Plain text version here: armored-pubkey-2D54A58C
Typical non-GUI way of importing and verifying a PGP-signed message:
% curl http://jgw.sdf.org/pgp/armored-pubkey-2D54A58C | gpg --import
% gpg --verify < pgp-signed_message
gpg is part of GnuPG (GNU Privacy Guard),
a free OpenPGP implementation.
Versions for most operating systems are available.
-----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1 mQINBFSjkEcBEACuusq11f10qhrelRi/ahA2W+0syd0i1/3Mr4/2hfIIjIfDZgBA 9ywSdDnO4zJjSEnS5dHpVbRMabpHR19Rl/T1QeNmqP2vzdZhOt98XEi3+3AE416q 6yQ0ifkYttdoFuSJaWDHuzyLhzYNBlf0aYofuK/LbWS7Hz/eLtP820YK1G6UaNEb 5F5vgjgZLwLk1KARqVnXomApBrYzdiIq/iCflTMOxqUo/ehB7vbaWOp+x9S0wlix KkHsvA9pWA4ZCAxzsovfpvgWvoqIL+YTfH6Aov13UWwd0Qy5/8uG9NrX+TD1P2rg ylRBHs9DFFDd/qPmvB3Lkt+a+alQk7vemtHanvqfosoEE/dx9dyYp6hIRB1MjEa2 +LTT3xYWdDyGGoxOfysLpJjaoODiDpIIHMCQzB052vmX7X3OCF/k3VMyH1zqbGPy nIMdOjE3fTaRzXWBSOXsSzorEXHRw/Ry8VWlEY8myzh6tPyfhNyOg0LF8BBgEpXA M1xylcRruVG3uXK5nPaHcu/TeFUY1UQbMPbabwl56AJru6Nllpir38vulNdgNN9r ivBK6pB9HUIc5L11xTgvl3dzwNL9cEjjvkszuprYMgUO1kdG+Jk1YziKCL8C8/RK WFABOrK4L/JkSm0wS6N2Jtt/L3wLweiGR0vhD/W5U76MxmS+AVQfVh/YRQARAQAB tC9KZWZmIFdvb2RhbGwgKDQwOTYgYml0KSA8andvb2RhbGxAaW1hcG1haWwub3Jn PokCOQQTAQIAIwUCVKOQRwIbAwcLCQgHAwIBBhUIAgkKCwQWAgMBAh4BAheAAAoJ ELZg2zktVKWMitMQAJaAINhP2chSUAzdLNkWaqd3Tzo3dnPCvX738PxfAInhTBsG zkaUZzaLU7GQdtFe0H+rxWYJ3ZfJ8AEIXHPeDwhIXz8fOMv2WyGMhrcpoCMkPFJA r/Z1mgYRwVR9woGRvNzx+6OKVNrBk1151MeCjWyjSupJFHEqkrzchJdYgg3pToIf VyQckTxQYPXM9ihocBwFB9++nXsLgoH8He3/HzEUtAQDfeXZOmtvuZzClazXtH1n vkBghYLsaWt1TuQDzSD3joaWlfRNH7iC6nmClwKepRgceav8UVETddXh059VbMHf rOPrqmfoilKt1005iX3G484jSb5NgtNS+cJXvzBDuOZzlXzOMsazTCnInnHtOAQk /MuvhormoV7c1piNYEWvPzsuvV5r1TgXtrHeZOYvQgzakSSNlR5PUZ84IMoYpuJg dveKZlnJptxTuVyTnYujruAG+v60ppjBfV4NRn5SBXneX3Lsy4BJCDyGPwmD2L0I dOsuQ4NI4enAkceLaltZ11YnhYDKeYEhMOh/id3ZKYyQAP0AQDvlRoZ5SZg3yog5 /NRH4CzUNQZmzB63tjZdlHEz5qi90/yRJmEXeBI5EWldWnplAT/3POJn3tSMtJ8k TGl4CtgZOROBAjU6LElCWfgm/ldlbhoCkuAAzu52J9ETp+fLiYdl6n5J1qisuQIN BFSjkEcBEACwv98EZloGVSlLexkZRcUcqRUCzDSmTtgUGlM/tJuwgfEkHXKv0mz+ ItcOZ60FXRJY03qeIsV1F+VydkWdx5gwl0X3/yLd8YwALXWU+8NaIUlLPEDqZG0F iYlXCX6I+PXZ1DEe/fedLbi6PRi2uqUmSQxpX/NoXGHm6lImG24Za+rnWrJ63cts 4am173TDT9+SBMhsJkMCDYV32Au6XYrLysP9Ng5vVTPJsM5oUVA41KoNW/lo1aVl qwekqNedx4mHvF/wJGoGoMtvim3zFKxYAJNzNbsFgCTLot8VmfauAHc641oNZbGu /GoNbPV0pkF1PlMauTLmEG9W4pnZCnbMUwXthP6QRzPHmg+Jv+KJgmMLrvvUEq5w aCuELj7hWOGXAZMCxg6Vo42pwoYzMu1VAytvNIdj/O5AZsISSKJTdSwLtw/88MPn h9zOwrOyeES3cM51czPzdKLc4n6//MIQTSsI2L2Fd31DgRjHbeg7DSVgOvxcWPtz Dnjl744m7r7AiIdhM+oSVkn57M9CH+VnAifUKMe9sI6NKmaeEn9SknYu3caPoROG EXLvO2M1zlHGEgKfFJWfUzAsQ9QV6VtOxhfkaaJXl6hwL5rGKaFgISnantx5dIpx fJk1Rh82QcF88sFF2BRCYl95/avcccQE/ipKFjUPrPaVB3dshXsrJQARAQABiQIf BBgBAgAJBQJUo5BHAhsMAAoJELZg2zktVKWMBZgP/iyMVmdHW1ciRP+e13XbcRx9 A/Am9AWygF9gBMAcIgdvjlPTtIErcgl2J+aMaNNmNKEsKvs5F1siWh0VMEmeVWOu 0+2RVumEANiJ+keuPao+jx+G+dMF25ItUHZXMhvwLEaufVGuEYiceOaeiCGCzjWH I1eG7K1GdvBVlQNc3c9HAs+1AALOLQReSvwg3nMdo5k1jnC8lyb0QojeByLWIks7 hyMBpcEbweq/7VWeqKtsrcJ/tv7QcFearRZa3wKBX4o904c8whFs49w9yz9yieCZ y13/nBTk1vYHNZIZ26Buhh08oWj23eQISbrVKKmMbOJLr3XcgZtMg5h9+bfqzQLg OExF7yogz/d288Kfxpv9RAwEEx/k5p9USJeR39+1H1Qd7XZLElRwwEpkKuW7v8aw wxXLRriFnvTYDBU2OaAv85CXjXfhPTxBkGP41xd8bQZ4OdArhQOyFMXbaXmupz65 dd8vm6euBKfMzYW4Xyntwe5zrkXKLQ1j8E+AehjzumvObmnhsxEXWYXzuYaXujOs Bk6QBWa/jIWX2lOlC8EpmV15zsyzRjRaJsNjkcuiNVtYjZFUs/esltlybRpTBEuP GzcD6SliRq1UW8osfqGdBZNxZO/FIxQAhhF9vV1woXgKzoTeaaPH7lV2FmlbbXlh KQe6IcPVJZpIjsDiVQ/V =7I+D -----END PGP PUBLIC KEY BLOCK-----