Atmel "secure" crypto co-processor series microprocessors (AT91SAM7XC) leaking keys, plus bonus DESFire hack

The Atmel AT91SAM7XC series of microprocessors contain a crypto co-processor which is DES and AES capable. They include a write-only memory for key storage and multiple physical security measures to prevent decapping etc. However, due to poor memory management, in certain circumstances it is...

Atmel crypto co-processors information leakage

Keys may be leaked via JTAG interface...

Extracting a 3DES key from an IBM 4758

Extracting a 3DES key from an IBM 4758 The IBM 4758 is an extremely secure crytographic co-processor. It is used by banking systems and in other security conscious applications to hold keying material. It is designed to make it impossible to extract this keying material unless you have the correc...