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    Problem using RSAPKCS1SignatureFormatter

    Hi, I have to generate message digest using SHA1 algorithm to produce 160 bit number. Then message digest is encrypted with signer's private key(using RSA ECB and PKCS#1 v1.5 padding) and convert to printable hex format. For the above specification i have tried the following code, I am...
  2. D

    Digital Signature

    Hi, I have problem while matching digital signature. I need to create a digital signature for a message. The message digest is generated using SHA-1 algorithm. Then it is encrypted with private key (using RSA ECB and PKCS#1 v1.5 padding) and converted to printable Hex. I am getting "Key not...
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