diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_detached.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_detached.json
new file mode 100644
index 00000000..0eb65806
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_detached.json
@@ -0,0 +1,45 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_detached",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "message",
+            "type": "unsized_buf"
+        },
+        {
+            "name": "nonce",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_noncebytes()"
+        },
+        {
+            "name": "publicKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_publickeybytes()"
+        },
+        {
+            "name": "privateKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_secretkeybytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "ciphertext",
+            "type": "buf",
+            "length": "message_length"
+        },
+        {
+            "name": "mac",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_detached(ciphertext_address, mac_address, message_address, message_length, 0, nonce_address, publicKey_address, privateKey_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "invalid usage"
+        }
+    ],
+    "return": "_format_output({ciphertext: ciphertext, mac: mac}, outputFormat)"
+}
diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_detached_afternm.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_detached_afternm.json
new file mode 100644
index 00000000..48062c71
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_detached_afternm.json
@@ -0,0 +1,40 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_detached_afternm",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "message",
+            "type": "unsized_buf"
+        },
+        {
+            "name": "nonce",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_noncebytes()"
+        },
+        {
+            "name": "sharedKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_beforenmbytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "ciphertext",
+            "type": "buf",
+            "length": "message_length"
+        },
+        {
+            "name": "mac",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_detached_afternm(ciphertext_address, mac_address, message_address, message_length, 0, nonce_address, sharedKey_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "invalid usage"
+        }
+    ],
+    "return": "_format_output({ciphertext: ciphertext, mac: mac}, outputFormat)"
+}
diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_easy.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_easy.json
new file mode 100644
index 00000000..f8dcf474
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_easy.json
@@ -0,0 +1,40 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_easy",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "message",
+            "type": "unsized_buf"
+        },
+        {
+            "name": "nonce",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_noncebytes()"
+        },
+        {
+            "name": "publicKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_publickeybytes()"
+        },
+        {
+            "name": "privateKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_secretkeybytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "ciphertext",
+            "type": "buf",
+            "length": "message_length + libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_easy(ciphertext_address, message_address, message_length, 0, nonce_address, publicKey_address, privateKey_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "invalid usage"
+        }
+    ],
+    "return": "_format_output(ciphertext, outputFormat)"
+}
diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_easy_afternm.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_easy_afternm.json
new file mode 100644
index 00000000..29e53794
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_easy_afternm.json
@@ -0,0 +1,35 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_easy_afternm",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "message",
+            "type": "unsized_buf"
+        },
+        {
+            "name": "nonce",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_noncebytes()"
+        },
+        {
+            "name": "sharedKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_beforenmbytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "ciphertext",
+            "type": "buf",
+            "length": "message_length + libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_easy_afternm(ciphertext_address, message_address, message_length, 0, nonce_address, sharedKey_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "invalid usage"
+        }
+    ],
+    "return": "_format_output(ciphertext, outputFormat)"
+}
diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_detached.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_detached.json
new file mode 100644
index 00000000..29e7a6c0
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_detached.json
@@ -0,0 +1,45 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_open_detached",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "ciphertext",
+            "type": "unsized_buf"
+        },
+        {
+            "name": "mac",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        },
+        {
+            "name": "nonce",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_noncebytes()"
+        },
+        {
+            "name": "publicKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_publickeybytes()"
+        },
+        {
+            "name": "privateKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_secretkeybytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "plaintext",
+            "type": "buf",
+            "length": "ciphertext_length"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_open_detached(plaintext_address, ciphertext_address, mac_address, ciphertext_length, 0, nonce_address, publicKey_address, privateKey_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "incorrect key pair for the given ciphertext"
+        }
+    ],
+    "return": "_format_output(plaintext, outputFormat)"
+}
diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_detached_afternm.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_detached_afternm.json
new file mode 100644
index 00000000..85f78d80
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_detached_afternm.json
@@ -0,0 +1,40 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_open_detached_afternm",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "ciphertext",
+            "type": "unsized_buf"
+        },
+        {
+            "name": "mac",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        },
+        {
+            "name": "nonce",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_noncebytes()"
+        },
+        {
+            "name": "sharedKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_beforenmbytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "plaintext",
+            "type": "buf",
+            "length": "ciphertext_length"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_open_detached_afternm(plaintext_address, ciphertext_address, mac_address, ciphertext_length, 0, nonce_address, sharedKey_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "incorrect secret key for the given ciphertext"
+        }
+    ],
+    "return": "_format_output(plaintext, outputFormat)"
+}
diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_easy.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_easy.json
new file mode 100644
index 00000000..24f9f4e4
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_easy.json
@@ -0,0 +1,41 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_open_easy",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "ciphertext",
+            "type": "minsized_buf",
+            "min_length": "libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        },
+        {
+            "name": "nonce",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_noncebytes()"
+        },
+        {
+            "name": "publicKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_publickeybytes()"
+        },
+        {
+            "name": "privateKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_secretkeybytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "plaintext",
+            "type": "buf",
+            "length": "ciphertext_length - libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_open_easy(plaintext_address, ciphertext_address, ciphertext_length, 0, nonce_address, publicKey_address, privateKey_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "incorrect key pair for the given ciphertext"
+        }
+    ],
+    "return": "_format_output(plaintext, outputFormat)"
+}
diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_easy_afternm.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_easy_afternm.json
new file mode 100644
index 00000000..aec5ae9d
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_open_easy_afternm.json
@@ -0,0 +1,36 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_open_easy_afternm",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "ciphertext",
+            "type": "unsized_buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        },
+        {
+            "name": "nonce",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_noncebytes()"
+        },
+        {
+            "name": "sharedKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_beforenmbytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "plaintext",
+            "type": "buf",
+            "length": "ciphertext_length - libsodium._crypto_box_curve25519xchacha20poly1305_macbytes()"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_open_easy_afternm(plaintext_address, ciphertext_address, ciphertext_length, 0, nonce_address, sharedKey_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "incorrect secret key for the given ciphertext"
+        }
+    ],
+    "return": "_format_output(plaintext, outputFormat)"
+}
diff --git a/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_seed_keypair.json b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_seed_keypair.json
new file mode 100644
index 00000000..736e5dbb
--- /dev/null
+++ b/wrapper/symbols/crypto_box_curve25519xchacha20poly1305_seed_keypair.json
@@ -0,0 +1,31 @@
+{
+    "name": "crypto_box_curve25519xchacha20poly1305_seed_keypair",
+    "type": "function",
+    "inputs": [
+        {
+            "name": "seed",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_seedbytes()"
+        }
+    ],
+    "outputs": [
+        {
+            "name": "publicKey",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_publickeybytes()",
+            "type": "buf"
+        },
+        {
+            "name": "privateKey",
+            "type": "buf",
+            "length": "libsodium._crypto_box_curve25519xchacha20poly1305_secretkeybytes()"
+        }
+    ],
+    "target": "libsodium._crypto_box_curve25519xchacha20poly1305_seed_keypair(publicKey_address, privateKey_address, seed_address) | 0",
+    "assert_retval": [
+        {
+            "condition": "=== 0",
+            "or_else_throw": "invalid usage"
+        }
+    ],
+    "return": "{publicKey: _format_output(publicKey, outputFormat), privateKey: _format_output(privateKey, outputFormat), keyType: 'x25519'}"
+}