22 lines
310 B
Go
22 lines
310 B
Go
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package openssl
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import (
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"crypto/sha1"
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)
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func KeyGenerator(src []byte, blockSize int) []byte {
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hashs := SHA1(SHA1(src))
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maxLen := len(hashs)
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if blockSize > maxLen {
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return src
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}
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return hashs[0:blockSize]
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}
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func SHA1(data []byte) []byte {
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h := sha1.New()
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_, _ = h.Write(data)
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return h.Sum(nil)
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}
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