In an Ars Technica article about Adobe's use of 3DES in ECB mode, there's a paragraph
The passwords, according to password expert Steve "Sc00bz" Thomas, are encrypted in a mode known as ECB. That was a poor choice on the part of Adobe engineers, because ECB often leaks information about the passwords, such as their last few characters and some of their lengths. In certain cases, for example, passwords that end in
ewill generate an encrypted string that ends in
n2auThm2+Q==; those that are nine or 17 characters long will sometimes end in
Is it really the case?