Struct sequoia_openpgp::cert::raw::RawCertParser
source · pub struct RawCertParser<'a> { /* private fields */ }
Expand description
An iterator over a sequence of unparsed certificates, i.e., an OpenPGP keyring.
A RawCertParser
returns each certificate that it encounters.
It implements the same state machine as CertParser
, however, a
CertParser
is stricter. Specifically, a CertParser
performs
some sanity checks on the content of the packets whereas a
RawCertParser
doesn’t do those checks, because it avoids parsing
the packets’ contents; it primarily looks at the packets’ framing,
and their headers.
RawCertParser
checks that the packet sequence is well formed in
the sense that the sequence of tags conforms to the Transferable
Public Key grammar or Transferable Secret Key grammar, and it
performs a few basic checks. See the documentation for
RawCert
for details.
Because a RawCertParser
doesn’t parse the contents of the
packets, it is significantly faster than a CertParser
when
many of the certificates in a keyring are irrelevant.
Examples
Search for a specific certificate in a keyring:
use sequoia_openpgp as openpgp;
use openpgp::cert::prelude::*;
use openpgp::cert::raw::RawCertParser;
use openpgp::parse::Parse;
for cert in RawCertParser::from_bytes(&bytes)? {
/// Ignore corrupt and invalid certificates.
let cert = if let Ok(cert) = cert {
cert
} else {
continue;
};
if cert.fingerprint() == fpr {
// Found it! Try to convert it to a Cert.
if let cert = Cert::try_from(cert) {
return cert;
}
}
}
// Not found.
return Err(anyhow::anyhow!("Not found!").into());
Trait Implementations§
source§impl<'a> Iterator for RawCertParser<'a>
impl<'a> Iterator for RawCertParser<'a>
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