Distinguish between verification errors and "other" errors.

This commit is contained in:
Steven Fackler 2016-10-15 12:31:06 -07:00
parent bb23b33829
commit 4d567358a1
1 changed files with 15 additions and 8 deletions

View File

@ -110,12 +110,19 @@ impl<'a> Verifier<'a> {
}
}
pub fn finish(&self, signature: &[u8]) -> Result<(), ErrorStack> {
pub fn finish(&self, signature: &[u8]) -> Result<bool, ErrorStack> {
unsafe {
try_ssl_if!(ffi::EVP_DigestVerifyFinal(self.0,
signature.as_ptr() as *const _ as _,
signature.len()) != 1);
Ok(())
let r = ffi::EVP_DigestVerifyFinal(self.0,
signature.as_ptr() as *const _ as _,
signature.len());
match r {
1 => Ok(true),
0 => {
ErrorStack::get(); // discard error stack
Ok(false)
}
_ => Err(ErrorStack::get()),
}
}
}
}
@ -186,11 +193,11 @@ mod test {
let mut verifier = Verifier::new(Type::SHA256, &pkey).unwrap();
verifier.update(INPUT).unwrap();
verifier.finish(SIGNATURE).unwrap();
assert!(verifier.finish(SIGNATURE).unwrap());
}
#[test]
fn test_verify_err() {
fn test_verify_invalid() {
let key = include_bytes!("../../test/rsa.pem");
let private_key = RSA::private_key_from_pem(key).unwrap();
let pkey = PKey::from_rsa(private_key).unwrap();
@ -198,7 +205,7 @@ mod test {
let mut verifier = Verifier::new(Type::SHA256, &pkey).unwrap();
verifier.update(INPUT).unwrap();
verifier.update(b"foobar").unwrap();
assert!(verifier.finish(SIGNATURE).is_err());
assert!(!verifier.finish(SIGNATURE).unwrap());
}
fn test_hmac(ty: Type, tests: &[(Vec<u8>, Vec<u8>, Vec<u8>)]) {