diff --git a/README.md b/README.md
index d60f748..0c6b55a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # noble-ciphers
 
-Auditable & minimal JS implementation of AES, Salsa20 and ChaCha20 ciphers.
+Auditable & minimal JS implementation of AES SIV, Salsa20 and ChaCha20.
 
 - 🔒 Auditable
 - 🔻 Tree-shaking-friendly: use only what's necessary, other code won't be included
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..d925ef7
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,126 @@
+{
+  "name": "@noble/ciphers",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@noble/ciphers",
+      "version": "0.1.0",
+      "license": "MIT",
+      "devDependencies": {
+        "@scure/base": "1.1.1",
+        "fast-check": "3.0.0",
+        "micro-bmark": "0.3.1",
+        "micro-should": "0.4.0",
+        "prettier": "2.8.4",
+        "typescript": "5.0.2"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "..": {
+      "name": "@noble/hashes",
+      "version": "1.3.0",
+      "extraneous": true,
+      "license": "MIT",
+      "devDependencies": {
+        "micro-bmark": "0.3.1",
+        "micro-should": "0.4.0",
+        "prettier": "2.8.4",
+        "typescript": "5.0.2"
+      },
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@scure/base": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.1.1.tgz",
+      "integrity": "sha512-ZxOhsSyxYwLJj3pLZCefNitxsj093tb2vq90mp2txoYeBqbcjDjqFhyM8eUjq/uFm6zJ+mUuqxlS2FkuSY1MTA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ]
+    },
+    "node_modules/fast-check": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/fast-check/-/fast-check-3.0.0.tgz",
+      "integrity": "sha512-uujtrFJEQQqnIMO52ARwzPcuV4omiL1OJBUBLE9WnNFeu0A97sREXDOmCIHY+Z6KLVcemUf09rWr0q0Xy/Y/Ew==",
+      "dev": true,
+      "dependencies": {
+        "pure-rand": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/fast-check"
+      }
+    },
+    "node_modules/micro-bmark": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/micro-bmark/-/micro-bmark-0.3.1.tgz",
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+      "dev": true
+    },
+    "node_modules/micro-should": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/micro-should/-/micro-should-0.4.0.tgz",
+      "integrity": "sha512-Vclj8yrngSYc9Y3dL2C+AdUlTkyx/syWc4R7LYfk4h7+icfF0DoUBGjjUIaEDzZA19RzoI+Hg8rW9IRoNGP0tQ==",
+      "dev": true
+    },
+    "node_modules/prettier": {
+      "version": "2.8.4",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.4.tgz",
+      "integrity": "sha512-vIS4Rlc2FNh0BySk3Wkd6xmwxB0FpOndW5fisM5H8hsZSxU2VWVB5CWIkIjWvrHjIhxk2g3bfMKM87zNTrZddw==",
+      "dev": true,
+      "bin": {
+        "prettier": "bin-prettier.js"
+      },
+      "engines": {
+        "node": ">=10.13.0"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
+    "node_modules/pure-rand": {
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/pure-rand/-/pure-rand-5.0.5.tgz",
+      "integrity": "sha512-BwQpbqxSCBJVpamI6ydzcKqyFmnd5msMWUGvzXLm1aXvusbbgkbOto/EUPM00hjveJEaJtdbhUjKSzWRhQVkaw==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/dubzzz"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fast-check"
+        }
+      ]
+    },
+    "node_modules/typescript": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.2.tgz",
+      "integrity": "sha512-wVORMBGO/FAs/++blGNeAVdbNKtIh1rbBL2EyQ1+J9lClJ93KiiKe8PmFIVdXhHcyv44SL9oglmfeSsndo0jRw==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=12.20"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
index ee2df5f..ee6910e 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,11 @@
 {
   "name": "@noble/ciphers",
   "version": "0.1.0",
-  "description": "Auditable & minimal JS implementation of AES SIV, Salsa20 and ChaCha20 ciphers",
+  "description": "Auditable & minimal JS implementation of AES SIV, Salsa20 and ChaCha20",
   "files": [
     "esm",
     "src",
+    "webcrypto",
     "*.js",
     "*.js.map",
     "*.d.ts",
@@ -29,7 +30,7 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@scure/base": "^1.1.1",
+    "@scure/base": "1.1.1",
     "fast-check": "3.0.0",
     "micro-bmark": "0.3.1",
     "micro-should": "0.4.0",
@@ -57,6 +58,11 @@
       "import": "./esm/_slow.js",
       "default": "./_slow.js"
     },
+    "./_poly1305": {
+      "types": "./_poly1305.d.ts",
+      "import": "./esm/_poly1305.js",
+      "default": "./_poly1305.js"
+    },
     "./chacha": {
       "types": "./chacha.d.ts",
       "import": "./esm/chacha.js",