"Dr. Stephen Henson" <st...@openssl.org> wrote:
>
>On Thu, Dec 22, 2011, Per Hedeland wrote:
>>
>> EVP_EncryptInit(&rc4, EVP_rc4(), dummy_rc4_key, NULL);
>> if (rc4.cipher->ctx_size != sizeof(RC4_KEY)) {
>> error("RC4_CHAR");
>> }
>> EVP_EncryptInit(&des, EVP_des_cbc(), dummy_des_key, dummy_des_iv);
>> if (des.cipher->ctx_size != sizeof(DES_key_schedule)) {
>> error("DES_INT");
>> }
>
>You don't actually need that EVP_EncryptInit call: you can look at
>EVP_rc4()->ctx_size etc.
Ah, I missed that, even better - thanks again!
>While that will work with all current OpenSSL releases there is no guarantee
>that some future release wont do something else with the cipher internals.
Yes, I realize that.
--Per
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