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Asked: 2026-05-21T15:38:58+00:00

if i have a hash say like this: 0d47aeda9d97686ab3da96bae2c93d078a5ab253 how do i do the

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if i have a hash say like this: 0d47aeda9d97686ab3da96bae2c93d078a5ab253

how do i do the math to find out the number of possibilities to try if i start with 0000000000000000000000000000000000000000 to 9999999999999999999999999999999999999999 which is the general length of a sha1.

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  1. Editorial Team

    The number of possibilities would be 2^(X) where X is the number of bits in the hash.
    In the normal hexadecimal string representation of the hash value like the one you gave, each character is 4 bits, so it would be 2^(4*len) where len is the string length of the hash value. In your example, you have a 40 character SHA1 digest, which corresponds to 160 bits, or 2^160 == 1.4615016373309029182036848327163e+48 values.

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