Re: Does AES_cbc_encrypt remove PKCS5 padding
I use that function, and it does not remove padding. 1 - How would it even know what is padding and what is your data? 2 - Why do you think it removes the padding? The function does not return a length. Here's a really wild guess: Are you perhaps padding your data with zeros and then using strlen() to determine the length of the result? owner-openssl-us...@openssl.org wrote on 05/06/2009 05:53:27 PM: AngelWarrior srikanth.bemin...@gmail.com But I am experimenting with the code which is actually removing the padding by calling AES_cbc_encrypt(unsigned char*)input, (unsigned char*)(output), (const unsigned long)(length), ks, (unsigned char*)ivec, AES_DECRYPT). What is EVP layer? On Wed, May 6, 2009 at 3:45 PM, Dr. Stephen Henson st...@openssl.org wrote: On Wed, May 06, 2009, AngelWarrior wrote: Hi, Does AES_cbc_encrypt add or remove the padding, if I provide an un-padded data in the multiples of 16 bytes? I wrote a piece code where I am manually adding the padding but when I decrypt using AES_cbc_encrypt the padding is automatically removed. None of the low level cipher routines including AES_cbc_encrypt() add or remove padding. That is handled in the EVP layer.
Does AES_cbc_encrypt remove PKCS5 padding
Hi, Does AES_cbc_encrypt add or remove the padding, if I provide an un-padded data in the multiples of 16 bytes? I wrote a piece code where I am manually adding the padding but when I decrypt using AES_cbc_encrypt the padding is automatically removed. -- _/\_ With Regards SB Angel Warrior
Re: Does AES_cbc_encrypt remove PKCS5 padding
On Wed, May 06, 2009, AngelWarrior wrote: Hi, Does AES_cbc_encrypt add or remove the padding, if I provide an un-padded data in the multiples of 16 bytes? I wrote a piece code where I am manually adding the padding but when I decrypt using AES_cbc_encrypt the padding is automatically removed. None of the low level cipher routines including AES_cbc_encrypt() add or remove padding. That is handled in the EVP layer. Steve. -- Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage OpenSSL project core developer and freelance consultant. Homepage: http://www.drh-consultancy.demon.co.uk __ OpenSSL Project http://www.openssl.org User Support Mailing Listopenssl-users@openssl.org Automated List Manager majord...@openssl.org
Re: Does AES_cbc_encrypt remove PKCS5 padding
But I am experimenting with the code which is actually removing the padding by calling AES_cbc_encrypt(unsigned char*)input, (unsigned char*)(output), (const unsigned long)(length), ks, (unsigned char*)ivec, AES_DECRYPT). What is EVP layer? On Wed, May 6, 2009 at 3:45 PM, Dr. Stephen Henson st...@openssl.orgwrote: On Wed, May 06, 2009, AngelWarrior wrote: Hi, Does AES_cbc_encrypt add or remove the padding, if I provide an un-padded data in the multiples of 16 bytes? I wrote a piece code where I am manually adding the padding but when I decrypt using AES_cbc_encrypt the padding is automatically removed. None of the low level cipher routines including AES_cbc_encrypt() add or remove padding. That is handled in the EVP layer. Steve. -- Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage OpenSSL project core developer and freelance consultant. Homepage: http://www.drh-consultancy.demon.co.uk __ OpenSSL Project http://www.openssl.org User Support Mailing Listopenssl-users@openssl.org Automated List Manager majord...@openssl.org -- _/\_ With Regards SB Angel Warrior
