Douglas Laing wrote:
I copied the do_crypt routine (General encryption, decryption function
example using FILE I/O and RC2 with an 80 bit key) from the
EVP_EncryptInit(3) man page and used it to encrypt a 433282 byte file.
Function EVP_CipherFinal_ex fails and ERR_get_error returns
`error:0606506D:lib(6):func(101):reason(109)', i.e. WRONG FINAL BLOCK
LENGTH. ctx.buf_len has a value of 2. I thought EVP_CipherFinal_ex
would pad the extra bytes and encrypt them.
as only EVP_DecryptFinal_ex can give the EVP_R_WRONG_FINAL_BLOCK_LENGTH
error message I guess you are trying to decrypt the message and hence
the error
Nils
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