build: Support build when CGO is disabled #5
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sha1cd may be a transient dependency to some applications which do not support (or want to) CGO. The changes enable this by falling back to the Pure Go implementation. If users then want to override the Pure Go sha1cd with the SHA1 implementation from the standard library they can do so with: hash.RegisterHash(crypto.SHA1, sha1.New) Signed-off-by: Paulo Gomes <pjbgf@linux.com>
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sha1cd may be a transient dependency to some applications which do not support (or want to) CGO. The changes enable this by falling back to the Pure Go implementation.
If users then want to override the Pure Go sha1cd with the SHA1 implementation from the standard library they can do so with:
hash.RegisterHash(crypto.SHA1, sha1.New)