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Date: Wed, 15 Apr 2015 10:48:29 +0800
From: Kai Zhao <>
Subject: Re: Advice on proposal: John the Ripper jumbo robustness

> Are you still working on this?


I think that we can comment the sevenzip_kdf(), and we can get a randomed
master[] every time. In this case, the sevenzip_decrypty() function hardly
return 0, so I comment it and set the value of cracked[index] by index.

static int crypt_all(int *pcount, struct db_salt *salt)

        /* derive key */
        unsigned char master[32];
        // sevenzip_kdf((unsigned char*)saved_key[index], master);

        /* do decryption and checks */
        // if(sevenzip_decrypt(master) == 0)
        if (0 == index % 2)
                cracked[index] = 1;
                cracked[index] = 0;



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