72DFBF5B A0DF5BE9

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location United States
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visits member for 3 months
seen Mar 17 at 23:03

Info:

    #include <crc64.h>
    #include <iostream>

    #define MyRealName "******* *****" // secret

    void main()
    {
        char firstname[8], lastname[8];
        char plain[14] = MyRealName;
        CCrc64 crc64 = new CCrc64();
        hash = crc64.genHash(plain);
        memcpy(firstname, plain, 8);
        memcpy(lastname, plain+8, 8);
        printf("First Name: \"%s\"\n", firstname);
        printf("Last Name: \"%s\"\n", lastname);
    }

Output:

    First Name: 72DFBF5B
    Last Name: A0DF5BE9

Jan
11
awarded  Teacher
Jan
11
comment Generate keys with k3d3 / ed25519-java
More info: blog.mozilla.org/warner/2011/11/29/ed25519-keys
Jan
11
comment Generate keys with k3d3 / ed25519-java
@Gracchus: Private signing keys can be generated from just the 32-byte seed, but require additional work before you can make signatures
Jan
11
comment Generate keys with k3d3 / ed25519-java
SK is signing key, there is a Python code here github.com/warner/python-ed25519/blob/master/src/ed25519/… which does have a function called create_keypair, that's how you create key pairs
Jan
11
answered Generate keys with k3d3 / ed25519-java
Jan
3
awarded  Scholar
Jan
3
accepted Keeping IV secret for AES CFB mode
Dec
27
comment Keeping IV secret for AES CFB mode
@nightcracker, I'll encrypt 32 bytes of strings with it, key will be managed properly, IV and keys will be generated using cryptographically secure algorithm and will be stored safe, now?
Dec
27
comment Keeping IV secret for AES CFB mode
@nightcracker, I know, I'll take care of rest, but I don't want to see a review about "weak cipher usage in app", so do you think CFB will not cause "weak cipher use" type of reviews?
Dec
27
comment Keeping IV secret for AES CFB mode
@nightcracker, I don't know, I just felt like that from other answer, do you think CFB is so secure and one of bests for 32 byte data encryption?
Dec
24
comment Keeping IV secret for AES CFB mode
Thank you for answer, just a final comment, if you think CFB is not so secure, which mode of AES is the strongest for encrypting just 32 bytes of strings?
Dec
24
comment Keeping IV secret for AES CFB mode
Thank you for such detailed explanation. Just last question, I've seen you and some others doesn't suggest CFB mode, so for encrypting 32 bytes of plain text, which method you suggest?
Dec
22
awarded  Student
Dec
22
asked Keeping IV secret for AES CFB mode