Hi
You're thinking of "rsa_pub_enc" right? The way I read it, it's a pointer to a function, not a declaration. So most likely, you will have several different implementations, if you grep for it, you might see stuff like
struct rsa_meth_st smth;
/* set function pointer */
smth.rsa_pub_enc = some_function_name;
/* call it */
smth.rsa_pub_enc(...);
grepping for "rsa_pub_enc = " might give you all functions, and all those functions should have implementations.
Hope this helps,
Guttorm
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