Ma'anar ƙamus na kalmar "cryptographer" shine mutumin da ke nazari kuma yayi amfani da lambobi da ƙididdiga don amintar sadarwa da bayanai. Masu rubutun ra'ayin yanar gizo ƙwararru ne a cikin cryptography, al'adar ƙirƙira da amfani da lambobi da ƙira don kare bayanai daga samun izini mara izini ko gyarawa. Masu rubutun ra'ayin yanar gizo suna aiki a fannoni daban-daban, gami da tsaro na bayanai, tsaron ƙasa, da kuɗi, da sauransu. Suna amfani da ka'idodin lissafi da algorithms don ƙirƙirar tsarin ɓoyewa waɗanda zasu iya amintar da bayanai, kamar kalmomin shiga, lambobin katin kiredit, da sauran mahimman bayanai. Masu rubutun ra'ayin yanar gizo suna aiki don karya tsarin ɓoyewa da yanke bayanan da aka ɓoye, a matsayin wani ɓangare na ƙoƙarin ganowa da hana hare-haren yanar gizo da sauran barazanar tsaro.