Hi Valerie,

> On Dec 12, 2018, at 6:21 AM, Valerie Peng <valerie.p...@oracle.com> wrote:
> 
> Hi Max,
> 
> <CSignature.java>
> 
> - Comments (line 60-63) missed SHA224withECDSA?

Oops.

> 
> - Line 430: should be "ECPublicKey"

Oops again.

> 
> - Line 919, 922: is it really necessary to have two methods with algorithm 
> name argument? It seems they are functionally the same but one calls CAPI vs 
> CNG. Can they be merged?

Yes.

> 
> <CKey.java>
> 
> - generateECBlob() method (line 110-148), is the extra 1 due to the sign bit 
> added by the BigInteger.toByteArray()? I recall BigInteger adds an extra 00 
> byte sometimes to indicate the positive value, but why is there an extra 1? 
> Are the bytes for x, y, bs longer than the allocated "keyLen" length?

You're right. I was thinking about the sign bit but got it wrong.

> 
> <security.cpp>
> 
> - line 627, shouldn't 'C' be at buffer[1]? If not, what is at buffer[1]? len 
> value is not checked, not sure how useful it is.

It's a Unicode algorithm name, so buffer[1] is zero. I didn't check len because 
32 is always enough for an algorithm name and there are at least 3 bytes there.

Thanks,
Max

> 
> Thanks,
> 
> Valerie
> 
> On 12/3/2018 7:14 AM, Weijun Wang wrote:
>> Please take a review at
>> 
>>  https://cr.openjdk.java.net/~weijun/8213010/webrev.00/
>> 
>> A Windows keystore is now able to load EC keys and uses them in signing and 
>> verifying with SHA<n>withECDSA.
>> 
>> Not supported:
>> 
>> 1. No EC KeyPairGenerator yet.
>> 
>> 2. Cannot store a EC key (from SunEC) into a Windows keystore. I still 
>> haven't figured out how to call NCryptImportKey, NCryptCreatePersistedKey 
>> and CertAddCertificateContextToStore together correctly to associate a EC 
>> private key to a cert and store them.
>> 
>> 3. SHA<n>withECDSAinP1363Format not supported, but it's easy to add them.
>> 
>> 4. NONEwithECDSA not supported.
>> 
>> Currently I can only use certmgr.exe to import a pkcs12 file and then run a 
>> manual test with it. Therefore no automatic test is included. Like RSA 
>> support in SunMSCAPI, Signature::initSign only support native keys. 
>> Signature::initVerify supports both native and SunEC keys. That said, since 
>> we do not have EC KeyPairGenerator yet you won't meet a real native EC 
>> public key.
>> 
>> Thanks
>> Max
>> 

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