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ipad_binnum
2010 Oct 19
0
R script help needed for RFC 2104 HMAC algorithm
..., collapse='')
dataHex <- charToRaw(data)
cmb <- c(InnerXORhex, dataHex)
cmb <- paste(cmb, collapse='')
InnerHash <- digest(cmb, algo="md5")
opad_bin <- cbind(opad, sapply( strsplit(opad,'') , function(x) paste(
bin[x], collapse='' ) ) )
opad_binnum <- sapply( strsplit(opad_bin[,2],'') , as.numeric)
OuterXOR <- as.numeric(xor(K_binnum, opad_binnum))
OuterXOR <- matrix(OuterXOR, 4, 128)
OuterXOR <- t(OuterXOR)
OuterXORbin <- apply(OuterXOR, 1, paste, collapse='')
OuterXORhex <- cbind(OuterXORbin, sapply(Outer...