deps: update base64 0.13 -> 0.21.

Additionally resolves use of deprecated fn.

Author: cpu

Cargo.lock

@@ -39,7 +39,7 @@ docsrs = ["jni", "once_cell"]
 [dependencies]
 rustls = { version = "0.21", features = ["dangerous_configuration", "tls12", "logging"] }
 log = { version = "0.4" }
-base64 = { version = "0.13", optional = true } # Only used when the `cert-logging` feature is enabled.
+base64 = { version = "0.21", optional = true } # Only used when the `cert-logging` feature is enabled.
 jni = { version = "0.19", default-features = false, optional = true } # Only used during doc generation
 once_cell = { version = "1.9", optional = true } # Only used during doc generation.
 

Cargo.toml

@@ -40,7 +40,13 @@ impl std::error::Error for EkuError {}
 // if we need to debug a user's situation.
 fn log_server_cert(_end_entity: &rustls::Certificate) {
     #[cfg(feature = "cert-logging")]
-    log::debug!("verifying certificate: {}", base64::encode(&_end_entity.0));
+    {
+        use base64::Engine;
+        log::debug!(
+            "verifying certificate: {}",
+            base64::engine::general_purpose::STANDARD.encode(&_end_entity.0)
+        );
+    }
 }
 
 #[cfg(any(windows, target_os = "android", target_os = "macos", target_os = "ios"))]