暗号ごっこ
投稿:2019-04-04
こんなツイートを見かけました。
これが私の公開鍵です。 あれ、公開鍵は公開してもいいんだよね?(・_・ ) ( ・_・)
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このサイトのURLと私のアカウント名を含む文書に署名しました。
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 たこルカΩは俺の嫁 ルモーリン(lemorin_jp) https://www.lemorin.jp -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEwEitvUyxvuFkiJK9JKNDPIuht94FAlyl3bYACgkQJKNDPIuh t94hixAAhXIY/TYO7f3uBTdw/+UxkADKoepEjCPyQfabTw3xP9L8MFgkvmuFgBmI dMtKRobUVvGpTfnWGUJlq0zykAZXQ1EFjv3ho0VmJphH9dKi98KDzD5i9U9J2Aqe hOgV84z0nB3njTr4HFqqfyyf3UI2sjlXZMMlVm/GW5jkfoxG4bLTceZZieGj17zV C0mEmCjbT1kOi93p5z3V4+3ZFAEWOglkfZvO//q32+RHDCb4WvQSbhLhXuMEY+r8 vuHsFne9CK67bkKlfOiyCCZtiQ4V3+MJt7S7rv6Mowqf6fYWiUWGo0KMxsrwz+3u /lj6xHxEF5jNNG5Ncm+bz4K+RbBP2T9v9KSwW0Xc3RwmvESsFbFq7BJQw1PTk54d JjG2i+z2/IefKTRprBSIjk1QfXqANJy0UXplyFOh9+4Dq3wikribEId8et0tMpUl spWkj1+DRgh1La7BjIVeOJFs5xOByI5TT/4iRyznkLbUq78wSDme1CX4Oc/8o+sZ uPSGd3GTmxAHDtr6VnCkx07LMxoH7/6/NrIEnJ+5OAdbD1bWETaYgpU0ZQ8BrE9E 6FP04eKHsPJa1D6gzDk8OVUODSUOZLG/yFNGDz7dLHB0Iio9zCD8SIU/HkP/WRD+ 73mVnFJAvyq7BkqeieMGnmq2XDUlwdoRbz7vYGPtl/UP3E7sF+U= =Wuh9 -----END PGP SIGNATURE-----
公開鍵で署名を検証して妥当であれば文書内のアカウントとドメインと秘密鍵の所有者が一致します。 秘密鍵と公開鍵は一組のペアであるから公開鍵の所有者も同じなので私の公開鍵です。 と、こんな感じで証明したことになる(といいなあ)。