Hi The encrypted string length depends on the keysize(for generating RSA Keys) and the RSA encryption scheme used . This limits the length of the string that can be successfuly encrypted and decrypted. So just chk the length of input String. Hope this helps Sowmya --- [EMAIL PROTECTED] wrote: > Hi, > > I have implemented a simple TCP client and server > processes such that..server > generates the RSA keys and send the public modulus > and public exponent to the > client. The client process uses these values to > encrypt a user entered string > and sends it back to server. The server then > decrypts the string and outputs > the decrypted string. I have used the crypto API in > openSSL for generating the > key, encryption and decryption. > > But, when the encrypted string is sent to the > server, not always the decryption > is successful. Some times I get an error > "11768:error:04065072:rsa > routines:RSA_EAY_PRIVATE_DECRYPT:padding check > failed:rsa_eay.c:481:". On some > further research I found out that I get the error > only when the encrypted > string length is less than 128 bytes. When the > length of the encypted string is > 128, all is fine. I haven't seen a encrypted string > greater than 128 till now > ______________________________________________________________________ > OpenSSL Project > http://www.openssl.org > User Support Mailing List > [EMAIL PROTECTED] > Automated List Manager [EMAIL PROTECTED]
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