openssl (version 0.9.5)

cert_verify: X509 certificates

Description

Read, download, analyize and verify X.509 certificates.

Usage

cert_verify(cert, root = ca_bundle())
download_ssl_cert(host = "localhost", port = 443)
ca_bundle()

Arguments

cert
certficate (or certificate-chain) to be verified. Must be cert or list or path.
root
trusted pubkey or certificate(s) e.g. CA bundle.
host
string: hostname of the server to connect to
port
string or integer: port or protocol to use, e.g: 443 or "https"

Details

If https verification fails and you can't figure out why, have a look at https://ssldecoder.org.

See Also

read_cert

Examples

Run this code
# Verify the r-project HTTPS cert
chain <- download_ssl_cert("www.r-project.org", 443)
print(chain)
print(as.list(chain[[1]])$pubkey)
cert_verify(chain, ca_bundle())

# Another example
chain <- download_ssl_cert("public.opencpu.org")
ocpu <- chain[[1]]
as.list(ocpu)$subject

# Write PEM format
write_pem(ocpu)

Run the code above in your browser using DataCamp Workspace