pub fn from_jwk(jwk: &Jwk) -> Result<Self, JoseError> {
        (|| -> anyhow::Result<Self> {
            match jwk.key_type() {
                val if val == "OKP" => {}
                val => bail!("A parameter kty must be OKP: {}", val),
            }
            let curve = match jwk.parameter("crv") {
                Some(Value::String(val)) => match val.as_str() {
                    "Ed25519" => EdCurve::Ed25519,
                    "Ed448" => EdCurve::Ed448,
                    _ => bail!("A parameter crv is unrecognized: {}", val),
                },
                Some(_) => bail!("A parameter crv must be a string."),
                None => bail!("A parameter crv is required."),
            };
            let d = match jwk.parameter("d") {
                Some(Value::String(val)) => base64::decode_config(val, base64::URL_SAFE_NO_PAD)?,
                Some(_) => bail!("A parameter d must be a string."),
                None => bail!("A parameter d is required."),
            };

            let mut builder = DerBuilder::new();
            builder.append_octed_string_from_bytes(&d);

            let pkcs8 = Self::to_pkcs8(&builder.build(), false, curve);
            let private_key = PKey::private_key_from_der(&pkcs8)?;
            let algorithm = jwk.algorithm().map(|val| val.to_string());
            let key_id = jwk.key_id().map(|val| val.to_string());

            Ok(Self {
                private_key,
                curve,
                algorithm,
                key_id,
            })
        })()
        .map_err(|err| JoseError::InvalidKeyFormat(err))
    }
/// Create a EdDSA key pair from a private key that is formatted by a JWK of OKP type.
///
/// # Arguments
/// * `jwk` - A private key that is formatted by a JWK of OKP type.
Create a EdDSA key pair from a private key that is formatted by a JWK of OKP type.
Create a EdDSA key pair from a private key that is formatted by a JWK of OKP type .
pub fn from_jwk(jwk: &Jwk) -> Result<Self, JoseError> {
        (|| -> anyhow::Result<Self> {
            match jwk.key_type() {
                val if val == "OKP" => {}
                val => bail!("A parameter kty must be OKP: {}", val),
            }
            let curve = match jwk.parameter("crv") {
                Some(Value::String(val)) => match val.as_str() {
                    "Ed25519" => EdCurve::Ed25519,
                    "Ed448" => EdCurve::Ed448,
                    _ => bail!("A parameter crv is unrecognized: {}", val),
                },
                Some(_) => bail!("A parameter crv must be a string."),
                None => bail!("A parameter crv is required."),
            };
            let d = match jwk.parameter("d") {
                Some(Value::String(val)) => base64::decode_config(val, base64::URL_SAFE_NO_PAD)?,
                Some(_) => bail!("A parameter d must be a string."),
                None => bail!("A parameter d is required."),
            };
            let mut builder = DerBuilder::new();
            builder.append_octed_string_from_bytes(&d);
            let pkcs8 = Self::to_pkcs8(&builder.build(), false, curve);
            let private_key = PKey::private_key_from_der(&pkcs8)?;
            let algorithm = jwk.algorithm().map(|val| val.to_string());
            let key_id = jwk.key_id().map(|val| val.to_string());
            Ok(Self {
                private_key,
                curve,
                algorithm,
                key_id,
            })
        })()
        .map_err(|err| JoseError::InvalidKeyFormat(err))
    }
pub fn from_jwk ( jwk : & Jwk ) -> Result < Self , JoseError > { ( | | -> anyhow :: Result < Self > { match jwk . key_type ( ) { val if val == " " => { } val => bail ! ( " " val ) , } let curve = match jwk . parameter ( " " ) { Some ( Value :: String ( val ) ) => match val . as_str ( ) { " " => EdCurve :: Ed25519 , " " => EdCurve :: Ed448 , _ => bail ! ( " " val ) , } , Some ( _ ) => bail ! ( " " ) , None => bail ! ( " " ) , } ; let d = match jwk . parameter ( " " ) { Some ( Value :: String ( val ) ) => base64 :: decode_config ( val , base64 :: URL_SAFE_NO_PAD ) ? , Some ( _ ) => bail ! ( " " ) , None => bail ! ( " " ) , } ; let mut builder = DerBuilder :: new ( ) ; builder . append_octed_string_from_bytes ( & d ) ; let pkcs8 = Self :: to_pkcs8 ( & builder . build ( ) , false , curve ) ; let private_key = PKey :: private_key_from_der ( & pkcs8 ) ? ; let algorithm = jwk . algorithm ( ) . map ( | val | val . to_string ( ) ) ; let key_id = jwk . key_id ( ) . map ( | val | val . to_string ( ) ) ; Ok ( Self { private_key , curve , algorithm , key_id , } ) } ) ( ) . map_err ( | err | JoseError :: InvalidKeyFormat ( err ) ) }
Create a EdDSA key pair from a private key that is formatted by a JWK of OKP type.
Create a EdDSA key pair from a private key that is formatted by a JWK of OKP type .
jwk
&Jwk
jwk
&Jwk