fromPem static method
Parses a PEM string into a public key.
Throws if pem is not a single PUBLIC KEY block holding an xDSA public
key. The block starts at the first byte, uses strict base64 and ends all
its lines in LF or all in CRLF.
Implementation
static PublicKey fromPem(String pem) =>
PublicKey._(ffi.XdsaPublicKey.fromPem(pem: pem));