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crypto/rsa: explain random parameter for GenerateKey and GenerateMultiPrimeKey.

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Fixes #6850.

LGTM=agl
R=golang-codereviews, agl
CC=golang-codereviews
https://golang.org/cl/60500046
This commit is contained in:
Shenghou Ma 2014-02-13 15:56:48 -05:00
parent c36dd4abdc
commit 9abe6d9dd0
1 changed files with 7 additions and 5 deletions
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12
src/pkg/crypto/rsa/rsa.go
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@ -120,16 +120,18 @@ func (priv *PrivateKey) Validate() error {
return nil
}
// GenerateKey generates an RSA keypair of the given bit size.
// GenerateKey generates an RSA keypair of the given bit size using the
// random source random (for example, crypto/rand.Reader).
func GenerateKey(random io.Reader, bits int) (priv *PrivateKey, err error) {
return GenerateMultiPrimeKey(random, 2, bits)
}
// GenerateMultiPrimeKey generates a multi-prime RSA keypair of the given bit
// size, as suggested in [1]. Although the public keys are compatible
// (actually, indistinguishable) from the 2-prime case, the private keys are
// not. Thus it may not be possible to export multi-prime private keys in
// certain formats or to subsequently import them into other code.
// size and the given random source, as suggested in [1]. Although the public
// keys are compatible (actually, indistinguishable) from the 2-prime case,
// the private keys are not. Thus it may not be possible to export multi-prime
// private keys in certain formats or to subsequently import them into other
// code.
//
// Table 1 in [2] suggests maximum numbers of primes for a given size.
//