diff options
Diffstat (limited to 'libgo/go/crypto/cipher/cbc.go')
| -rw-r--r-- | libgo/go/crypto/cipher/cbc.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libgo/go/crypto/cipher/cbc.go b/libgo/go/crypto/cipher/cbc.go index 6fab9b4..913a564 100644 --- a/libgo/go/crypto/cipher/cbc.go +++ b/libgo/go/crypto/cipher/cbc.go @@ -42,6 +42,12 @@ func NewCBCEncrypter(b Block, iv []byte) BlockMode { func (x *cbcEncrypter) BlockSize() int { return x.blockSize } func (x *cbcEncrypter) CryptBlocks(dst, src []byte) { + if len(src)%x.blockSize != 0 { + panic("crypto/cipher: input not full blocks") + } + if len(dst) < len(src) { + panic("crypto/cipher: output smaller than input") + } for len(src) > 0 { for i := 0; i < x.blockSize; i++ { x.iv[i] ^= src[i] @@ -70,6 +76,12 @@ func NewCBCDecrypter(b Block, iv []byte) BlockMode { func (x *cbcDecrypter) BlockSize() int { return x.blockSize } func (x *cbcDecrypter) CryptBlocks(dst, src []byte) { + if len(src)%x.blockSize != 0 { + panic("crypto/cipher: input not full blocks") + } + if len(dst) < len(src) { + panic("crypto/cipher: output smaller than input") + } for len(src) > 0 { x.b.Decrypt(x.tmp, src[:x.blockSize]) for i := 0; i < x.blockSize; i++ { |