src/java.base/share/classes/sun/security/ssl/HandshakeHash.java
changeset 53734 cb1642ccc732
parent 53563 a4b7ea85d668
--- a/src/java.base/share/classes/sun/security/ssl/HandshakeHash.java	Tue Feb 12 15:19:25 2019 -0500
+++ b/src/java.base/share/classes/sun/security/ssl/HandshakeHash.java	Tue Feb 12 13:36:15 2019 -0800
@@ -29,6 +29,7 @@
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.util.Arrays;
 import java.util.LinkedList;
 import javax.crypto.SecretKey;
@@ -269,8 +270,13 @@
         private final ByteArrayOutputStream baos;
 
         S30HandshakeHash(CipherSuite cipherSuite) {
-            this.mdMD5 = JsseJce.getMessageDigest("MD5");
-            this.mdSHA = JsseJce.getMessageDigest("SHA");
+            try {
+                this.mdMD5 = MessageDigest.getInstance("MD5");
+                this.mdSHA = MessageDigest.getInstance("SHA");
+            } catch (NoSuchAlgorithmException nsae) {
+                throw new RuntimeException(
+                    "Hash algorithm MD5 or SHA is not available", nsae);
+            }
 
             boolean hasArchived = false;
             if (mdMD5 instanceof Cloneable) {
@@ -379,7 +385,12 @@
                             "MessageDigest does no support clone operation");
                 }
             } else {
-                md5Clone = JsseJce.getMessageDigest("MD5");
+                try {
+                    md5Clone = MessageDigest.getInstance("MD5");
+                } catch (NoSuchAlgorithmException nsae) {
+                    throw new RuntimeException(
+                        "Hash algorithm MD5 is not available", nsae);
+                }
                 md5Clone.update(md5.archived());
             }
 
@@ -396,7 +407,12 @@
                             "MessageDigest does no support clone operation");
                 }
             } else {
-                shaClone = JsseJce.getMessageDigest("SHA");
+                try {
+                    shaClone = MessageDigest.getInstance("SHA");
+                } catch (NoSuchAlgorithmException nsae) {
+                    throw new RuntimeException(
+                        "Hash algorithm SHA is not available", nsae);
+                }
                 shaClone.update(sha.archived());
             }
 
@@ -447,8 +463,15 @@
         private final ByteArrayOutputStream baos;
 
         T10HandshakeHash(CipherSuite cipherSuite) {
-            MessageDigest mdMD5 = JsseJce.getMessageDigest("MD5");
-            MessageDigest mdSHA = JsseJce.getMessageDigest("SHA");
+            MessageDigest mdMD5;
+            MessageDigest mdSHA;
+            try {
+                mdMD5 = MessageDigest.getInstance("MD5");
+                mdSHA = MessageDigest.getInstance("SHA");
+            } catch (NoSuchAlgorithmException nsae) {
+                throw new RuntimeException(
+                    "Hash algorithm MD5 or SHA is not available", nsae);
+            }
 
             boolean hasArchived = false;
             if (mdMD5 instanceof Cloneable) {
@@ -514,8 +537,15 @@
         private final ByteArrayOutputStream baos;
 
         T12HandshakeHash(CipherSuite cipherSuite) {
-            MessageDigest md =
-                    JsseJce.getMessageDigest(cipherSuite.hashAlg.name);
+            MessageDigest md;
+            try {
+                md = MessageDigest.getInstance(cipherSuite.hashAlg.name);
+            } catch (NoSuchAlgorithmException nsae) {
+                throw new RuntimeException(
+                        "Hash algorithm " +
+                        cipherSuite.hashAlg.name + " is not available", nsae);
+            }
+
             if (md instanceof Cloneable) {
                 transcriptHash = new CloneableHash(md);
                 this.baos = new ByteArrayOutputStream();
@@ -552,8 +582,15 @@
         private final TranscriptHash transcriptHash;
 
         T13HandshakeHash(CipherSuite cipherSuite) {
-            MessageDigest md =
-                    JsseJce.getMessageDigest(cipherSuite.hashAlg.name);
+            MessageDigest md;
+            try {
+                md = MessageDigest.getInstance(cipherSuite.hashAlg.name);
+            } catch (NoSuchAlgorithmException nsae) {
+                throw new RuntimeException(
+                        "Hash algorithm " +
+                        cipherSuite.hashAlg.name + " is not available", nsae);
+            }
+
             if (md instanceof Cloneable) {
                 transcriptHash = new CloneableHash(md);
             } else {