Signatures (at least, RSA signatures) seem too long about openid-connect-java-spring-server HOT 1 CLOSED

#!/bin/bash
echo "eyJhbGciOiJSUzI1NiJ9.eyJhdXRoX3RpbWUiOjEzMzI5NjMzODIsImlzcyI6Imh0dHA6Ly9sb2NhbGhvc3QvIiwidXNlcl9pZCI6Im1qd2Fsc2giLCJhdWQiOiJyYXZlIiwiaWF0IjoxMzMyOTYzMzgyLCJub25jZSI6IjJmYTA3NTljZDc2NTUifQ" >  signaturebase.txt
echo "UNWfV0It3_JKL2fz6SQIaL1G-M48aciogupktunf-F9c6oaoEn3fo_S-oCp6mFceOE5AEw2aOL29wP03lqHXDIHnla4cO5P3ZqGb3K7o-whoy8oHiGaLw7Kn3IgygIAXGSU_6BXGjh0bzVp0n3JSmkZbD_QwteiaZnL3_hS4rNu-9vBAd6sZd9DzkiP7kejQHrBGwEwL6P1ntmHXKYqbID-oH9SD8rOGIAN7Q36EENoVa8rr9Qp3alceyUVlHkSryL3HyXQDUbXmD4KukKrngnKP-RUnOXcnNq8oUQsdm6GDodV8miCMTe9oRquQPtEZUjD03FjnjZEDdxPVgvq4JQ" > java_rsa_sha256_signature.txt
signaturebase=`cat signaturebase.txt`
baseCharCount=`cat signaturebase.txt | wc -c`
echo "Creating signature of \"$signaturebase\" which is $count characters long." 
signature=`cat java_rsa_sha256_signature.txt`
signatureCharCount=`cat java_rsa_sha256_signature.txt | wc -c`
echo "Java RSA SHA256 signature was $signatureCharCount characters long."
openssl genrsa -out private.pem 2048
#openssl genrsa -out private.pem 1024
openssl rsa -in private.pem -out public.pem -outform PEM -pubout
openssl dgst -sha256 < signaturebase.txt > hash
openssl rsautl -sign -inkey private.pem -keyform PEM -in hash  > signature
openssl enc -base64 -in signature > openssl_rsa_sha256_signature.txt
export signatureCharCount=`cat openssl_rsa_sha256_signature.txt | wc -c`
signatureCharCount=`echo "$signatureCharCount - 2" | bc` 
echo "OpenSSL RSA SHA256 signature was $signatureCharCount characters long."
openssl enc -d -base64 -in openssl_rsa_sha256_signature.txt -out signature2
openssl rsautl -verify -inkey public.pem -keyform PEM -pubin -in signature2 > verified
diff -s verified hash