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8209129: Further improvements to cipher buffer management

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Reviewed-by: weijun, igerasim
This commit is contained in:
Sean Coffey 2018-08-23 11:37:14 +01:00
parent 58e2f2d41c
commit 50ec35819d
15 changed files with 388 additions and 316 deletions
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10
src/java.base/share/classes/sun/security/provider/MD5.java
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@ -25,6 +25,8 @@
package sun.security.provider;
import java.util.Arrays;
import static sun.security.provider.ByteArrayAccess.*;
/**
@ -66,7 +68,7 @@ public final class MD5 extends DigestBase {
super("MD5", 16, 64);
state = new int[4];
x = new int[16];
implReset();
resetHashes();
}
// clone this object
@ -82,6 +84,12 @@ public final class MD5 extends DigestBase {
*/
void implReset() {
// Load magic initialization constants.
resetHashes();
// clear out old data
Arrays.fill(x, 0);
}
private void resetHashes() {
state[0] = 0x67452301;
state[1] = 0xefcdab89;
state[2] = 0x98badcfe;