Update with latest RSA from go stdlib #331
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lukevalenta
reviewed
May 4, 2022
| func decrypt(random io.Reader, priv *rsa.PrivateKey, c *big.Int) (m *big.Int, err error) { | ||
| // TODO(agl): can we get away with reusing blinds? | ||
| if c.Cmp(priv.N) > 0 { | ||
| err = rsa.ErrDecryption | ||
| return | ||
| } | ||
| if priv.N.Sign() == 0 { | ||
| return nil, rsa.ErrDecryption | ||
| } | ||
|
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| var ir *big.Int | ||
| if random != nil { |
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Are we missing this line? https://cs.opensource.google/go/go/+/master:src/crypto/rsa/rsa.go;l=558
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it shuffles the random source in case a user-provided source is provided.
in this package, the random source is always crypto/rand, which it's assumed to be secure.
lukevalenta
approved these changes
May 4, 2022
bwesterb
approved these changes
May 4, 2022
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Updates with latest RSA from go stdlib.
Also removes some code not used by blindRSA.