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authorMichael Stapelberg <stapelberg@debian.org>2013-03-04 21:27:36 +0100
committerMichael Stapelberg <michael@stapelberg.de>2013-03-04 21:27:36 +0100
commit04b08da9af0c450d645ab7389d1467308cfc2db8 (patch)
treedb247935fa4f2f94408edc3acd5d0d4f997aa0d8 /src/pkg/crypto/cipher/cfb.go
parent917c5fb8ec48e22459d77e3849e6d388f93d3260 (diff)
downloadgolang-upstream/1.1_hg20130304.tar.gz
Imported Upstream version 1.1~hg20130304upstream/1.1_hg20130304
Diffstat (limited to 'src/pkg/crypto/cipher/cfb.go')
-rw-r--r--src/pkg/crypto/cipher/cfb.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/pkg/crypto/cipher/cfb.go b/src/pkg/crypto/cipher/cfb.go
index d14165a86..99006b546 100644
--- a/src/pkg/crypto/cipher/cfb.go
+++ b/src/pkg/crypto/cipher/cfb.go
@@ -17,6 +17,9 @@ type cfb struct {
// using the given Block. The iv must be the same length as the Block's block
// size.
func NewCFBEncrypter(block Block, iv []byte) Stream {
+ if len(iv) != block.BlockSize() {
+ panic("cipher.NewCBFEncrypter: IV length must equal block size")
+ }
return newCFB(block, iv, false)
}
@@ -24,6 +27,9 @@ func NewCFBEncrypter(block Block, iv []byte) Stream {
// using the given Block. The iv must be the same length as the Block's block
// size.
func NewCFBDecrypter(block Block, iv []byte) Stream {
+ if len(iv) != block.BlockSize() {
+ panic("cipher.NewCBFEncrypter: IV length must equal block size")
+ }
return newCFB(block, iv, true)
}