PEM-utils
Managed .NET (C#) utility library for working with PEM files with DER/ASN.1 encoding.
This project has 2 separate libraries:
- DerConverter - for converting ASN.1 syntax from/to binary data
- PemUtils - builds on top of DerConverter for reading/writing
RSAParameters
from/to a PEM formatted file
PEM files are commonly used to exchange public or private key data.
Currently files with these headers are supported:
----- BEGIN PUBLIC KEY -----
/----- END PUBLIC KEY -----
----- BEGIN RSA PRIVATE KEY -----
/----- END RSA PRIVATE KEY -----
Get it on NuGet
PM> Install-Package PemUtils
or if you only want a DER converter:
PM> Install-Package DerConverter
Usage
Reading
using (var stream = File.OpenRead(path))
using (var reader = new PemReader(stream))
{
var rsaParameters = reader.ReadRsaKey();
// ...
}
Writing
using (var stream = File.Create(path))
using (var writer = new PemWriter(stream))
{
// ...
writer.WritePublicKey(rsaParameters);
}