALSO
     EVP_sha1(3), i2d_X509_NAME(3), OCSP_cert_to_id(3), OCSP_REQUEST_new(3),
     X509_get_pubkey(3), X509_get_subject_name(3)

HISTORY
     X509_ocspid_print() first appeared in OpenSSL 0.9.7 and has been
     available since OpenBSD 3.2.

Linux 6.13.7-arch1-1            August 6, 2021            Linux 6.13.7-arch1-1