HADOOP-17563. Upgrade BouncyCastle to 1.68 (apache#3980)

Addresses CVE-2020-15522 and CVE-2020-26939.

This can break builds with older maven shade plugins or
other code using asm.jar which is not aware of recent java bytecodes
and/or multirelease JARs.

Contributed by PJ Fanning

Change-Id: Iac4713d50fe8e00953aeb7168de62f8d36a707c8

Author: pjfanning

LICENSE-binary

@@ -451,8 +451,8 @@ com.microsoft.azure:azure-cosmosdb-gateway:2.4.5
 com.microsoft.azure:azure-data-lake-store-sdk:2.3.9
 com.microsoft.azure:azure-keyvault-core:1.0.0
 com.microsoft.sqlserver:mssql-jdbc:6.2.1.jre7
-org.bouncycastle:bcpkix-jdk15on:1.60
-org.bouncycastle:bcprov-jdk15on:1.60
+org.bouncycastle:bcpkix-jdk15on:1.68
+org.bouncycastle:bcprov-jdk15on:1.68
 org.checkerframework:checker-qual:2.5.2
 org.checkerframework:checker-qual:3.8.0
 org.codehaus.mojo:animal-sniffer-annotations:1.17

hadoop-project/pom.xml

@@ -106,7 +106,7 @@
     <guice.version>4.0</guice.version>
     <joda-time.version>2.9.9</joda-time.version>
 
-    <bouncycastle.version>1.60</bouncycastle.version>
+    <bouncycastle.version>1.68</bouncycastle.version>
 
     <!-- Required for testing LDAP integration -->
     <apacheds.version>2.0.0-M21</apacheds.version>