[openssl-dev] Guidance on browsing code base

[Benjamin Kaduk]

EAY is Eric A. Young, the original author of SSLeay, which became OpenSSL.

https://en.wikipedia.org/wiki/SSLeay

-Ben



On 10/23/2015 09:44 PM, Fan Zhang wrote:
> Thanks that seems to be the right place to look into.
>
> btw, what does eay stand for?
>
>> On Oct 23, 2015, at 5:50 PM, Benjamin Kaduk <bkaduk at akamai.com> wrote:
>>
>> On 10/23/2015 04:27 PM, Fan Zhang wrote:
>>> Hi, all,
>>>
>>> Happy to meet your guys by this email. I’m trying to dig into the code base and find an implementation of RSA signature. Naturally, I looked into the function `int RSA_sign` in file `crypto/rsa/rsa_sign.c`, which further calls the `RSA_private_encrypt` and `RSA_private_encrypt` calls the method `rsa_priv_enc` in `rsa->meth`.
>>>
>>> 83 int RSA_private_encrypt(int flen, const unsigned char *from,
>>> 84                         unsigned char *to, RSA *rsa, int padding)
>>> 85 {
>>> 86     return (rsa->meth->rsa_priv_enc(flen, from, to, rsa, padding));
>>> 87 }
>>>
>>> After this, I got lost. I couldn't find when `rsa->meth` is initialized. Or maybe more directly, where is the actual code implementing the `rsa_priv_enc`? Thanks in advance!
>>>
>> *rsa->meth is of type RSA_METHOD, which is a thing to search for.
>>
>> In particular, check out crypto/rsa/rsa_eay.c.
>>
>> -Ben Kaduk
>> _______________________________________________
>> openssl-dev mailing list
>> To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev