- The Gronsfeld cipher is strengthened because its key is not a word, but it is weakened because it has just 10 cipher alphabets.
- Its first and most famous count was Josse Maximilaan van Gronsveld n?van Bronckhorst who fought in the Thirty Years'War and invented the Gronsfeld cipher, a substitution cipher.
- The Gronsfeld cipher is a variant created by Count Gronsfeld which is identical to the Vigen鑢e cipher, except that it uses just 10 different cipher alphabets ( corresponding to the digits 0 to 9 ).
- It's difficult to find gronsfeld cipher in a sentence. 用gronsfeld cipher造句挺难的