fix blake3 serialization

Author: divinity76

ext/hash/php_hash_blake3.h

@@ -8,8 +8,8 @@
 
 // typedef struct blake3_hasher PHP_BLAKE3_CTX;
 #define PHP_BLAKE3_CTX blake3_hasher
-// help: what is V supposed to be?
-#define PHP_BLAKE3_SPEC "l.I_HAVE_NO_IDEA_WHAT_THIS_IS_SUPPOSED_TO_BE"
+// help: is V correct?
+#define PHP_BLAKE3_SPEC "b8b8qb64bbbbb1760"
 
 PHP_HASH_API void PHP_BLAKE3Init(PHP_BLAKE3_CTX *context);
 PHP_HASH_API void PHP_BLAKE3Update(PHP_BLAKE3_CTX *context, const unsigned char *input, size_t len);
@@ -27,7 +27,7 @@ const php_hash_ops php_hash_blake3_ops = {
 	PHP_BLAKE3_SPEC, // << don't know what this should be, hopefully a dev that knows can remove this comment
 	BLAKE3_OUT_LEN /*32*/,
 	BLAKE3_CHUNK_LEN /*1024*/,
-	sizeof(*((PHP_BLAKE3_CTX*)NULL)), // << bet there's a better way to write that
+	sizeof(PHP_BLAKE3_CTX),
 	1
 };
 

ext/hash/tests/hash_serialize_001.phpt

@@ -154,6 +154,9 @@ string(16) "bebc746a33b6ab62"
 string(5) "joaat"
 string(8) "aaebf370"
 string(8) "aaebf370"
+string(6) "blake3"
+string(64) "e232493e3d416e24ffc588b24a1772ccc6f80290f1920cf15f21313bc3543a51"
+string(64) "e232493e3d416e24ffc588b24a1772ccc6f80290f1920cf15f21313bc3543a51"
 string(10) "haval128,3"
 string(32) "86362472c8895e68e223ef8b3711d8d9"
 string(32) "86362472c8895e68e223ef8b3711d8d9"
@@ -313,6 +316,9 @@ string(16) "893899e4415a920f"
 string(5) "joaat"
 string(8) "836fb0e5"
 string(8) "836fb0e5"
+string(6) "blake3"
+string(64) "dbdea45e5a6c3bad18a4f96d9d4b9105e4cceaa4fc06568f69829435c47587fb"
+string(64) "dbdea45e5a6c3bad18a4f96d9d4b9105e4cceaa4fc06568f69829435c47587fb"
 string(10) "haval128,3"
 string(32) "ebeeeb05c18af1e53d2d127b561d5e0d"
 string(32) "ebeeeb05c18af1e53d2d127b561d5e0d"

ext/hash/tests/hash_serialize_002.phpt

@@ -83,6 +83,8 @@ string(4) "gost"
 HashContext with HASH_HMAC option cannot be serialized
 string(11) "gost-crypto"
 HashContext with HASH_HMAC option cannot be serialized
+string(6) "blake3"
+HashContext with HASH_HMAC option cannot be serialized
 string(10) "haval128,3"
 HashContext with HASH_HMAC option cannot be serialized
 string(10) "haval160,3"