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Preliminary x.509 support. This is some of the ugliest code I've ever written, but it works. Ish.

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This commit is contained in:
Adam Wick
2019-02-18 10:54:01 -08:00
parent 4559b80d2f
commit 8d8351e833
33 changed files with 2147 additions and 103 deletions
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1
src/rsa/mod.rs
View File

@@ -24,6 +24,7 @@ mod private;
mod public;
mod signing_hashes;
pub use self::errors::RSAError;
pub use self::signing_hashes::{SigningHash,
SIGNING_HASH_NULL,
SIGNING_HASH_SHA1,

48
src/rsa/public.rs
View File

@@ -1,6 +1,5 @@
use cryptonum::unsigned::*;
use digest::{Digest,FixedOutput};
use num::BigInt;
use rand::Rng;
use rand::rngs::OsRng;
use rsa::core::{decode_biguint,pkcs1_pad,xor_vecs};
@@ -71,6 +70,21 @@ pub enum RSAPublic {
Key15360(RSA15360Public)
}
impl RSAPublic {
pub fn verify(&self, signhash: &SigningHash, msg: &[u8], sig: &[u8]) -> bool
{
match self {
RSAPublic::Key512(x) => x.verify(signhash, msg, sig),
RSAPublic::Key1024(x) => x.verify(signhash, msg, sig),
RSAPublic::Key2048(x) => x.verify(signhash, msg, sig),
RSAPublic::Key3072(x) => x.verify(signhash, msg, sig),
RSAPublic::Key4096(x) => x.verify(signhash, msg, sig),
RSAPublic::Key8192(x) => x.verify(signhash, msg, sig),
RSAPublic::Key15360(x) => x.verify(signhash, msg, sig)
}
}
}
impl FromASN1 for RSAPublic {
type Error = RSAError;
@@ -95,44 +109,44 @@ impl FromASN1 for RSAPublic {
}
match rsa_size {
512 => {
let n2 = U512::from_num(n).ok_or(RSAError::InvalidKey)?;
let e2 = U512::from_num(e).ok_or(RSAError::InvalidKey)?;
let n2 = U512::from_num(&n).ok_or(RSAError::InvalidKey)?;
let e2 = U512::from_num(&e).ok_or(RSAError::InvalidKey)?;
let res = RSA512Public::new(n2, e2);
Ok((RSAPublic::Key512(res), rest))
}
1024 => {
let n2 = U1024::from_num(n).ok_or(RSAError::InvalidKey)?;
let e2 = U1024::from_num(e).ok_or(RSAError::InvalidKey)?;
let n2 = U1024::from_num(&n).ok_or(RSAError::InvalidKey)?;
let e2 = U1024::from_num(&e).ok_or(RSAError::InvalidKey)?;
let res = RSA1024Public::new(n2, e2);
Ok((RSAPublic::Key1024(res), rest))
}
2048 => {
let n2 = U2048::from_num(n).ok_or(RSAError::InvalidKey)?;
let e2 = U2048::from_num(e).ok_or(RSAError::InvalidKey)?;
let n2 = U2048::from_num(&n).ok_or(RSAError::InvalidKey)?;
let e2 = U2048::from_num(&e).ok_or(RSAError::InvalidKey)?;
let res = RSA2048Public::new(n2, e2);
Ok((RSAPublic::Key2048(res), rest))
}
3072 => {
let n2 = U3072::from_num(n).ok_or(RSAError::InvalidKey)?;
let e2 = U3072::from_num(e).ok_or(RSAError::InvalidKey)?;
let n2 = U3072::from_num(&n).ok_or(RSAError::InvalidKey)?;
let e2 = U3072::from_num(&e).ok_or(RSAError::InvalidKey)?;
let res = RSA3072Public::new(n2, e2);
Ok((RSAPublic::Key3072(res), rest))
}
4096 => {
let n2 = U4096::from_num(n).ok_or(RSAError::InvalidKey)?;
let e2 = U4096::from_num(e).ok_or(RSAError::InvalidKey)?;
let n2 = U4096::from_num(&n).ok_or(RSAError::InvalidKey)?;
let e2 = U4096::from_num(&e).ok_or(RSAError::InvalidKey)?;
let res = RSA4096Public::new(n2, e2);
Ok((RSAPublic::Key4096(res), rest))
}
8192 => {
let n2 = U8192::from_num(n).ok_or(RSAError::InvalidKey)?;
let e2 = U8192::from_num(e).ok_or(RSAError::InvalidKey)?;
let n2 = U8192::from_num(&n).ok_or(RSAError::InvalidKey)?;
let e2 = U8192::from_num(&e).ok_or(RSAError::InvalidKey)?;
let res = RSA8192Public::new(n2, e2);
Ok((RSAPublic::Key8192(res), rest))
}
15360 => {
let n2 = U15360::from_num(n).ok_or(RSAError::InvalidKey)?;
let e2 = U15360::from_num(e).ok_or(RSAError::InvalidKey)?;
let n2 = U15360::from_num(&n).ok_or(RSAError::InvalidKey)?;
let e2 = U15360::from_num(&e).ok_or(RSAError::InvalidKey)?;
let res = RSA15360Public::new(n2, e2);
Ok((RSAPublic::Key15360(res), rest))
}
@@ -301,8 +315,8 @@ macro_rules! generate_rsa_public
fn to_asn1_class(&self, c: ASN1Class)
-> Result<Vec<ASN1Block>,Self::Error>
{
let n = BigInt::from(self.n.to_num());
let e = BigInt::from(self.e.to_num());
let n = self.n.to_num();
let e = self.e.to_num();
let enc_n = ASN1Block::Integer(c, 0, n);
let enc_e = ASN1Block::Integer(c, 0, e);
let seq = ASN1Block::Sequence(c, 0, vec![enc_n, enc_e]);