Rename the parsing errors using the module name

src/error.rs

@@ -10,14 +10,14 @@ pub enum Error {
 	IkmNotFound(u32),
 	#[error("parsing error: invalid base64-urlsafe-nopadding data: {0}")]
 	ParsingBase64Error(base64ct::Error),
-	#[error("parsing error: invalid data length: {0} bytes")]
-	ParsingInvalidLength(usize),
-	#[error("parsing error: {0}: unknown scheme")]
-	ParsingUnknownScheme(u32),
 	#[error("parsing error: encoded data: invalid IKM id: {0:?}")]
 	ParsingEncodedDataInvalidIkmId(Vec<u8>),
 	#[error("parsing error: encoded data: invalid number of parts: got {1} instead of {0}")]
 	ParsingEncodedDataInvalidPartLen(usize, usize),
+	#[error("parsing error: ikm: invalid data length: {0} bytes")]
+	ParsingIkmInvalidLength(usize),
+	#[error("parsing error: scheme: {0}: unknown scheme")]
+	ParsingSchemeUnknownScheme(u32),
 	#[error("unable to generate random values: {0}")]
 	RandomSourceError(getrandom::Error),
 	#[error("system time error: {0}")]

src/ikm.rs

@@ -109,7 +109,7 @@ impl InputKeyMaterialList {
 	pub fn import(s: &str) -> Result<Self> {
 		let data = Base64UrlUnpadded::decode_vec(s)?;
 		if data.len() % IKM_STRUCT_SIZE != 4 {
-			return Err(Error::ParsingInvalidLength(data.len()));
+			return Err(Error::ParsingIkmInvalidLength(data.len()));
 		}
 		let mut ikm_lst = Vec::with_capacity(data.len() / IKM_STRUCT_SIZE);
 		for ikm_slice in data[4..].chunks_exact(IKM_STRUCT_SIZE) {

src/scheme.rs

@@ -29,7 +29,7 @@ impl TryFrom<u32> for Scheme {
 	fn try_from(value: u32) -> Result<Self, Self::Error> {
 		match value {
 			1 => Ok(Scheme::XChaCha20Poly1305WithBlake3),
-			_ => Err(Error::ParsingUnknownScheme(value)),
+			_ => Err(Error::ParsingSchemeUnknownScheme(value)),
 		}
 	}
 }