shimun/ctap
1
0
Fork 0
Code Issues Pull Requests 1 Releases Wiki Activity

removed unsafe

Browse Source
This commit is contained in:
Shimun 2019-12-26 18:02:20 +01:00
parent 8234975ba3
commit b92428214a
Signed by: shimun
GPG Key ID: E81D8382DC2F971B
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/extensions/hmac.rs
View File

@ -185,16 +185,18 @@ impl HmacExtension for FidoDevice {
}), }),
_ => Err(FidoErrorKind::CborDecode), _ => Err(FidoErrorKind::CborDecode),
}?; }?;
let mut hmac_secret = ([0u8; 32], [0u8; 32]); let mut hmac_secret = [0u8; 64];
decryptor decryptor
.decrypt( .decrypt(
&mut RefReadBuffer::new(&hmac_secret_enc), &mut RefReadBuffer::new(&hmac_secret_enc),
&mut RefWriteBuffer::new(unsafe { &mut RefWriteBuffer::new(&mut hmac_secret),
std::mem::transmute::<_, &mut [u8; 64]>(&mut hmac_secret)
}),
true, true,
) )
.expect("failed to decrypt secret"); .map_err(|_| FidoErrorKind::ReadPacket)?;
Ok((hmac_secret.0, salt2.map(|_| hmac_secret.1))) let mut hmac_secret_0 = [0u8; 32];
let mut hmac_secret_1 = [0u8; 32];
hmac_secret_0.copy_from_slice(&hmac_secret[0..32]);
hmac_secret_1.copy_from_slice(&hmac_secret[32..]);
Ok((hmac_secret_0, salt2.map(|_| hmac_secret_1)))
} }
} }