Add hpke/core as a core HPKE module which has no dependencies.

.github/workflows/ci.yml

@@ -27,6 +27,11 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./coverage.lcov
           flags: unittests
+      - name: Run deno test for /core
+        working-directory: ./core
+        run: |
+          deno fmt --check
+          deno task test
       - name: Run deno test for /x/dhkem-secp256k1
         working-directory: ./x/dhkem-secp256k1
         run: |

.github/workflows/ci_browser.yml

@@ -24,9 +24,15 @@ jobs:
           npm install -g esbuild
           deno task dnt
           deno task minify > test/runtimes/browsers/pages/src/hpke.js
+          mkdir test/runtimes/browsers/pages/core
+          cp -rf core/test/runtimes/browsers/pages/* test/runtimes/browsers/pages/core
           mkdir test/runtimes/browsers/pages/dhkem-secp256k1
           cp -rf x/dhkem-secp256k1/test/runtimes/browsers/pages/* test/runtimes/browsers/pages/dhkem-secp256k1
           deno task minify > test/runtimes/browsers/pages/dhkem-secp256k1/src/hpke.js
+      - working-directory: ./core
+        run: |
+          deno task dnt
+          deno task minify > ../test/runtimes/browsers/pages/core/src/hpke-core.js
       - working-directory: ./x/dhkem-secp256k1
         run: |
           deno task dnt
@@ -38,7 +44,7 @@ jobs:
 
   playwright-test:
     needs: pages
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
@@ -48,5 +54,7 @@ jobs:
           npm ci
           npx playwright install --with-deps
           npx playwright test
+      - working-directory: ./core/test/runtimes/browsers
+        run: npm install && npx playwright install && npx playwright test
       - working-directory: ./x/dhkem-secp256k1/test/runtimes/browsers
         run: npm install && npx playwright install && npx playwright test

.github/workflows/ci_bun.yml

@@ -30,10 +30,6 @@ jobs:
           deno task dnt
           deno task minify > test/runtimes/hpke.js
           deno task minify > x/dhkem-secp256k1/test/runtimes/hpke.js
-      - working-directory: ./x/dhkem-secp256k1/
-        run: |
-          deno task dnt
-          deno task minify > test/runtimes/hpke-dhkem-secp256k1.js
       - uses: antongolub/action-setup-bun@v1
         with:
           bun-version: ${{ matrix.bun-version }}
@@ -43,6 +39,20 @@ jobs:
           nohup bun src/index.js &
           sleep 3
           deno test hpke.spec.ts --allow-net
+      - working-directory: ./core/
+        run: |
+          deno task dnt
+          deno task minify > test/runtimes/hpke-core.js
+      - name: Run test for core
+        working-directory: ./core/test/runtimes/bun
+        run: |
+          nohup bun src/index.js &
+          sleep 3
+          deno test core.spec.ts --allow-net
+      - working-directory: ./x/dhkem-secp256k1/
+        run: |
+          deno task dnt
+          deno task minify > test/runtimes/hpke-dhkem-secp256k1.js
       - name: Run test for dhkem-secp256k1
         working-directory: ./x/dhkem-secp256k1/test/runtimes/bun
         run: |

.github/workflows/ci_cloudflare.yml

@@ -24,18 +24,30 @@ jobs:
           npm install -g esbuild
           deno task dnt
           deno task minify > test/runtimes/hpke.js
+          deno task minify > core/test/runtimes/hpke.js
           deno task minify > x/dhkem-secp256k1/test/runtimes/hpke.js
-      - working-directory: ./x/dhkem-secp256k1/
-        run: |
-          deno task dnt
-          deno task minify > test/runtimes/hpke-dhkem-secp256k1.js
       - name: Run test
         working-directory: ./test/runtimes/cloudflare
         run: |
           npm install
           nohup npm start &
           sleep 3
           deno test hpke.spec.ts --allow-net
+      - working-directory: ./core/
+        run: |
+          deno task dnt
+          deno task minify > test/runtimes/hpke-core.js
+      - name: Run test for core
+        working-directory: ./core/test/runtimes/cloudflare
+        run: |
+          npm install
+          nohup npm start &
+          sleep 3
+          deno test core.spec.ts --allow-net
+      - working-directory: ./x/dhkem-secp256k1/
+        run: |
+          deno task dnt
+          deno task minify > test/runtimes/hpke-dhkem-secp256k1.js
       - name: Run test for dhkem-secp256k1
         working-directory: ./x/dhkem-secp256k1/test/runtimes/cloudflare
         run: |

.github/workflows/ci_node.yml

@@ -27,6 +27,11 @@ jobs:
           npm install -g esbuild
           deno task dnt
           deno task minify > ./npm/hpke.min.js
+      - name: Run dnt & minify for /core
+        working-directory: ./core
+        run: |
+          deno task dnt
+          deno task minify > ./npm/hpke-core.min.js
       - name: Run dnt & minify for /x/dhkem-secp256k1
         working-directory: ./x/dhkem-secp256k1
         run: |

.github/workflows/publish.yml

@@ -26,6 +26,28 @@ jobs:
         env:
           NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
 
+  publish-core:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          registry-url: https://registry.npmjs.org/
+      - uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+      - name: Run dnt & minify
+        working-directory: ./core
+        run: |
+          npm install -g esbuild
+          deno task dnt
+          deno task minify > ./npm/hpke-core.min.js
+      - working-directory: ./core/npm
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+
   publish-dhkem-secp256k1:
     runs-on: ubuntu-latest
     steps:

core/deno.json

@@ -0,0 +1,35 @@
+{
+  "imports": {
+    "testing/": "https://deno.land/[email protected]/testing/",
+    "dnt": "https://deno.land/x/[email protected]/mod.ts"
+  },
+  "fmt": {
+    "include": [
+      "README.md",
+      "deno.json",
+      "dnt.ts",
+      "mod.ts",
+      "src/",
+      "test/"
+    ],
+    "exclude": [
+      "test/runtimes/bun",
+      "test/runtimes/browsers/node_modules",
+      "test/runtimes/cloudflare"
+    ]
+  },
+  "lint": {
+    "include": ["mod.ts", "src/", "test/"],
+    "exclude": [
+      "test/runtimes/bun",
+      "test/runtimes/browsers/node_modules",
+      "test/runtimes/cloudflare"
+    ]
+  },
+  "tasks": {
+    "test": "deno fmt && deno lint && deno test test -A --fail-fast --doc --coverage=coverage --parallel --allow-read",
+    "cov": "deno coverage ./coverage --lcov --exclude='test'",
+    "dnt": "deno run -A dnt.ts $(git describe --tags $(git rev-list --tags --max-count=1))",
+    "minify": "esbuild npm/esm/core/mod.js --bundle --format=esm --minify"
+  }
+}