# `ssl_crl_cache` [🔗](https://github.com/garazdawi/otp/blob/lukas/shell_docs/fix-bugs/lib/ssl/src/ssl_crl_cache.erl#L26) CRL cache Implements an internal CRL (Certificate Revocation List) cache. In addition to implementing the `m:ssl_crl_cache_api` behaviour the following functions are available. # `crl_src` *since OTP 18.0* ```erlang -type crl_src() :: {file, file:filename()} | {der, public_key:der_encoded()}. ``` A source to input CRLs # `delete` *since OTP 18.0* ```erlang -spec delete(Entries) -> ok | {error, Reason} when Entries :: crl_src() | uri_string:uri_string(), Reason :: ssl:reason(). ``` Delete CRLs from the ssl applications local cache. # `insert` *since OTP 18.0* ```erlang -spec insert(CRLSrc) -> ok | {error, Reason} when CRLSrc :: crl_src(), Reason :: ssl:reason(). ``` # `insert` *since OTP 18.0* ```erlang -spec insert(DistPointURI, CRLSrc) -> ok | {error, Reason} when DistPointURI :: uri_string:uri_string(), CRLSrc :: crl_src(), Reason :: ssl:reason(). ``` Insert CRLs into the ssl applications local cache, with or without a distribution point reference URI --- *Consult [api-reference.md](api-reference.md) for complete listing*