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crypto/rsa: add rand initialization for rsa.SignPSS #39870

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crypto/rsa: add rand initialization for rsa.SignPSS #39870

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8 changes: 7 additions & 1 deletion src/crypto/rsa/pss.go
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Expand Up @@ -260,8 +260,14 @@ func (opts *PSSOptions) saltLength() int {
//
// digest must be the result of hashing the input message using the given hash
// function. The opts argument may be nil, in which case sensible defaults are
// used. If opts.Hash is set, it overrides hash.
// used. If opts.Hash is set, it overrides hash. The rand argument may be nil
// if nil rand will get initialized via crypto/rand.Reader
func SignPSS(rand io.Reader, priv *PrivateKey, hash crypto.Hash, digest []byte, opts *PSSOptions) ([]byte, error) {
// if no random source has been passed
// initialize with secure random from crypto/rand.Reader
if rand == nil {
rand = rand.Reader
}
if opts != nil && opts.Hash != 0 {
hash = opts.Hash
}
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