# Gavin Andresen # 2012-03-06 16:02:40 # https://bitcointalk.org/index.php?topic=67515.msg786442#msg786442 @s{quotedtext} @s{quotedtext} That is always a risk, which is why next to the downloads there is a gpg-signed SHASUMS.asc file. @p{par} To check the integrity of the download you should: @p{par} + Check the signature on the SHASUMS.asc file: @p{brk} Code: $ gpg @p{--}verify SHASUMS.asc @p{brk} gpg: Signature made Wed Feb 29 20:51:40 2012 EST using RSA key ID 1FC730C1 @p{brk} gpg: Good signature from "Gavin Andresen (CODE SIGNING KEY) @p{lt}gavinandresen@gmail.com@s{gt}" + Make sure the checksum for the downloaded file matches the checksum in the SHASUMS.asc file: @p{brk} Code: $ shasum bitcoin-0.6.0rc2-macosx.dmg @p{brk} 7ab035250ad32a95adf12f2bf8751df9adae0ad4 bitcoin-0.6.0rc2-macosx.dmg @p{brk} $ grep macosx SHASUMS.asc @p{brk} 7ab035250ad32a95adf12f2bf8751df9adae0ad4 bitcoin-0.6.0rc2-macosx.dmg @p{brk} @p{brk}