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CH04::privkeys: Hash digests aren't numbers

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We just choose to interpet them that way
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David A. Harding 2023-02-08 20:35:01 -10:00
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commit ca26228f58
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@ -150,7 +150,8 @@ than 2^256^) defined as the order of the elliptic curve used in bitcoin
256-bit number and check that it is less than +n+. In programming terms, 256-bit number and check that it is less than +n+. In programming terms,
this is usually achieved by feeding a larger string of random bits, this is usually achieved by feeding a larger string of random bits,
collected from a cryptographically secure source of randomness, into the collected from a cryptographically secure source of randomness, into the
SHA256 hash algorithm, which will conveniently produce a 256-bit number. SHA256 hash algorithm, which will conveniently produce a 256-bit value
that can be interpreted as a number.
If the result is less than +n+, we have a suitable private key. If the result is less than +n+, we have a suitable private key.
Otherwise, we simply try again with another random number. Otherwise, we simply try again with another random number.