PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` cipher-base === [![Build Status](https://travis-ci.org/crypto-browserify/cipher-base.svg)](https://travis-ci.org/crypto-browserify/cipher-base) Abstract base class to inherit from if you want to create streams implementing the same api as node crypto streams. Requires you to implement 2 methods `_final` and `_update`. `_update` takes a buffer and should return a buffer, `_final` takes no arguments and should return a buffer. The constructor takes one argument and that is a string which if present switches it into hash mode, i.e. the object you get from crypto.createHash or crypto.createSign, this switches the name of the final method to be the string you passed instead of `final` and returns `this` from update.