diff options
Diffstat (limited to 'src/pkg/crypto/rsa/pkcs1v15.go')
| -rw-r--r-- | src/pkg/crypto/rsa/pkcs1v15.go | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/pkg/crypto/rsa/pkcs1v15.go b/src/pkg/crypto/rsa/pkcs1v15.go index ddfaad579..96a8c6912 100644 --- a/src/pkg/crypto/rsa/pkcs1v15.go +++ b/src/pkg/crypto/rsa/pkcs1v15.go @@ -19,7 +19,7 @@ import ( // WARNING: use of this function to encrypt plaintexts other than session keys // is dangerous. Use RSA OAEP in new protocols. func EncryptPKCS1v15(rand io.Reader, pub *PublicKey, msg []byte) (out []byte, err os.Error) { - k := (pub.N.Len() + 7)/8; + k := (pub.N.Len() + 7) / 8; if len(msg) > k-11 { err = MessageTooLongError{}; return; @@ -28,7 +28,7 @@ func EncryptPKCS1v15(rand io.Reader, pub *PublicKey, msg []byte) (out []byte, er // EM = 0x02 || PS || 0x00 || M em := make([]byte, k-1); em[0] = 2; - ps, mm := em[1 : len(em)-len(msg)-1], em[len(em)-len(msg) : len(em)]; + ps, mm := em[1:len(em)-len(msg)-1], em[len(em)-len(msg):len(em)]; err = nonZeroRandomBytes(ps, rand); if err != nil { return @@ -67,7 +67,7 @@ func DecryptPKCS1v15(rand io.Reader, priv *PrivateKey, ciphertext []byte) (out [ // Encryption Standard PKCS #1'', Daniel Bleichenbacher, Advances in Cryptology // (Crypto '98), func DecryptPKCS1v15SessionKey(rand io.Reader, priv *PrivateKey, ciphertext []byte, key []byte) (err os.Error) { - k := (priv.N.Len() + 7)/8; + k := (priv.N.Len() + 7) / 8; if k-(len(key)+3+8) < 0 { err = DecryptionError{}; return; @@ -84,7 +84,7 @@ func DecryptPKCS1v15SessionKey(rand io.Reader, priv *PrivateKey, ciphertext []by } func decryptPKCS1v15(rand io.Reader, priv *PrivateKey, ciphertext []byte) (valid int, msg []byte, err os.Error) { - k := (priv.N.Len() + 7)/8; + k := (priv.N.Len() + 7) / 8; if k < 11 { err = DecryptionError{}; return; @@ -109,7 +109,7 @@ func decryptPKCS1v15(rand io.Reader, priv *PrivateKey, ciphertext []byte) (valid for i := 2; i < len(em); i++ { equals0 := subtle.ConstantTimeByteEq(em[i], 0); - index = subtle.ConstantTimeSelect(lookingForIndex & equals0, i, index); + index = subtle.ConstantTimeSelect(lookingForIndex&equals0, i, index); lookingForIndex = subtle.ConstantTimeSelect(equals0, 0, lookingForIndex); } |