Rsa - GSM-Forum

rovick · 01-08-2005, 12:12

what is rsa in SE phones? i mean does rsa stands for?

Crumarix1 · 01-09-2005, 14:02

well its is same question like as i posted :

after blame of other members i found ( some good souls ) explain to me :

that is the New protection algoritam inserted in flash to protect from unlocking, and other f u c k **** in flash file. This is another gift from SE programmers to make ours life harder, but thanks to Zulea and all others soldiers in this war we win again.

After removing RSA from file flash like an Swedien cheese , but we can flash phone and making it alive.

**..::Neo::..** · 01-09-2005, 14:18

we know what is RSA , the qustion is what does RSA stand for ?

*phone-company* · 01-09-2005, 16:39

R....Security Area (i don´t know)

msa · 01-09-2005, 18:48

Read it all here http://www.rsasecurity.com/rsalabs/

regards

msa

SFlood · 01-09-2005, 18:55

RSA stands for "Rascal, Saras, Andro" - names of celebrities of gsm underworld.

vee · 01-09-2005, 18:59

SFlood,

now i finally know

...
thanks a lot

...

PS. I wondered when I will hear those words form you

bharat · 01-10-2005, 02:24

Definition: A public-key cryptosystem for both encryption and authentication, invented in 1977 by Ron Rivest, Adi Shamir, and Leonard Adleman. Its name comes from their initials.

The RSA algorithm works as follows: take two large prime numbers, p and q, and find their product n = pq; n is called the modulus. Choose a number, e, less than n and relatively prime to (p-1)(q-1), and find its inverse, d, mod (p-1)(q-1), which means that ed = 1 mod (p-1)(q-1); e and d are called the public and private exponents, respectively. The public key is the pair (n,e); the private key is d. The factors p and q must be kept secret, or destroyed. It is difficult (presumably) to obtain the private key d from the public key (n,e). If one could factor n into p and q, however, then one could obtain the private key d. Thus the entire security of RSA depends on the difficulty of factoring; an easy method for factoring products of large prime numbers would break RSA.

01-08-2005, 12:12	#1 (permalink)
rovick Freak Poster Join Date: Sep 2004 Location: Singapore Age: 59 Posts: 113 Member: 84278 Status: Offline Thanks Meter: 22	Rsa what is rsa in SE phones? i mean does rsa stands for?

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01-09-2005, 14:02	#2 (permalink)
Crumarix1 No Life Poster Join Date: Sep 2004 Location: in AXE control room Age: 54 Posts: 954 Member: 84300 Status: Offline Thanks Meter: 74	well its is same question like as i posted : after blame of other members i found ( some good souls ) explain to me : that is the New protection algoritam inserted in flash to protect from unlocking, and other f u c k **** in flash file. This is another gift from SE programmers to make ours life harder, but thanks to Zulea and all others soldiers in this war we win again. After removing RSA from file flash like an Swedien cheese , but we can flash phone and making it alive.

01-09-2005, 14:18	#3 (permalink)
..::Neo::.. Administrator Join Date: Jul 2002 Location: E G Y P T Age: 38 Posts: 3,213 Member: 14178 Status: Offline Thanks Meter: 8,862	we know what is RSA , the qustion is what does RSA stand for ?

01-09-2005, 16:39	#4 (permalink)
phone-company No Life Poster Join Date: Mar 2004 Location: Nederlands / Germany / Danmark Age: 51 Posts: 2,461 Member: 60001 Status: Offline Sonork: 100.106474 Thanks Meter: 151	R....Security Area (i don´t know)

01-09-2005, 18:48	#5 (permalink)
msa No Life Poster Join Date: Nov 2002 Posts: 839 Member: 17424 Status: Offline Thanks Meter: 15	Read it all here http://www.rsasecurity.com/rsalabs/ regards msa

01-09-2005, 18:55	#6 (permalink)
SFlood No Life Poster Join Date: May 1999 Location: RU Posts: 906 Member: 83 Status: Offline Thanks Meter: 1	RSA stands for "Rascal, Saras, Andro" - names of celebrities of gsm underworld.

01-09-2005, 18:59	#7 (permalink)
vee Freak Poster Join Date: Oct 2004 Location: Zagreb, HR Age: 46 Posts: 166 Member: 86017 Status: Offline Thanks Meter: 1	SFlood, now i finally know ... thanks a lot ... PS. I wondered when I will hear those words form you

01-10-2005, 02:24	#8 (permalink)
bharat Freak Poster Join Date: Apr 2003 Location: london uk Posts: 156 Member: 27489 Status: Offline Thanks Meter: 53	Definition: A public-key cryptosystem for both encryption and authentication, invented in 1977 by Ron Rivest, Adi Shamir, and Leonard Adleman. Its name comes from their initials. The RSA algorithm works as follows: take two large prime numbers, p and q, and find their product n = pq; n is called the modulus. Choose a number, e, less than n and relatively prime to (p-1)(q-1), and find its inverse, d, mod (p-1)(q-1), which means that ed = 1 mod (p-1)(q-1); e and d are called the public and private exponents, respectively. The public key is the pair (n,e); the private key is d. The factors p and q must be kept secret, or destroyed. It is difficult (presumably) to obtain the private key d from the public key (n,e). If one could factor n into p and q, however, then one could obtain the private key d. Thus the entire security of RSA depends on the difficulty of factoring; an easy method for factoring products of large prime numbers would break RSA.