Bump crypto-bigint to v0.7.0-rc.5 (#1067)

* dsa: bump `crypto-bigint` to v0.7.0-rc.5
* ecdsa: rename `ScalarPrimitive` to `ScalarValue`

Companion PR to RustCrypto/traits#2008

Author: tarcieri

Cargo.lock

@@ -25,3 +25,6 @@ lms-signature = { path = "./lms" }
 ml-dsa = { path = "./ml-dsa" }
 rfc6979 = { path = "./rfc6979" }
 slh-dsa = { path = "./slh-dsa" }
+
+# https://github.com/RustCrypto/traits/pull/2008
+elliptic-curve = { git = "https://github.com/RustCrypto/traits" }

Cargo.toml

@@ -18,8 +18,8 @@ rust-version = "1.85"
 [dependencies]
 der = { version = "0.8.0-rc.8", features = ["alloc"] }
 digest = "0.11.0-rc.1"
-crypto-bigint = { version = "0.7.0-rc.4", default-features = false, features = ["alloc", "zeroize"] }
-crypto-primes = { version = "0.7.0-pre.1", default-features = false }
+crypto-bigint = { version = "0.7.0-rc.5", default-features = false, features = ["alloc", "zeroize"] }
+crypto-primes = { version = "0.7.0-pre.2", default-features = false }
 rfc6979 = { version = "0.5.0-rc.1" }
 sha2 = { version = "0.11.0-rc.2", default-features = false }
 signature = { version = "3.0.0-rc.3", default-features = false, features = ["alloc", "digest", "rand_core"] }

dsa/Cargo.toml

@@ -86,7 +86,7 @@ pub use crate::verifying::VerifyingKey;
 
 use core::{fmt, ops::Add};
 use elliptic_curve::{
-    FieldBytes, FieldBytesSize, ScalarPrimitive,
+    FieldBytes, FieldBytesSize, ScalarValue,
     array::{Array, ArraySize, typenum::Unsigned},
 };
 
@@ -208,8 +208,8 @@ pub type SignatureBytes<C> = Array<u8, SignatureSize<C>>;
 /// [IEEE P1363]: https://en.wikipedia.org/wiki/IEEE_P1363
 #[derive(Clone, Eq, PartialEq)]
 pub struct Signature<C: EcdsaCurve> {
-    r: ScalarPrimitive<C>,
-    s: ScalarPrimitive<C>,
+    r: ScalarValue<C>,
+    s: ScalarValue<C>,
 }
 
 impl<C> Signature<C>
@@ -258,8 +258,8 @@ where
     /// - `Err(err)` if the `r` and/or `s` component of the signature is
     ///   out-of-range when interpreted as a big endian integer.
     pub fn from_scalars(r: impl Into<FieldBytes<C>>, s: impl Into<FieldBytes<C>>) -> Result<Self> {
-        let r = ScalarPrimitive::from_slice(&r.into()).map_err(|_| Error::new())?;
-        let s = ScalarPrimitive::from_slice(&s.into()).map_err(|_| Error::new())?;
+        let r = ScalarValue::from_slice(&r.into()).map_err(|_| Error::new())?;
+        let s = ScalarValue::from_slice(&s.into()).map_err(|_| Error::new())?;
 
         if r.is_zero().into() || s.is_zero().into() {
             return Err(Error::new());
@@ -327,7 +327,7 @@ where
     /// [1]: https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki
     pub fn normalize_s(&self) -> Self {
         let mut result = self.clone();
-        let s_inv = ScalarPrimitive::from(-self.s());
+        let s_inv = ScalarValue::from(-self.s());
         result.s.conditional_assign(&s_inv, self.s.is_high());
         result
     }
@@ -524,8 +524,8 @@ where
 
 impl<C: EcdsaCurve> Zeroize for Signature<C> {
     fn zeroize(&mut self) {
-        self.r = ScalarPrimitive::ONE;
-        self.s = ScalarPrimitive::ONE;
+        self.r = ScalarValue::ONE;
+        self.s = ScalarValue::ONE;
     }
 }