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8293554: Enhanced DH Key Exchanges

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Reviewed-by: rhalade, mschoene, ascarpino, weijun
This commit is contained in:
Valerie Peng 2022-10-07 22:25:38 +00:00 • committed by Henry Jen
parent 2e8073e4f9
commit 6c5aefe60c
5 changed files with 91 additions and 60 deletions
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29
src/java.base/share/classes/sun/security/provider/ParameterCache.java
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@ -34,6 +34,7 @@ import java.security.SecureRandom;
import java.security.spec.*;
import javax.crypto.spec.DHParameterSpec;
import static sun.security.util.SecurityProviderConstants.getDefDHPrivateExpSize;
/**
* Cache for DSA and DH parameter specs. Used by the KeyPairGenerators
@ -562,15 +563,23 @@ public final class ParameterCache {
"60C980DD98EDD3DFFFFFFFFFFFFFFFFF", 16);
// use DSA parameters for DH for sizes not defined in RFC 7296, 3526
dhCache.put(Integer.valueOf(512), new DHParameterSpec(p512, g512));
dhCache.put(Integer.valueOf(768), new DHParameterSpec(dhP768, dhG));
dhCache.put(Integer.valueOf(1024), new DHParameterSpec(dhP1024, dhG));
dhCache.put(Integer.valueOf(1536), new DHParameterSpec(dhP1536, dhG));
dhCache.put(Integer.valueOf(2048), new DHParameterSpec(dhP2048, dhG));
dhCache.put(Integer.valueOf(3072), new DHParameterSpec(dhP3072, dhG));
dhCache.put(Integer.valueOf(4096), new DHParameterSpec(dhP4096, dhG));
dhCache.put(Integer.valueOf(6144), new DHParameterSpec(dhP6144, dhG));
dhCache.put(Integer.valueOf(8192), new DHParameterSpec(dhP8192, dhG));
dhCache.put(Integer.valueOf(512), new DHParameterSpec(p512, g512,
getDefDHPrivateExpSize(512)));
dhCache.put(Integer.valueOf(768), new DHParameterSpec(dhP768, dhG,
getDefDHPrivateExpSize(768)));
dhCache.put(Integer.valueOf(1024), new DHParameterSpec(dhP1024, dhG,
getDefDHPrivateExpSize(1024)));
dhCache.put(Integer.valueOf(1536), new DHParameterSpec(dhP1536, dhG,
getDefDHPrivateExpSize(1536)));
dhCache.put(Integer.valueOf(2048), new DHParameterSpec(dhP2048, dhG,
getDefDHPrivateExpSize(2048)));
dhCache.put(Integer.valueOf(3072), new DHParameterSpec(dhP3072, dhG,
getDefDHPrivateExpSize(3072)));
dhCache.put(Integer.valueOf(4096), new DHParameterSpec(dhP4096, dhG,
getDefDHPrivateExpSize(4096)));
dhCache.put(Integer.valueOf(6144), new DHParameterSpec(dhP6144, dhG,
getDefDHPrivateExpSize(6144)));
dhCache.put(Integer.valueOf(8192), new DHParameterSpec(dhP8192, dhG,
getDefDHPrivateExpSize(8192)));
}
}