feat: Create placeholders for forthcoming crates (#645)

.github/workflows/ci.yml

@@ -192,9 +192,15 @@ jobs:
       - name: Cache Rust dependencies
         uses: Swatinem/rust-cache@v2
 
-      - name: Dry-run of crate publish
+      - name: Dry-run of crate publish (c2pa-rs)
         run: cargo publish -p c2pa --dry-run
 
+      - name: Dry-run of crate publish (c2pa-crypto)
+        run: cargo publish -p c2pa-crypto --dry-run
+
+      - name: Dry-run of crate publish (cawg-identity)
+        run: cargo publish -p cawg-identity --dry-run
+
   clippy_check:
     name: Clippy
     if: |
@@ -270,7 +276,7 @@ jobs:
         # environment. The goal is to fail PR validation
         # if the subsequent release would result in a failed
         # documentation build on docs.rs.
-        run: cargo +nightly doc --all-features --no-deps
+        run: cargo +nightly doc --workspace --all-features --no-deps
         env:
           RUSTDOCFLAGS: --cfg docsrs
           DOCS_RS: 1

Cargo.toml

@@ -1,3 +1,9 @@
 [workspace]
 resolver = "2"
-members = ["sdk", "export_schema", "make_test_images"]
+members = [
+    "cawg_identity",
+    "crypto",
+    "export_schema",
+    "make_test_images",
+    "sdk",
+]

cawg_identity/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "cawg-identity"
+version = "0.1.0"
+description = "Implementation of CAWG identity assertion specification"
+authors = [
+    "Eric Scouten <scouten@adobe.com>",
+]
+license = "MIT OR Apache-2.0"
+documentation = "https://docs.rs/c2pa-crypto"
+homepage = "https://creator-assertions.github.io/identity/"
+repository = "https://github.com/contentauth/c2pa-rs"
+readme = "README.md"
+keywords = ["identity"]
+categories = ["api-bindings"]
+edition = "2021"
+rust-version = "1.76.0"
+exclude = ["tests/fixtures"]
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[dependencies]

cawg_identity/README.md

@@ -0,0 +1,5 @@
+# Implementation of CAWG identity assertion specification
+
+[![CI](https://github.com/contentauth/c2pa-rs/actions/workflows/ci.yml/badge.svg)](https://github.com/contentauth/c2pa-rs/actions/workflows/ci.yml) [![Latest Version](https://img.shields.io/crates/v/cawg-identity.svg)](https://crates.io/crates/cawg-identity) [![docs.rs](https://img.shields.io/docsrs/cawg-identity)](https://docs.rs/cawg-identity/) [![codecov](https://codecov.io/gh/contentauth/c2pa-rs/branch/main/graph/badge.svg?token=YVHWI19EGN)](https://codecov.io/gh/contentauth/c2pa-rs)
+
+This is a placeholder crate and not yet intended to be used directly. This will become an implementation of the core of the [Creator Assertions Working Group identity assertion draft specification](https://creator-assertions.github.io/identity/).

cawg_identity/src/lib.rs

@@ -0,0 +1,10 @@
+/// This crate is a placeholder. More to come soon ...
+pub fn does_nothing_yet() {}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_does_nothing() {
+        println!("Placeholder");
+    }
+}

crypto/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "c2pa-crypto"
+version = "0.1.0"
+description = "Cryptography internals for c2pa-rs crate"
+authors = [
+    "Maurice Fisher <mfisher@adobe.com>",
+    "Gavin Peacock <gpeacock@adobe.com>",
+    "Eric Scouten <scouten@adobe.com>",
+    "Leonard Rosenthol <lrosenth@adobe.com>",
+    "Dave Kozma <dkozma@adobe.com>",
+    "Dylan Ross <dyross@adobe.com>"
+]
+license = "MIT OR Apache-2.0"
+documentation = "https://docs.rs/c2pa-crypto"
+homepage = "https://contentauthenticity.org"
+repository = "https://github.com/contentauth/c2pa-rs"
+readme = "README.md"
+keywords = ["metadata"]
+categories = ["api-bindings"]
+edition = "2021"
+rust-version = "1.76.0"
+exclude = ["tests/fixtures"]
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[dependencies]

crypto/README.md

@@ -0,0 +1,5 @@
+# C2PA cryptography implementation
+
+[![CI](https://github.com/scouten-adobe/TEMP-c2pa-crypto/actions/workflows/ci.yml/badge.svg)](https://github.com/scouten-adobe/TEMP-c2pa-crypto/actions/workflows/ci.yml) [![Latest Version](https://img.shields.io/crates/v/c2pa-crypto.svg)](https://crates.io/crates/c2pa-crypto) [![docs.rs](https://img.shields.io/docsrs/c2pa-crypto)](https://docs.rs/c2pa-crypto/) [![codecov](https://codecov.io/github/scouten-adobe/TEMP-c2pa-crypto/graph/badge.svg?token=NxwUjwv0j5)](https://codecov.io/github/scouten-adobe/TEMP-c2pa-crypto)
+
+This is a placeholder crate and not yet intended to be used directly. We anticipate moving some of the cryptography internal implementation from the existing c2pa-rs crate into this crate.

crypto/src/lib.rs

@@ -0,0 +1,10 @@
+/// This crate is a placeholder. More to come soon ...
+pub fn does_nothing_yet() {}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_does_nothing() {
+        println!("Placeholder");
+    }
+}

release-plz.toml

@@ -46,6 +46,12 @@ changelog_path = "./CHANGELOG.md"
 # we will leave the changelog in the repo root instead
 # of in the `sdk` folder (which would be the default).
 
+[[package]]
+name = "c2pa-crypto"
+
+[[package]]
+name = "cawg-identity"
+
 [[package]]
 name = "export_schema"
 publish = false