New function, llSHA256String

Implement it in lslbasefuncs.py, and add tests. Also add more test vectors for llMD5String and llSHA1String.

builtins.txt

@@ -1,4 +1,4 @@
-// Generated by LSL2 Derived Files Generator. Database version: 0.0.20220928000; output module version: 0.0.20140731000
+// Generated by LSL2 Derived Files Generator. Database version: 0.0.20221014000; output module version: 0.0.20140731000
 integer llAbs( integer val )
 float llAcos( float val )
 void llAddToLandBanList( key avatar, float hours )
@@ -343,6 +343,7 @@ void llRotTargetRemove( integer number )
 void llRotateTexture( float angle, integer face )
 integer llRound( float val )
 string llSHA1String( string src )
+string llSHA256String( string src )
 integer llSameGroup( key id )
 void llSay( integer channel, string msg )
 integer llScaleByFactor( float scaling_factor )

fndata.txt

@@ -1275,6 +1275,9 @@ integer llRound(float val)
 string llSHA1String(string src)
 - SEF
 
+string llSHA256String(string src)
+- SEF
+
 integer llSameGroup(key id)
 - SEF
 - min 0

lslopt/lslbasefuncs.py

@@ -1916,6 +1916,10 @@ def llSHA1String(s):
     s = fs(s)
     return str2u(hashlib.sha1(s.encode('utf8')).hexdigest(), 'utf8')
 
+def llSHA256String(s):
+    s = fs(s)
+    return str2u(hashlib.sha256(s.encode('utf8')).hexdigest(), 'utf8')
+
 def llSin(f):
     f = ff(f)
     if math.isinf(f):

unit_tests/expr.suite/misc-functions.lsl

@@ -9,5 +9,11 @@
 , llGetListEntryType([], 0)
 , llGetListEntryType([[]], 0)
 , llMD5String("", 0)
+, llMD5String("abc", 0)
+, llMD5String("abc", 1)
+, llMD5String("abc", -12345)
 , llSHA1String("")
+, llSHA1String("abc")
+, llSHA256String("")
+, llSHA256String("abc")
 ]

unit_tests/expr.suite/misc-functions.out

@@ -9,5 +9,11 @@
 , 0
 , 0
 , "1a9d5db22c73a993ff0b42f64b396873"
+, "cf4bab410c5a562ddef8587f22c939ca"
+, "7faac3319aba94a00596f1e271d9da82"
+, "412323da7b625c5890ff4f8641451565"
 , "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+, "a9993e364706816aba3e25717850c26c9cd0d89d"
+, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
 ]