34 lines
598 B
Go
34 lines
598 B
Go
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package pkcs12
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import (
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"crypto/hmac"
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"crypto/sha1"
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"crypto/x509/pkix"
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"encoding/asn1"
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)
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var (
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oidSha1Algorithm = asn1.ObjectIdentifier{1, 3, 14, 3, 2, 26}
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)
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type macData struct {
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Mac digestInfo
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MacSalt []byte
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Iterations int `asn1:"optional,default:1"`
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}
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// from PKCS#7:
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type digestInfo struct {
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Algorithm pkix.AlgorithmIdentifier
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Digest []byte
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}
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func computeMac(message []byte, iterations int, salt, password []byte) []byte {
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key := pbkdf(sha1Sum, 20, 64, salt, password, iterations, 3, 20)
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mac := hmac.New(sha1.New, key)
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mac.Write(message)
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return mac.Sum(nil)
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}
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