Correct the argument names for ext/sodium functions

Closes GH-6969.

Author: paragonie-security

ext/sodium/libsodium.stub.php

@@ -52,7 +52,7 @@ function sodium_crypto_box_publickey(string $key_pair): string {}
 
 function sodium_crypto_box_publickey_from_secretkey(string $secret_key): string {}
 
-function sodium_crypto_box_seal(string $message, string $key_pair): string {}
+function sodium_crypto_box_seal(string $message, string $public_key): string {}
 
 function sodium_crypto_box_seal_open(string $ciphertext, string $key_pair): string|false {}
 
@@ -142,7 +142,7 @@ function sodium_crypto_sign_keypair(): string {}
 
 function sodium_crypto_sign_keypair_from_secretkey_and_publickey(string $secret_key, string $public_key): string {}
 
-function sodium_crypto_sign_open(string $ciphertext, string $public_key): string|false {}
+function sodium_crypto_sign_open(string $signed_message, string $public_key): string|false {}
 
 function sodium_crypto_sign_publickey(string $key_pair): string {}
 
@@ -170,7 +170,7 @@ function sodium_memcmp(string $string1, string $string2): int {}
 
 function sodium_memzero(string &$string): void {}
 
-function sodium_pad(string $string, int $length): string {}
+function sodium_pad(string $string, int $block_size): string {}
 
 function sodium_unpad(string $string, int $block_size): string {}
 

ext/sodium/libsodium_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: b34401e98646f1e85a8dd292477cac68c6e4ac97 */
+ * Stub hash: 1d75807de20b87cd274e6073ef9c9392a34f7279 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_sodium_crypto_aead_aes256gcm_is_available, 0, 0, _IS_BOOL, 0)
 ZEND_END_ARG_INFO()
@@ -119,7 +119,7 @@ ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_sodium_crypto_box_seal, 0, 2, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, message, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, key_pair, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO(0, public_key, IS_STRING, 0)
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_sodium_crypto_box_seal_open, 0, 2, MAY_BE_STRING|MAY_BE_FALSE)
@@ -320,7 +320,7 @@ ZEND_END_ARG_INFO()
 #define arginfo_sodium_crypto_sign_keypair_from_secretkey_and_publickey arginfo_sodium_crypto_box_keypair_from_secretkey_and_publickey
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_sodium_crypto_sign_open, 0, 2, MAY_BE_STRING|MAY_BE_FALSE)
-	ZEND_ARG_TYPE_INFO(0, ciphertext, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO(0, signed_message, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, public_key, IS_STRING, 0)
 ZEND_END_ARG_INFO()
 
@@ -367,15 +367,12 @@ ZEND_END_ARG_INFO()
 #define arginfo_sodium_memzero arginfo_sodium_increment
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_sodium_pad, 0, 2, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, string, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, length, IS_LONG, 0)
-ZEND_END_ARG_INFO()
-
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_sodium_unpad, 0, 2, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, string, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, block_size, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
+#define arginfo_sodium_unpad arginfo_sodium_pad
+
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_sodium_bin2hex, 0, 1, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, string, IS_STRING, 0)
 ZEND_END_ARG_INFO()