Question: Suppose a cipher uses an 8 - character mixed - case alphanumeric key ( 0 - 9 , a - z , and A -

Suppose a cipher uses an 8-character mixed-case alphanumeric key (0-9, a-z, and A-Z). What is the approximate strength of the key, measured in bits?Hint: rewrite the size of the keyspace as a power of two.

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