This table is a template for comparing the different password-authenticated key establishment schemes considered for inclusion into P1363.2.
This version is the basis for a discussion during the teleconference of December 11, 2002.
|
Scheme |
Pub. date |
Augmented |
Client load |
Server load |
Proofs, analysis |
Assumptions |
Limitations |
Asserted Patents |
Use |
Other considerations |
|
BPKAS |
|
|
|
|
|
|
|
|
|
|
|
PAK |
2000 |
No |
2 |
2 |
Published |
|
no server commit |
Lucent |
|
|
|
PPK |
2000 |
No |
2 |
2 |
Published |
|
|
Lucent |
|
|
|
SPEKE |
1996 |
No |
2 |
2 |
Posted |
|
|
Phoenix |
Yes |
|
|
APKAS |
|
|
|
|
|
|
|
|
|
|
|
AMP |
2000 |
Yes |
2 |
2 |
|
|
2-for-1 |
|
|
|
|
BSPEKE1 |
1997 |
Yes |
4 |
4 |
|
|
|
Phoenix |
|
|
|
BSPEKE2 |
1999 |
Yes |
3 |
3 |
|
|
|
Phoenix |
Yes |
|
|
PAKX |
2000 |
Yes |
3 |
3 |
|
|
|
Lucent |
|
|
|
SRP3 |
1997 |
Yes |
3.2 |
2.2 |
|
|
2-for-1, |
Stanford |
Yes |
|
|
SRP4 |
2002 |
Yes |
2.2 |
2.2 |
|
|
|
|
|
|
|
SRP5 |
2001 |
Yes |
3.2 |
2.2 |
|
|
2-for-1, |
|
|
|
|
SRP6 |
2002 |
Yes |
3.2 |
2.2 |
|
|
? |
|
|
|
|
PKRS |
|
|
|
|
|
|
|
|
|
|
|
KRS1 |
2000 |
N/A |
|
|
|
Verisign |
Yes |
|
Notes: