bashrc: fix func newpasswd

.bashrc

@@ -440,13 +440,21 @@ function lastfile () {
 }
 
 function newpasswd() {
-	# from llama 3.3 70B
+	# from perflexity.ai (juin 2025)
-	tr -dc 'a-hj-km-no-pqrs-tuvwxyzABCDEFGHJKLMNOPQRSTUVWXYZ023456789' < /dev/urandom | fold -w 10 | head -n 1
+	# version 32 cara parmi alnum + symboles [entropie = 6,25bits]
+	# cat /dev/urandom | tr -dc 'A-Za-z0-9!@#$%^&*()_+=' | fold -w 32 | head -n 1
+
+	# version 32 cara parmi alnum + symboles sans 1 i I l [entropie = 6,17bits]
+	cat /dev/urandom | tr -dc 'A-HJ-KM-Za-hj-km-z0234567890!@#$%^&*()_+=' | fold -w 32 | head -n 1
+	
+	#
+	# version 32 carac parmi base64 [entropie = 6bits]	
+	# (suppression du/des = final)
+	# openssl rand -base64 32 | tr -d =
+	
+	# version 32 carac parmi les lettres et les chiffres (62 carac) [entropie = 5,95bits]
+	# cat /dev/urandom | tr -cd '[:alnum:]' | fold -w32 | head -1 
 
-	# base64: pas une bonne idee car limite le nombre de caracteres
-	# date +%s | sha256sum | base64 | head -c 32 ; echo
-	# hexadecimal=base16: pire
-	# openssl rand -hex 32
 }
 
 ## llm https://rez0.blog/hacking/2023/09/18/vim-llm-hacks.html