gnutls_certificate_set_x509_simple_pkcs12_file - Linux


gnutls_certificate_set_x509_simple_pkcs12_file is a command for setting a certificate in a certificate chain from a PKCS#12 file with a single certificate and key pair in PEM format. It is particularly useful when managing TLS/SSL certificates and configuring secure connections.


gnutls_certificate_set_x509_simple_pkcs12_file [OPTIONS] CERT_FILE PASSWORD CRED


  • -v, –verbose: Enable verbose output.
  • -q, –quiet: Suppress all output.
  • -h, –help: Print help information and exit.
  • -i, –issuer: Set the issuer certificate from a file.


Simple Usage:

gnutls_certificate_set_x509_simple_pkcs12_file cert.p12 password my_cred

Setting Issuer Certificate:

gnutls_certificate_set_x509_simple_pkcs12_file -i issuer.crt cert.p12 password my_cred

Common Issues

  • Invalid Password: Ensure that the password provided matches the one used to encrypt the PKCS#12 file.
  • Missing Issuer Certificate: If the PKCS#12 file does not include the issuer certificate, use the -i option to set it manually.


Example Script:


# Read password from file
password=$(cat password.txt)

# Set certificate
gnutls_certificate_set_x509_simple_pkcs12_file cert.p12 "$password" my_cred

# Use certificate with GnuTLS session
gnutls-cli --certificate-file my_cred ...

Related Commands

  • gnutls_certificate_set_x509: Set a certificate in a certificate chain from a PEM-encoded file.
  • openssl: A comprehensive toolkit for cryptography and SSL/TLS.
  • certbot: A tool for automating the issuance and renewal of TLS/SSL certificates.