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Updating to draft version 10 #79

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Jul 1, 2022
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Updating to draft version 10 #79

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6 changes: 5 additions & 1 deletion CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,10 @@
# Changelog

## 0.4.0-pre.2 (April 5, 2022)
## 0.4.0-pre.3 (July 1, 2022)
* Updated to be in sync with draft-irtf-cfrg-voprf-10, with
the only difference from -09 being a constant string change

## 0.4.0-pre.2 (April 21, 2022)
* Exposes the derive_key function under the "danger" feature

## 0.4.0-pre.1 (April 1, 2022)
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6 changes: 3 additions & 3 deletions Cargo.toml
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Expand Up @@ -9,7 +9,7 @@ name = "voprf"
readme = "README.md"
repository = "https://github.com/novifinancial/voprf/"
rust-version = "1.57"
version = "0.4.0-pre.2"
version = "0.4.0-pre.3"

[features]
alloc = []
Expand All @@ -30,7 +30,7 @@ curve25519-dalek = { version = "=4.0.0-pre.1", default-features = false, optiona
derive-where = { version = "=1.0.0-rc.3", features = ["zeroize-on-drop"] }
digest = "0.10"
displaydoc = { version = "0.2", default-features = false }
elliptic-curve = { version = "=0.12.0-pre.1", features = [
elliptic-curve = { version = "0.12", features = [
"hash2curve",
"sec1",
"voprf",
Expand All @@ -48,7 +48,7 @@ zeroize = { version = "1.5", default-features = false }
generic-array = { version = "0.14", features = ["more_lengths"] }
hex = "0.4"
json = "0.12"
p256 = { version = "=0.11.0-pre.0", default-features = false, features = [
p256 = { version = "0.11", default-features = false, features = [
"hash2curve",
"voprf",
] }
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -16,7 +16,7 @@ Installation
Add the following line to the dependencies of your `Cargo.toml`:

```
voprf = "0.4.0-pre.2"
voprf = "0.4.0-pre.3"
```

### Minimum Supported Rust Version
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8 changes: 4 additions & 4 deletions src/common.rs
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Expand Up @@ -33,7 +33,7 @@ pub(crate) const STR_DERIVE_KEYPAIR: [u8; 13] = *b"DeriveKeyPair";
pub(crate) const STR_COMPOSITE: [u8; 9] = *b"Composite";
pub(crate) const STR_CHALLENGE: [u8; 9] = *b"Challenge";
pub(crate) const STR_INFO: [u8; 4] = *b"Info";
pub(crate) const STR_VOPRF: [u8; 8] = *b"VOPRF09-";
pub(crate) const STR_VOPRF: [u8; 8] = *b"VOPRF10-";
pub(crate) const STR_HASH_TO_SCALAR: [u8; 13] = *b"HashToScalar-";
pub(crate) const STR_HASH_TO_GROUP: [u8; 12] = *b"HashToGroup-";

Expand Down Expand Up @@ -153,7 +153,7 @@ where
<CS::Hash as OutputSizeUser>::OutputSize:
IsLess<U256> + IsLessOrEqual<<CS::Hash as BlockSizeUser>::BlockSize>,
{
// https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-09.html#section-2.2.1
// https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-10.html#section-2.2.1

let (m, z) = compute_composites::<CS, _, _>(Some(k), b, cs, ds, mode)?;

Expand Down Expand Up @@ -216,7 +216,7 @@ where
<CS::Hash as OutputSizeUser>::OutputSize:
IsLess<U256> + IsLessOrEqual<<CS::Hash as BlockSizeUser>::BlockSize>,
{
// https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-09.html#section-2.2.2
// https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-10.html#section-2.2.2
let (m, z) = compute_composites::<CS, _, _>(None, b, cs, ds, mode)?;
let t2 = (a * &proof.s_scalar) + &(b * &proof.c_scalar);
let t3 = (m * &proof.s_scalar) + &(z * &proof.c_scalar);
Expand Down Expand Up @@ -285,7 +285,7 @@ where
<CS::Hash as OutputSizeUser>::OutputSize:
IsLess<U256> + IsLessOrEqual<<CS::Hash as BlockSizeUser>::BlockSize>,
{
// https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-09.html#section-2.2.1
// https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-10.html#section-2.2.1

let elem_len = <CS::Group as Group>::ElemLen::U16.to_be_bytes();

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4 changes: 2 additions & 2 deletions src/lib.rs
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Expand Up @@ -8,7 +8,7 @@
//! An implementation of a verifiable oblivious pseudorandom function (VOPRF)
//!
//! Note: This implementation is in sync with
//! [draft-irtf-cfrg-voprf-09](https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-09.html),
//! [draft-irtf-cfrg-voprf-10](https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-10.html),
//! but this specification is subject to change, until the final version
//! published by the IETF.
//!
Expand Down Expand Up @@ -430,7 +430,7 @@
//! The API for POPRF mode is similar to VOPRF mode, except that a [PoprfServer]
//! and [PoprfClient] are used, and that each of the functions accept an
//! additional (and optional) info parameter which represents the public input.
//! See <https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-09.html#name-poprf-public-input>
//! See <https://www.ietf.org/archive/id/draft-irtf-cfrg-voprf-10.html#name-poprf-public-input>
//! for more detailed information on how this public input should be used.
//!
//! # Features
Expand Down
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