diff options
Diffstat (limited to 'src/pkg/crypto/rsa/rsa.go')
| -rw-r--r-- | src/pkg/crypto/rsa/rsa.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/pkg/crypto/rsa/rsa.go b/src/pkg/crypto/rsa/rsa.go index c7a8d2053..faf914991 100644 --- a/src/pkg/crypto/rsa/rsa.go +++ b/src/pkg/crypto/rsa/rsa.go @@ -274,6 +274,14 @@ func EncryptOAEP(hash hash.Hash, rand io.Reader, pub *PublicKey, msg []byte, lab m.SetBytes(em) c := encrypt(new(big.Int), pub, m) out = c.Bytes() + + if len(out) < k { + // If the output is too small, we need to left-pad with zeros. + t := make([]byte, k) + copy(t[k-len(out):], out) + out = t + } + return } |