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Forum: Alberico Lepore

2020-09-04, 16:39

Replies: 11

Not Ransomware Decryption

Views: 7,286

Posted By Alberico Lepore

I've factored 18 digits number, but I need help...

I've factored 18 digits number, but I need help optimizing the algorithm.

https://mersenneforum.org/showthread.php?p=556028#post556028

Forum: Alberico Lepore

2020-08-30, 16:27

Replies: 11

Not Ransomware Decryption

Views: 7,286

Posted By Alberico Lepore

3 digits ...

3 digits

...

Forum: Alberico Lepore

2020-08-30, 10:12

Replies: 11

Not Ransomware Decryption

Views: 7,286

Posted By Alberico Lepore

I like theory more than practice, maybe one day...

I like theory more than practice,
maybe one day I will

Forum: Alberico Lepore

2020-08-30, 09:37

Replies: 11

Not Ransomware Decryption

Views: 7,286

Posted By Alberico Lepore

4) [54*(k)*(n+1)+21*(k)+37*(n+1)+15...

4)
[54*(k)*(n+1)+21*(k)+37*(n+1)+15 ]-X=-3+72*(n+1)+18*((3*(3*k)-2*(3*n+1)-1)/3) , (18*n+7)*(6*3*(3*k)+1)=N
Example
[54*(k)*(n+1)+21*(k)+37*(n+1)+15 ]-152=-3+72*(n+1)+18*((3*(3*k)-2*(3*n+1)-1)/3)...

Forum: Alberico Lepore

2020-08-27, 20:39

Replies: 11

Not Ransomware Decryption

Views: 7,286

Posted By Alberico Lepore

Not Ransomware Decryption

In generale se N=(6*a+1)*(6*b+1)

In particolare se viene risolto il problema della fattorizzazione per questo caso viene risolta per tutti i numeri

Allora

1) Se a è nella forma a=3*n+1

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