Recent content by ranell

thank you :) i have found this in the net in the attatchment. why x1i must be different of x1j please help me cannot understand this :((

thanks, but i have many contradiction in my courses,i have understanded that they will be the same. please, have you a link from a good document concerning mac? thank you very much :)

because there are at least one same portion in the two message?

they have the same iv and the same key of mac :)

x1 xor with iv iv = vector of initialization sorry if it's not clear :s thanks for your attention :)

hello, i have a part of my courses that i don't understand :( mac with bloc cipher and initially a vector of initialisation. "m=x1||x2||...xn mac k(m) doe's not change if iv xor x1 doe's not change mac k(m) doe's not change if x2 doe's not change . . . mac k(m) doe's not change if xn...