How to get a RSA key out of a String

I want to write a program where the user enters a password and than the private key and public key (RSA) is generatet.
I have tried this with DES and the only problem was that i have to convert the encryptet string into a byte array.
Are there any other things what i should know when i convert the DES algorithm to the RSA (i know RSA hast two keys) and can you help me out with the other problem?

hi,
the only algorithm wich based directly on a password in JCE (and a additional salt) is PBEWithMD5AndDES. But DES isn't an asynchron key/encryption. it's a secret (symetric) key. you can't convert DES to RSA. this both are complete diff ways for encryption.
the next what i don't understand is why is it a problem for you to convert a string to a byte-array when the encryption it' needed?
expl:
String s = "thatsmypwassword";
byte[] ba = s.getBytes();encrypt/decrypt ba
and later the return
s = new String(ba);cu
oliver scorp

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How to get this report format out ?

Hello all experts,
Sample table creations like the following. Note checkno under xcheck table is not unique. Have tried pivotting the xcheck table then link pivoted xcechk with xcert using certno and invno but this willl end up getting duplicate records. Can u please help ? Basically I am stuck at how to get that vendor name out on the report
create table xcert(
certseq number primary key,
certno varchar2(5) not null,
vendor varchar2(25));
create table xcheck(
checkseq number primary key,
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Xcert Data
certseq certno     vendor
1     C1001     BP GAS
2     C1002     BUG PEST CONTROL
3     C1003     BP GAS
4     C1004     BP GAS
5     C1005     WILLIES BESTxcheck Data
checkseq     checkno          invno
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2          EF500002     C1002
3          EF500002     C1005Looking for a following report format
checkno          invno               vendor
EF500001     C1001,C1003,C1004     BP GAS
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EF500002     C1005               WILLIES BEST      Thank you
Munshar

Hi, Munshar,
MunSharmi wrote:
Frank,
"I don't see why you would need another column. What would you need to store, or retrieve, that a table like this wouldn't allow?
Notice my orignal xcheck table data plus a check date column
{code}
checkseq     checkno          invno               checkdate
1          EF500001     C1001,C1003,C1004     11/01/2010
2          EF500002     C1002               12/10/2010
3          EF500002     C1005               01/01/2011
{code}Sure, if you have other data that you haven't mentioned yet, then you need other columns, and maybe even other tables, to store that data.
Talking about this would be a lot easier if you described what you were trying to model in these tables, and what the different entities are.
after nomalization
{code}
seq(PK)     checkseq     checkno          invno               checkdate
1     1          EF500001     C1001               11/01/2010
2     1          EF500001     C1003               11/01/2010
3     1          EF500001     C1004               11/01/2010
4     2          EF500002     C1002               12/10/2010
5     3          EF500002     C1005               01/01/2011
{code}What do checkseq and checkdate represent? What is the realtionship between them? If there is another row with checkseq=3, will it necessarily have checkdate=01/01/2011? If there is another row with checkdate=01/01/2011, will it necessarily have checkseq=3?
Shouldn't I need to have the extra seq(PK), then use check seq to group the data report to meet users' target format ? Please adviseIt depends on what your entities are. If you explain that, then perhaps I can give some advice about how to model them.
In general, every type of entity requires a separate table. It looks like xcert represents one kind of entity, uniquely identified by certno. I assume there is some other kind of entity, uniquely identified by checkno, and that you have a table for that which you haven't needed to show in this thread.
Are you saying that there's some other entity, that is uniquely identified by checkseq? If so, it probably needs a table of it's own.
Every table should have a primary key. I had assumed that checkseq only served as the primary key of the xcheck table. If it serves some other purpose, then yes, you would need another column.
Many-to-many relationships usually require a separate table. I was guessing that xcheck was intended to record a many-to-many realtionship between xcert and some other table. Guessing is not always the best way to solve problems. I think it would be better if you explained what you want to do, rather than have me guess at it.
So far, what you've shown is analagous to an order entry system. One kind of entity is customer, another is supplier. Say you're running a company that sells products from many suppliers to many customers. There is a many-to-many relationship between customers and suppliers. Any customer may buy from many suppliers; any supllier may sell to many cutomers. You may have an orders table that keeps track of that many-to-many relationship. You may also have another entity, salesman, that also has many-to-many relationships with customers and suppliers. Depending on what exactly you consider an "order", there are lots of different ways to model this. Can a single order involve many customers? Can a single order involve many suppliers? Can a single order involve many salesmen? If an order always involves one customer buying from one supplier using one salesman, then you may only need four tables. If the situation is more complicated, then you may need more tables.

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Hi everyone,
<root>
<category name="Mens Clothing" id="0">
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You also can reply by e-mail.. thanks

Hi...
I am information technology student. I am now first
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Thu Rein Nyo...
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hi groups,
jdev 11.1.1.5.0 - adfbc
here i learned from Jabr how to get the two out - parameter values which used in procedure.
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ok fine. that part is well enough.
by normally,
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this is to subu123.
oh ho. :(
this is to santos
thanks santosh as you said i tried.
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if(PscdProdId != null)
adf.object.applicationModule.ProcFindProdQueryDesc(PscdBu,PscdProdId,PscdProdRev).p_desc1;
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## Detail 0 ##i didnot know why it's expecting signature of that method defined in AM .
it's already there. Anything special with groovy while accessing.

How to get the UDDI Key to publish a service provider system in SR?

Hi,
I am following instruction in appendix 1 & 2 of the white paper at https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/1079b1af-dcb7-2b10-9ebb-eafcaa3cbbea?overridelayout=true
trying to publish a service provider system into the service registry. One thing not clear to me is how to get the uddikey as needed in step 6 in appendix 1.
My service registry is in a PI 7.1 SP4 system. I followed the instruction in appendix 2 but there is no uddi key displayed in the General tab. Please help.
Regards,
Jiannan
Paragraph extracted from the whitepaper:
There may be cases in which the NWA logical settings do not match the Services Repository
settings when Visual Composer is trying to locate the enterprise services. Such cases can occur
when there is no SLD ID definition of the physical system in the Services Repository.
Currently, Visual Composer cannot search for services on a physical system with an empty SLD ID
(which is not a valid one).
To obtain this capability, the following steps should be performed to generate the necessary data
for each system with a non-valid SLD ID, so that Visual Composer can search for services over it.
1.Log on to http://<serverName>:<serverPort>/WSNavigator.
2.Select the Services Registry radio button.
3.In the Find field, enter sr and choose Go.
4.Select the ServicesRegistrySi line and choose Next.
5.Under the Operation Name, search for the publishPhysicalSystems operation, select it and choose Next.
6.Fill the service information parameters with the following (see Appendix 2 for details on how to get this information) :
6.1.Click the + icon in the physical system[].
6.2.Deselect the Classifications checkbox.
6.3.Click the + icon in the classificationReferenceGroups[].
6.4.Click the + icon in the classificationReferences[].
6.5.Deselect the classificationSystemKey checkbox.
6.6.Deselect the uddiKey checkbox and enter the value <localUddiKey>.
6.7.Deselect the value checkbox and enter the value <localSystemHostName>.
6.8.Deselect the host checkbox and enter the value <localHostName>.
6.9.Deselect the physicalSystemKey checkbox.
6.10.Deselect the logical key checkbox and enter the value <System name>.<SystemHome>.<host name>.
6.11.Deselect the systemName checkbox and enter the value <system name>.
6.12.Deselect the type checkbox and enter the value 2.

Hi Jiannan,
No worries, you can go to UDDI client from the main page of PI i.e. http://<serverName>:<serverPort>/
And you use the search function for the TModel for your Physical System. Search parameters can use the % wildcard.
Hit the search and you find the UDDI Key for the Physical System.
Cheers.
Hemant Chahal

How to use the RSA key files generated by Crypto++ in java

Hi - Good day to all :)
I have two RSA key files(private key file and public key file) generated by Crypto++ 5.2.1:
code here:
void GenerateRSAKey(unsigned int keyLength, const char *privFilename, const char *pubFilename, const char *seed)
     RandomPool randPool;
     randPool.Put((byte *)seed, strlen(seed));
     RSAES_OAEP_SHA_Decryptor priv(randPool, keyLength);
     HexEncoder privFile(new FileSink(privFilename));
     priv.DEREncode(privFile);
     privFile.MessageEnd();
     RSAES_OAEP_SHA_Encryptor pub(priv);
     HexEncoder pubFile(new FileSink(pubFilename));
     pub.DEREncode(pubFile);
     pubFile.MessageEnd();
}generated private key is:
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use this key in java
BufferedInputStream input=new BufferedInputStream(new FileInputStream("privateKey"));
          int size= input.available();
          byte[]buffer=new byte[size];
          input.read(buffer);
X509EncodedKeySpec lX509EncodedKeySpec = new X509EncodedKeySpec(buffer);
          PrivateKey lPrivateKey = KeyFactory.getInstance("RSA").generatePrivate(lX509EncodedKeySpec);there is a exception,at generatePrivate() method
at sun.security.rsa.RSAKeyFactory.generatePrivate(RSAKeyFactory.java:294)
     at sun.security.rsa.RSAKeyFactory.engineGeneratePrivate(RSAKeyFactory.java:171)
     at java.security.KeyFactory.generatePrivate(KeyFactory.java:322)
     at test.Main.main(Main.java:27)any body can help me?

X509 is for public keys, not private keys. You need PKCS8 using PKCS8EncodedKeySpec on the hex decoded private key string.
Your method for reading the private key from the file is flawed. The method available() does not guarantee to give you the file length. This is easy to prove since files can be longer than Integer.MAX_VALUE and available() returns an 'int'. To get the file length use File.length() which returns a 'long'. Also, reading from an InputStream using
input.read(buffer); does not guarantee to read all the bytes. For that you need to use something like DataInputStream.readFully().

How to get a RSA key out of a String

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