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c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Long: cert-type Protocols: TLS Arg: Help: Certificate type (DER/PEM/ENG/P12) Category: tls Added: 7.9.3 Multi: single See-also:

• cert
• key
• key-type Example:
• --cert-type PEM --cert file $URL

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--cert-type

Set type of the provided client certificate. PEM, DER, ENG and P12 are recognized types.

The default type depends on the TLS backend and is usually PEM, however for Secure Transport and Schannel it is P12. If --cert is a pkcs11: URI then ENG is the default type.