This tool uses the LE CA and the ACME protocol to generate a certificate, CSR, and sign it. If you already have a CSR that can be used as well.
Installation can be done with go get
go get -u github.com/denkhaus/lecertNote that should you need to include the full certificate chain, the --chain option will include ALL LetsEncrypt certificates in the output.
You will need to temporarily make port 80 available and have sudo/root access to the server your domain(s) point to.
lecert generate --chain example.com
# example.com.crt.pem and example.com.key.pem should be in the current directoryYou can now move and/or reference example.com.crt.pem and example.com.key.pem from your TLS services.
When using an existing CSR, the tool will automatically use the CommonName, so the domain name doesn't need to be specified.
lecert sign ./example.csr
# example.com.crt.pem should be in the current directoryThe full set of options can be printed by running lecert help
Simple utility for generating signed TLS certificates.
Usage:
lecert [command]
Available Commands:
generate Generate and sign new certificate(s).
sign Fulfill existing CSR(s).
verify Verify existing certificate(s).
renew Renew existing certificate(s).
ensure Create non existing certificate(s) or renew if necessary.
Flags:
-k, --account-key string ACME account key (PEM format). The account key to use with this CA. If it doesn't exist, one will be generated. (default "acme.key")
-u, --acme-url string ACME URL. URL to the ACME directory to use. (default "https://acme-v01.api.letsencrypt.org/directory")
-b, --bind string Bind address. The binding address:port for the server. Note, port 80 on the domain(s) must be mapped to this address. (default ":80")
--bits int Bits for RSA key generation. (default 4096)
--chain Include full chain. If set, download and include all LE certificates in the chain.
-h, --help help for lecert
-d, --output-dir string Output directory. Certificates and keys will be stored here. (default ".")
-r, --root-path string Path used by webroot mode.
--standalone Standalone mode provides a buildin webserver for challenge handling listening on specified bindaddress. (default true)
-v, --verbose Verbose mode. Logs extra messages for debugging.
--webroot Webroot mode uses the provided root-path for challenge handling.
Use "lecert [command] --help" for more information about a command.
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