Issuer Alternative Name
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Issuer Alternative Name (IAN) is an extension to X.509v3 that allows multiple values to be added to X509 security certificates. While the Subject Alternative Name (SAN) field specifies additional values (such as host names and IP addresses) that can be associated with the certificate subject[1], the Issuer Alternative Name (IAN) field generally provides additional or alternative values for the certificate issuer (Distinguished Name)[2][3] or CRL (certificate revocation list)[4][5]. Values for Issuer Alternative Name (issuserAltName) tend to match the Subject Alternative Name of the parent certificate[6], and may include (but not be limited to):
- DNS names
- Hostnames
- IP addresses
- E-mail addresses
- URIs
- And other applicable values[7]
References[edit]
- ↑ "/docs/man1.0.2/man5/x509v3_config.html". www.openssl.org. Retrieved 2023-01-12.
- ↑ "IssuerAltName (6.0 API Documentation)". javadoc.iaik.tugraz.at. Retrieved 2023-01-12.
- ↑ "X.509 extensions (GnuTLS 3.7.8)". www.gnutls.org. Retrieved 2023-01-12.
- ↑ "What Is a Certificate Revocation List (CRL) and How Is It Used?". Security. Retrieved 2023-01-14.
- ↑ "OID description for 2.5.29.18 - Issuer Alternative Name". www.alvestrand.no. Retrieved 2023-01-14.
- ↑ "certificates - X509 CertificatePolicies, IssuerAlternativeNames, BasicConstraints extensions. What is done when Issuer signs?". Cryptography Stack Exchange. Retrieved 2023-01-14.
- ↑ "/docs/man1.0.2/man5/x509v3_config.html". www.openssl.org. Retrieved 2023-01-12.
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