I am looking for expert with encryption and decription like Triple DES and Single DES
- or -
Post a project like this$100
- Posted:
- Proposals: 3
- Remote
- #2138527
- Expired
Description
Experience Level: Intermediate
Hi, I am project agent from Jincowboy System.
I am looking for encrypting and decrypting expert for DES.
Don't bother me if you don't have any experienced with DES like triple DES and single DES.
Please apply to me after reading project specification
1. Encrypt 0x0000000000000000 with 64-bit key Z
2. Encrypt result of (1) with 64-bit key Z
3. Encrypt result of (2) with 64-bit key Z
4. XOR result of (3) with 0x00000000001C0002
5. Encrypt result of (4) with 64-bit key Z
6. XOR result of (5) with 0x0080000000000000
7. Encrypt result of (6) with 64-bit key Z
8. If the result of (7) = 0x755AB2C8CE5B6C9C, what's the value of 64-bit key Z?
Note: encryption is done with ISO/IEC 9797-1 Algorithm 3 (single DES)
I am looking for encrypting and decrypting expert for DES.
Don't bother me if you don't have any experienced with DES like triple DES and single DES.
Please apply to me after reading project specification
1. Encrypt 0x0000000000000000 with 64-bit key Z
2. Encrypt result of (1) with 64-bit key Z
3. Encrypt result of (2) with 64-bit key Z
4. XOR result of (3) with 0x00000000001C0002
5. Encrypt result of (4) with 64-bit key Z
6. XOR result of (5) with 0x0080000000000000
7. Encrypt result of (6) with 64-bit key Z
8. If the result of (7) = 0x755AB2C8CE5B6C9C, what's the value of 64-bit key Z?
Note: encryption is done with ISO/IEC 9797-1 Algorithm 3 (single DES)
Jo J.
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11 May 2024
China
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