Category Archives: Cryptography

Mounting a TrueCrypt Partition on Mac OS

Posted on September 3, 2010 by Jeff Fitzsimons

When an entire volume has been encrypted by TrueCrypt, it looks like an uninitialized drive to Mac OS. A dialog box will pop up, asking if you want to initialize (format) the drive. Click ignore. Next, run TrueCrypt. If TrueCrypt … Continue reading →

Posted in Cryptography, OS X, Security, Technology | 1 Comment

The Demise of CAPICOM

Posted on October 15, 2008 by Jeff Fitzsimons

CAPICOM, a COM-based wrapper for the CryptoAPI library, is deprecated and on its way out. However, Microsoft has no time line for phasing it out, nor have they provided sufficient documentation of alternatives. Many CAPICOM pages contain a confusing, bright-red … Continue reading →

Posted in Authenticode, COM, Cryptography, Technology, Win32 | Tagged , , | Leave a comment

GnuPG Plugin for vim Under Cygwin

Posted on October 4, 2008 by Jeff Fitzsimons

GnuPG, GNU Privacy Guard, is a free system for encrypting files, emails, etc. The GnuPG plugin for vim provides automatic encryption and decryption of files within vim. If you attempt to edit a GnuPG-encrypted file with vim, it will prompt … Continue reading →

Posted in Cryptography, Technology, Win32 | Leave a comment

Using Certificates and Signtool

Posted on September 12, 2008 by Jeff Fitzsimons

Obtain a Software Publisher Certificate Your Certificate Authority will supply one of the following: a Personal Information Exchange (.pfx) file a Software Publisher Certificate (.spc), and a Private Key (.pvk) file a CER-encoded X.509 Certificate (.cer), and a Private Key … Continue reading →

Posted in Cryptography, Technology | 1 Comment

mssign32.dll

Posted on September 11, 2008 by Jeff Fitzsimons

With CAPICOM deprecated, MSDN suggests using the mssign32.dll functions. There are two fundamental problems with this: No example code whatsoever is provided. No header file is provided. Well, at least I can do something about #2. Here is a minimal … Continue reading →

Posted in Authenticode, Cryptography, Technology | Leave a comment

SSH Key Generation and Conversion With OpenSSH

Posted on May 21, 2008 by Jeff Fitzsimons

Key Generation Generate a DSA key: ssh-keygen -t dsa This will generate an RFC 4716-formatted key file similar to the following: —–BEGIN DSA PRIVATE KEY—– MIIBuwIBAAKBgQDijfpmyXBZpnq8EhEhSxeJz7fNxIlWYD6t7bviDZMARh8mLCr2 bug2J1K+Rl4qoLQJ7zRGlytwQ2krTCmvVahOjy9m/QW5936rCyVS19PRdJMEEMSN vLQaMtpKbnHp0z8Xs/X1CkDmxThOlvRVjiObdd0U9eELLoo5VHauVHmufwIVAO7j l4bxgVXeX09WJcyOXAUauNXHAoGAF20ESXgTvbbdxDECa2tfTi/j1/+emNV/+zuR aq6xms/K0piZhMlkK3BD9PgHhXfqZuRT/Z9b8ja3nR34H2KL3UInCNV6kSq6h+MD MLJnNQG4wADLYw3p5Tzz/hUwtfqpZ/9e7FpBdgfooS274GgPKTG8BFRiudIztPpK 4GueicoCgYEAy8hllDrFzQUqFG0kMe8r3dOFDjMQHf6ITttmAiScwEPg+a5D++Sq bj42vkKSNgaYHc+Z8QPgerPehIkBde6wx0ukq0a8IXy8F86IasXz3wzotPeJsdKi mynQKzhSm9Jzbk/SK/yh5NGhJzz1VmHsg+ir/qReguMHfqDGCI4kSFYCFDJKXQ4h MteJHSlu62RrGwInRBOh —–END DSA PRIVATE KEY—– An … Continue reading →

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