Merging upstream version 1.71.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/vendor/crypto-bigint/src/uint/modular/mul.rs b/vendor/crypto-bigint/src/uint/modular/mul.rs
new file mode 100644
index 000000000..b84ceb5ca
--- /dev/null
+++ b/vendor/crypto-bigint/src/uint/modular/mul.rs
@@ -0,0 +1,22 @@
+use crate::{Limb, Uint};
+
+use super::reduction::montgomery_reduction;
+
+pub(crate) const fn mul_montgomery_form<const LIMBS: usize>(
+    a: &Uint<LIMBS>,
+    b: &Uint<LIMBS>,
+    modulus: &Uint<LIMBS>,
+    mod_neg_inv: Limb,
+) -> Uint<LIMBS> {
+    let product = a.mul_wide(b);
+    montgomery_reduction::<LIMBS>(&product, modulus, mod_neg_inv)
+}
+
+pub(crate) const fn square_montgomery_form<const LIMBS: usize>(
+    a: &Uint<LIMBS>,
+    modulus: &Uint<LIMBS>,
+    mod_neg_inv: Limb,
+) -> Uint<LIMBS> {
+    let product = a.square_wide();
+    montgomery_reduction::<LIMBS>(&product, modulus, mod_neg_inv)
+}