I use GnuPG (an implementation of the OpenPGP standard). My current key can be cut'n'pasted from this page; alternatively, download this file.
-----BEGIN PGP PUBLIC KEY BLOCK----- mQINBFpqOE4BEADu4UPqyxnnSxDyRHh3zfQNXgwgMivKHpPtQjPQQoctt/tCguYF GVFUbjGE8x3lPpeorRctGgBmGRGAiEiy2yJXDF9IzfnGj0vB8YUzMyswKgvPCREV xJNYAzVgDOH5rPtLhNlPotnxJjRZp2zaL7SbGn5Xmxa49qei9siE9GIwDrNqihX3 n3/7So0OnbX3OIM66J6R81jULeoW9Y2V1jIreNpZzXEl0Ug+3VpRcukSJBcCcum2 kcmt1lW7WRQ0wU7GI0REK+OeVmNjtj3JyRhXyhEzCQIbEEUemcePUd3LCrVIN1KN F/alkS2UFPGSdYtkUAsl4kwu/SQ6UsKHdXh76rZN0JKuMjOLGr8X1cFIiySE7saf 3Bfx3T4t3Fga9JxXNMQMpgMYb5KvncBlzdkWIwv3a7bEshy0vZSceILtdiwC0i/b ZKWR54IZdu3RALuCWCR/tjvvP4X/H8/6TAD/NlzmzQN9QliNeFygyzBPyWFGTGTc 1YmV1uZm6KTBXQvGSf+NQE4tjABA4a/jS6eiGA0gBlWr6W3YK1YBQVivvxcl75B3 OUVhN+6tSbFZ0wYjE4gLzk8RzpkdxMrDH5lWZQg8rgu+envrjfUT1fyEKPzkUM/L NwfveCt3Yny/vzsjcSuMdrtY2xrx2QLP86iGKcUrRvA1GYmJmjqi0x8h1QARAQAB tCNQaGlsIEJyb29rZSA8cGhpbEBncmVlbi1waWtlLmNvLnVrPokCTgQTAQgAOBYh BH9bXojLa8O5d+Aw1hcpIDaCmgC6BQJaajhOAhsDBQsJCAcDBRUKCQgLBRYCAwEA Ah4BAheAAAoJEBcpIDaCmgC6rpYP/RDE16nrAUA5VbCNkmTTX2DLI/29zO+9K7lo swcCK8Wv4NE1ggivGMLwzXc1rV9Y3jmPY/A2WOjpFitsmA6VYIuEEQCxj7/O7slp Jv9GWaETzYtWRpaaqe2aHpnGqhBqlYiK4xsKpxfJsxBLwPImiHkDRp2VhL0Fuo+D vyKQfOFYUFOGjqlLPzOaVSfKB4LMjYDIaJybsd0TVhTbYs+2kw8D7JBPr8FEPnvG ozYtkdItFiKkakHdK8lcM9lW1uEsdJYsSSMde85YcKB043MvZIxWs0auu3Ys3y9C HBN5gWsvF2WwjPiDml+/8TIWG9Wtln7YhttS5rB5W/3fCKekXe9U5rXxgrFSd3qF mJ2Bciq8ZggLRGI4g5LfeIwWBNrPypWpbBwukgv14nvFbmAtGXbU7Qu06ApHfMQ/ 54+JAq7NoGxAnMbkCvkuWbS8uWFe2YBPgMMTSKEAONAKaEwzPZ1NsdkBxEJHsOAH ursHexKun+IdEIfvuZDgjhluIxpSp6K8yQ5TvUIdylfuChJDMEq49scLvuiMWPSW prm7gyYZGlQJHSsalFjrez/2V5YhONskLP7KygEDDAARY/WVTiUaCRf+qjbNsO9s bX7/jNrQWgTNdl33Tj2CYF7JmCqyRldtLqIhjMMAZixaaqsKS8v3Rh8y1/ai7cHP n7f0LclfuQINBFpqOE4BEADBinDL8pQvzUAmOjw8t5sOswYHztcWZJx6s+uImbdQ IC8jOihwlxCg5LxvgF2SHXvt5dxwAWhx/PiUfawgrdJ48tFdLTbtmh1W74DAhtiX rNUGMVkNlpo4Eaw4O+F1PVW4RJu1wx68TkG6NRThp0W+/MtdyU9dKeK/SlPBbFRo +FJ0J/KWAH52ZOpdkkATpCne9OIECNf4OyIQ6hWXjQOMrYPHNufXqtRPvDp9CMMM kyuHyw9FTPN5auKrkWohE2NvA3dxIJ6uFLA09CHN6sC9JzotLfns2aTEo7OaIHQL 97ZpSOxzc/uWtvGRuzjQ5EPr9EU8+7NCmQYq/jajTfdv/q9qCptZ+DfdaqTp5KOy 0jWbeMD2BXqPuhVZj1mz0cpkxV1s9fV/VYRCaPykyJWt5ItR1eUbcQakUELAJTrJ 8w5k2FTK/DC6d4O1Vi9EUbijUAqPCgcbuMvfTEhNvhPJKUaOG6K95Xy76GXYPlyi vlmijjVXY3AwTU8dd1yj/83hKj5mFbmYX11AhC4bLNWzy9BjflXFTgE+Ep3F9ZgZ iyuYbbRf6rTC+yImgsAEPlu/NTKYNazppcs3TyhViKVOf0+R9/9npv/Xk0UF1+FA u+lsBMBpgNSuYiviL3iohCn8ujF3X4V5+Wo82xvNXBka+3a00IawKXzGrqfq2WCl UwARAQABiQI2BBgBCAAgFiEEf1teiMtrw7l34DDWFykgNoKaALoFAlpqOE4CGwwA CgkQFykgNoKaALqxfRAAsmYs5/VfDBAwISDy2YBV7U03hvl/Rm50RMt9uEDvGevg jdcQkrgY0HiE/IfNwKdlW/owiTuvI5XfuVYSlpMng8sVP8tdpgpOk9UR4URskhFB luXynDf4v5UviY13alTLNeX8i6ySI+9CsZetDY9P1anJLeebsXDnRglG1RAcV5Ky A2doI0dGmXMlFgDYSE47asO7kjKhj/czBLnvycS5Fscgye4Mg+EipRdGdcNYrCqF XjW9+MtTi7MfxbclUO2xaTUug10oem8fHvh9chG8ZsmPAIrJI3fo7PnQB5PRCrsb 0z3WhgdXeYKJmkKIZklTRYT1UlGouRDSW+jK9uAkp9cXsK3ukKqjvJcukrYTLIJ0 y1l4M1HICXHwv7d2cvUPmpR4V4wUBlw5EsZudnXclc5+dbjx9PluCScStVvvlpSG In4agWiTg7IG/ggq1cpwlvX9sIh7bEHlujpD9acz3TZkiKdGm1OPo9/kxJysUxm2 VNDpyw85hIexOkppAgrm8HsUAHmSZYNiDjYAQ/4DjRKfMgMDZdEHdALj+L3K0c8x hsxC9ck8kd2ohk1OiQoN9iswCQ3XuYv4I8A3xHQop+z/EKi01kRknRVu7NQPwCKv CyL/UlY6Fta/cybN2mC7fZGdqIWovGz6qr582jukbBzzQOGTDvdhieMkxHUr4SE= =XKlB -----END PGP PUBLIC KEY BLOCK-----