libmwemu 0.24.5

x86 32/64bits and system internals emulator, for securely emulating malware and other stuff.
Documentation 
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use crate::windows::constants;
use crate::emu;
use crate::winapi::helper;

pub fn CryptCreateHash(emu: &mut emu::Emu) {
    let hprov = emu
        .maps
        .read_dword(emu.regs().rsp)
        .expect("kernel32!CryptCreateHash error reading param");
    let algid = emu
        .maps
        .read_dword(emu.regs().rsp + 4)
        .expect("kernel32!CryptCreateHash error reading param");
    let hkey = emu
        .maps
        .read_dword(emu.regs().rsp + 8)
        .expect("kernel32!CryptCreateHash error reading param");
    let flags = emu
        .maps
        .read_dword(emu.regs().rsp + 12)
        .expect("kernel32!CryptCreateHash error reading param");
    let ptr_hash = emu
        .maps
        .read_dword(emu.regs().rsp + 16)
        .expect("kernel32!CryptCreateHash error reading param") as u64;

    let alg_name = constants::get_cryptoalgorithm_name(algid);

    log_red!(emu, "kernel32!CryptCreateHash alg:{}", alg_name);

    for _ in 0..5 {
        emu.stack_pop32(false);
    }

    emu.maps.write_dword(
        ptr_hash,
        helper::handler_create(&format!("alg://{}", alg_name)) as u32,
    );
    emu.regs_mut().rax = 1;
}