fix(simple-jwt-jjwt): Fixed the issue that cannot create the bean of JjwtTokenResolver with a 32-character secret.

Author: Zihlu Wang

simple-jwt-jjwt/src/main/java/cn/org/codecrafters/simplejwt/jjwt/JjwtTokenResolver.java

@@ -113,9 +113,9 @@ public JjwtTokenResolver(GuidCreator<?> jtiCreator, TokenAlgorithm algorithm, St
             throw new IllegalArgumentException("A secret is required to build a JSON Web Token.");
         }
 
-        if (secret.length() <= 32) {
+        if (secret.length() < 32) {
             log.error("""
-                      The provided secret which owns {} characters is too weak. Please replace it with a stronger one.""",
+                            The provided secret which owns {} characters is too weak. Please replace it with a stronger one.""",
                     secret.length());
             throw new WeakSecretException("""
                     The provided secret which owns %s characters is too weak. Please replace it with a stronger one."""
@@ -133,7 +133,7 @@ public JjwtTokenResolver(TokenAlgorithm algorithm, String issuer, String secret)
             throw new IllegalArgumentException("A secret is required to build a JSON Web Token.");
         }
 
-        if (secret.length() <= 32) {
+        if (secret.length() < 32) {
             log.error(
                     "The provided secret which owns {} characters is too weak. Please replace it with a stronger one.",
                     secret.length());
@@ -153,7 +153,7 @@ public JjwtTokenResolver(String issuer, String secret) {
             throw new IllegalArgumentException("A secret is required to build a JSON Web Token.");
         }
 
-        if (secret.length() <= 32) {
+        if (secret.length() < 32) {
             log.error(
                     "The provided secret which owns {} characters is too weak. Please replace it with a stronger one.",
                     secret.length());