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crypto: Remove type iv

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This commit is contained in:
Alexander Neumann 2015-04-15 20:51:52 +02:00
parent 7b6bd98c9e
commit 63e79539e9
2 changed files with 5 additions and 5 deletions
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8
crypto/crypto.go
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@ -48,7 +48,6 @@ type SigningKey struct {
K [16]byte `json:"k"` // for AES128 K [16]byte `json:"k"` // for AES128
R [16]byte `json:"r"` // for Poly1305 R [16]byte `json:"r"` // for Poly1305
} }
type iv [ivSize]byte
// mask for key, (cf. http://cr.yp.to/mac/poly1305-20050329.pdf) // mask for key, (cf. http://cr.yp.to/mac/poly1305-20050329.pdf)
var poly1305KeyMask = [16]byte{ var poly1305KeyMask = [16]byte{
@ -160,12 +159,13 @@ func NewKey() (k *Key) {
return k return k
} }
func newIV() (iv iv) { func newIV() []byte {
n, err := rand.Read(iv[:]) iv := make([]byte, ivSize)
n, err := rand.Read(iv)
if n != ivSize || err != nil { if n != ivSize || err != nil {
panic("unable to read enough random bytes for iv") panic("unable to read enough random bytes for iv")
} }
return return iv
} }
type jsonMACKey struct { type jsonMACKey struct {

2
crypto/writer.go
View File

@ -10,7 +10,7 @@ import (
) )
type encryptWriter struct { type encryptWriter struct {
iv iv iv []byte
wroteIV bool wroteIV bool
data *bytes.Buffer data *bytes.Buffer
key *Key key *Key