PGP 短 ID 的安全問題

PGP 短 ID 的安全問題出來了,不見棺材不掉淚啊:「Fake Linus Torvalds' Key Found in the Wild, No More Short-IDs.」。

重點在這段,已經有人發出攻擊了:

Search Result of 0x00411886: https://pgp.mit.edu/pks/lookup?search=0x00411886&op=index
Fake Linus Torvalds: 0F6A 1465 32D8 69AE E438  F74B 6211 AA3B [0041 1886]
Real Linus Torvalds: ABAF 11C6 5A29 70B1 30AB  E3C4 79BE 3E43 [0041 1886]

Search Result of 0x6092693E: https://pgp.mit.edu/pks/lookup?search=0x6092693E&op=index
Fake Greg Kroah-Hartman: 497C 48CE 16B9 26E9 3F49  6301 2736 5DEA [6092 693E]
Real Greg Kroah-Hartman: 647F 2865 4894 E3BD 4571  99BE 38DB BDC8 [6092 693E]

另外作者給了還蠻重要的觀念:

DO NOT TRUST ANYTHING SHORTER THAN THE FINGERPRINTS.