manual crypto

[Ray Dillinger]

Actually, extracting a 3d image is not required.  The patterns 
that human eyes percieve as 3d images can easily be percieved 
directly by machines.  Sources for making SIRDS images from 
text are easily adapted as sources for reading them as text.

				Bear


On Mon, 4 Dec 2000 mmotyka at lsil.com wrote:

>I've got sources kicking around somewhere that do this with noise
>patterns in monochrome bitmaps. I'm not sure if the effect using ascii
>is achieved in the exact same way - no doubt it is very closely related
>but not as dense as the bitmaps.
>
>Mike
>>
>>Well, not crypto but stego.
>>
>>I was looking for ways to use existing infrastructure for
>>transporting ascii messages to send info which is not
>>harvestable by machines.
>>
>>This came up:
>>
>>It is intended for cross-eyed free viewing.  Cross your eyes until the
>>Vs and Xs at the top and bottom overlap with the adjacent ones.
>>
>>V              V              V              V              V
>>OIWEQPOISDFBKJFOIWEQPOISDFBKJFOIWEQPOISDFBKJFOIWEQPOISDFBKJF
>>EDGHOUIEROUIYWEVDGHOXUIEROIYWEVDGHEOXUIEOIYWEVDGHEOXUIEOIYWE
>>KJBSVDBOIWERTBAKJBSVEDBOIWRTBAKJBSOVEDBOWRTBAKJBSOVEDBOWRTBA
>>SFDHNWECTBYUVRGSFDHNYWECTBUVRGSFDHCNYWECBUVRGSFDHCNYWECBUVRG
>>HNOWFHLSFDGWVRGHNOWFGHLSFDWVRGHNOWSFGHLSDWVRGHNLOWSFGLSDWVRG
>>YPOWVXTNWFECHRGYPOWVEXTNWFCHRGYPOWNVEXTNFCHRGYPWOWNVETNFCHRG
>>SVYUWXRGTWVETUISVYUWVXRGTWVETUISVYUWVXRGWVETUISVYUWVXRGWVETU
>>WVERBYOIAWEYUIVWVERBEYOIAWEYUIVWVERBEYOIWEYUIVWLVERBEOIWEYUI
>>EUIOETOUINWEBYOEUIOEWTOUINWEBYOEUIOEWTOUNWEBYOETUIOEWOUNWEBY
>>WFVEWVETN9PUW4TWFVEWPVETN9UW4TWFVETWPVET9UW4TWFBVETWPET9UW4T
>>NOUWQERFECHIBYWNOUWQXERFECIBYWNOUWFQXERFCIBYWNOFUWFQXRFCIBYW
>>VEHWETUQECRFVEVEHWERTUQECFVEVEHWQERTUQCFVEVEOHWQERUQCFVE
>>UIWTUIRTWUYWQCRUIWTUYIRTWUWQCRUIWTXUYIRTUWQCRUIBWTXUYRTUWQCR
>>IYPOWOXNPWTHIECIYPOWTOXNPWHIECIYPONWTOXNWHIECIYLPONWTXNWHIEC
>>R9UHWVETPUNRQYBR9UHWVETPUNRQYBR9UHWVETPUNRQYBR9UHWVETPUNRQYB
>>
>>Any sources for making these ?
>>
>>I know that it can be machine-read, by extracting 3D figure
>>and OCR-ing, but not today easily and in quantity.
>
>