<font size=2 face="sans-serif">We use a HSM to generate ECDSA Keys and
are required to use the curve brainpoolP256r1.</font><br><br><font size=2 face="sans-serif">Although the HSM does not specifically
support brainpool, it is possible to generate these keys by providing the
specific Curve Parameters. These curve parameters are then saved in CKA_EC_PARAMS
- the PKCS11 Object for the public key looks like this (several attributes
omitted):</font><br><br><font size=2 face="sans-serif"> CKA_CLASS CKO_PUBLIC_KEY</font><br><font size=2 face="sans-serif"> CKA_TOKEN true</font><br><font size=2 face="sans-serif"> CKA_PRIVATE false</font><br><font size=2 face="sans-serif"> CKA_KEY_TYPE CKK_EC</font><br><font size=2 face="sans-serif"> CKA_ID length 20</font><br><font size=2 face="sans-serif"> { 06223B39 9F887A9D CA547DAD
3E1CC1DD 675D6D1E }</font><br><font size=2 face="sans-serif"> CKA_KEY_GEN_MECHANISM CKM_EC_KEY_PAIR_GEN</font><br><font size=2 face="sans-serif"> CKA_EC_PARAMS length 227 (1816
bits)</font><br><font size=2 face="sans-serif"> { 0x30, 0x81, 0xE0, 0x02,
0x01, 0x01, 0x30, 0x2C, 0x06, 0x07, 0x2A, 0x86,</font><br><font size=2 face="sans-serif"> 0x48, 0xCE, 0x3D,
0x01, 0x01, 0x02, 0x21, 0x00, 0xA9, 0xFB, 0x57, 0xDB,</font><br><font size=2 face="sans-serif"> 0xA1, 0xEE, 0xA9,
0xBC, 0x3E, 0x66, 0x0A, 0x90, 0x9D, 0x83, 0x8D, 0x72,</font><br><font size=2 face="sans-serif"> 0x6E, 0x3B, 0xF6,
0x23, 0xD5, 0x26, 0x20, 0x28, 0x20, 0x13, 0x48, 0x1D,</font><br><font size=2 face="sans-serif"> 0x1F, 0x6E, 0x53,
0x77, 0x30, 0x44, 0x04, 0x20, 0x7D, 0x5A, 0x09, 0x75,</font><br><font size=2 face="sans-serif"> 0xFC, 0x2C, 0x30,
0x57, 0xEE, 0xF6, 0x75, 0x30, 0x41, 0x7A, 0xFF, 0xE7,</font><br><font size=2 face="sans-serif"> 0xFB, 0x80, 0x55,
0xC1, 0x26, 0xDC, 0x5C, 0x6C, 0xE9, 0x4A, 0x4B, 0x44,</font><br><font size=2 face="sans-serif"> 0xF3, 0x30, 0xB5,
0xD9, 0x04, 0x20, 0x26, 0xDC, 0x5C, 0x6C, 0xE9, 0x4A,</font><br><font size=2 face="sans-serif"> 0x4B, 0x44, 0xF3,
0x30, 0xB5, 0xD9, 0xBB, 0xD7, 0x7C, 0xBF, 0x95, 0x84,</font><br><font size=2 face="sans-serif"> 0x16, 0x29, 0x5C,
0xF7, 0xE1, 0xCE, 0x6B, 0xCC, 0xDC, 0x18, 0xFF, 0x8C,</font><br><font size=2 face="sans-serif"> 0x07, 0xB6, 0x04,
0x41, 0x04, 0x8B, 0xD2, 0xAE, 0xB9, 0xCB, 0x7E, 0x57,</font><br><font size=2 face="sans-serif"> 0xCB, 0x2C, 0x4B,
0x48, 0x2F, 0xFC, 0x81, 0xB7, 0xAF, 0xB9, 0xDE, 0x27,</font><br><font size=2 face="sans-serif"> 0xE1, 0xE3, 0xBD,
0x23, 0xC2, 0x3A, 0x44, 0x53, 0xBD, 0x9A, 0xCE, 0x32,</font><br><font size=2 face="sans-serif"> 0x62, 0x54, 0x7E,
0xF8, 0x35, 0xC3, 0xDA, 0xC4, 0xFD, 0x97, 0xF8, 0x46,</font><br><font size=2 face="sans-serif"> 0x1A, 0x14, 0x61,
0x1D, 0xC9, 0xC2, 0x77, 0x45, 0x13, 0x2D, 0xED, 0x8E,</font><br><font size=2 face="sans-serif"> 0x54, 0x5C, 0x1D,
0x54, 0xC7, 0x2F, 0x04, 0x69, 0x97, 0x02, 0x21, 0x00,</font><br><font size=2 face="sans-serif"> 0xA9, 0xFB, 0x57,
0xDB, 0xA1, 0xEE, 0xA9, 0xBC, 0x3E, 0x66, 0x0A, 0x90,</font><br><font size=2 face="sans-serif"> 0x9D, 0x83, 0x8D,
0x71, 0x8C, 0x39, 0x7A, 0xA3, 0xB5, 0x61, 0xA6, 0xF7,</font><br><font size=2 face="sans-serif"> 0x90, 0x1E, 0x0E,
0x82, 0x97, 0x48, 0x56, 0xA7, 0x02, 0x01, 0x01 }</font><br><font size=2 face="sans-serif"> CKA_EC_POINT length 67 (536 bits)</font><br><font size=2 face="sans-serif"> { 0x04, 0x41, 0x04, 0x05,
0x2C, 0x86, 0x09, 0x68, 0x17, 0x6E, 0x8D, 0x13,</font><br><font size=2 face="sans-serif"> 0xE8, 0xE8, 0x0E,
0x74, 0x08, 0x42, 0xBF, 0xD6, 0xFE, 0xE2, 0x8A, 0xBB,</font><br><font size=2 face="sans-serif"> 0x74, 0xC7, 0x0A,
0x6E, 0x8A, 0x10, 0x8A, 0x4E, 0x78, 0xA0, 0xDD, 0x14,</font><br><font size=2 face="sans-serif"> 0xC2, 0x82, 0x9D,
0xF5, 0xB0, 0x65, 0xF4, 0x94, 0xB4, 0xDF, 0x3E, 0x13,</font><br><font size=2 face="sans-serif"> 0xF9, 0x44, 0x96,
0x9F, 0x66, 0x3B, 0x6D, 0x5A, 0x87, 0xE7, 0xC8, 0x69,</font><br><font size=2 face="sans-serif"> 0x29, 0x57, 0xD0,
0x68, 0xE4, 0x2A, 0x2A }</font><br><br><font size=2 face="sans-serif">When using SunPKCS11 to load the KeyPair,
ECParams is used with the value of CKA_EC_PARAMS which then fails.</font><br><br><font size=2 face="sans-serif">So there are not many options I see
- either patching JDK or getting the HSM-Vendor to add support for brainpool...</font><br><br><font size=2 face="sans-serif">Thank you very much for the swift reply
and the contribution link.</font><br><br><br><br><br><font size=1 color=#5f5f5f face="sans-serif">Von:
</font><font size=1 face="sans-serif">Xuelei Fan <xuelei.fan@oracle.com></font><br><font size=1 color=#5f5f5f face="sans-serif">An:
</font><font size=1 face="sans-serif">Max Fichtelmann <Max.Fichtelmann@procilon.de>,
security-dev@openjdk.java.net</font><br><font size=1 color=#5f5f5f face="sans-serif">Datum:
</font><font size=1 face="sans-serif">06/12/2017 16:52</font><br><font size=1 color=#5f5f5f face="sans-serif">Betreff:
</font><font size=1 face="sans-serif">Re: Support
for ECParameters with explicit (not named) parameter spec</font><br><hr noshade><br><br><br><tt><font size=2>On 12/6/2017 4:24 AM, Max Fichtelmann wrote:<br>> Hello,<br>> <br>> currently sun.security.util.ECParameters.engineInit(byte[]) is limited
<br>> to parse named curves. A commented block outlining parsing of explicit
<br>> parameters is included below throwing "only named ECParameters
<br>> supported". That comment block seems to be unchanged from at
least jdk6 <br>> up until jdk10.<br>> <br>What's the requirement for unnamed parameter spec? For TLS or just basic
<br>crypto operation? Would you mind have an example about the use of
it?<br><br><br>> Is there any Plan to implement this at some time? Since I am needing
to <br>> implement it anyway, how could I provide that change?<br>> <br>Please refer to the "How to contribute" doc in OpenJDK:<br> </font></tt><a href=http://openjdk.java.net/contribute/><tt><font size=2>http://openjdk.java.net/contribute/</font></tt></a><tt><font size=2><br><br>Regards,<br>Xuelei<br><br>> Kind Regards,<br>> <br>> Max Fichtelmann<br>> <br>> <br>> <br>> *procilon IT-Logistics GmbH*<br>> Leipziger Straße 110<br>> 04425 Taucha bei Leipzig<br>> </font></tt><a href=www.procilon.de><tt><font size=2>www.procilon.de</font></tt></a><tt><font size=2><br>> <</font></tt><a href="https://www.procilon.de?utm_source=email&utm_medium=mail_disclaimer&utm_campaign=mail_disclaimer_proTECTr-app_1215"><tt><font size=2>https://www.procilon.de?utm_source=email&utm_medium=mail_disclaimer&utm_campaign=mail_disclaimer_proTECTr-app_1215</font></tt></a><tt><font size=2>><br>> <br>> ------------------------------------------------------------------------<br>> procilon IT-Systems GmbH & Co. KG<br>> Amtsgericht Leipzig HRA 16016<br>> Persönlich haftende Gesellschafterin:<br>> procentauri Beteiligungs- und Verwaltungsgesellschaft mbH<br>> Geschäftsführer Steffen Scholz, Amtsgericht Leipzig, Handelsregister
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