multi-commiting/opening (#34)

poly-iop/src/lib.rs

@@ -16,6 +16,8 @@ pub use perm_check::{
     PermutationCheck,
 };
 pub use sum_check::SumCheck;
+pub use transcript::IOPTranscript;
+pub use utils::*;
 pub use virtual_poly::{VPAuxInfo, VirtualPolynomial};
 pub use zero_check::ZeroCheck;
 

poly-iop/src/transcript.rs

@@ -28,7 +28,7 @@ pub struct IOPTranscript<F: PrimeField> {
 
 impl<F: PrimeField> IOPTranscript<F> {
     /// Create a new IOP transcript.
-    pub(crate) fn new(label: &'static [u8]) -> Self {
+    pub fn new(label: &'static [u8]) -> Self {
         Self {
             transcript: Transcript::new(label),
             is_empty: true,
@@ -59,7 +59,7 @@ impl<F: PrimeField> IOPTranscript<F> {
     }
 
     // Append the message to the transcript.
-    pub(crate) fn append_field_element(
+    pub fn append_field_element(
         &mut self,
         label: &'static [u8],
         field_elem: &F,
@@ -83,10 +83,7 @@ impl<F: PrimeField> IOPTranscript<F> {
     //
     // The output field element is statistical uniform as long
     // as the field has a size less than 2^384.
-    pub(crate) fn get_and_append_challenge(
-        &mut self,
-        label: &'static [u8],
-    ) -> Result<F, PolyIOPErrors> {
+    pub fn get_and_append_challenge(&mut self, label: &'static [u8]) -> Result<F, PolyIOPErrors> {
         //  we need to reject when transcript is empty
         if self.is_empty {
             return Err(PolyIOPErrors::InvalidTranscript(

poly-iop/src/utils.rs

@@ -13,7 +13,7 @@ macro_rules! to_bytes {
 
 /// Decompose an integer into a binary vector in little endian.
 #[allow(dead_code)]
-pub(crate) fn bit_decompose(input: u64, num_var: usize) -> Vec<bool> {
+pub fn bit_decompose(input: u64, num_var: usize) -> Vec<bool> {
     let mut res = Vec::with_capacity(num_var);
     let mut i = input;
     for _ in 0..num_var {