Question: Consider a 2-bit block cipher encryption function (under some unknown key) e: {0,1}2 = {0,1}. The table of values of e is the following: e(00)

 Consider a 2-bit block cipher encryption function (under some unknown key)

Consider a 2-bit block cipher encryption function (under some unknown key) e: {0,1}2 = {0,1}. The table of values of e is the following: e(00) (01) e(10) e(11) 10 00 11 01 Consider the 6-bit string x = 100011. The encryption of x using e in CBC mode (IV=01) is y = ylly2 ||y3, where y; E {0,1}2 and yi = y2 II Y3 II The encryption of x using e in CFB mode (IV=01) is z = z1||32||23, where zi {0,1}2 and Z1 = 22 23 = Consider a 2-bit block cipher encryption function (under some unknown key) e: {0,1}2 = {0,1}. The table of values of e is the following: e(00) (01) e(10) e(11) 10 00 11 01 Consider the 6-bit string x = 100011. The encryption of x using e in CBC mode (IV=01) is y = ylly2 ||y3, where y; E {0,1}2 and yi = y2 II Y3 II The encryption of x using e in CFB mode (IV=01) is z = z1||32||23, where zi {0,1}2 and Z1 = 22 23 =

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