panic("crypto/cipher: output smaller than input") } if alias.InexactOverlap(dst[:len(src)], src) { panic("crypto/cipher: invalid buffer overlap") } fips140.RecordApproved() if len(src) == 0 { return } cryptBlocksEnc(&c.b, &c.iv, dst, src) } func (x *CBCEncrypter) SetIV(iv []byte) { if len(iv) != len(x.iv) { panic("cipher: incorrect length IV") } copy(x.iv[:], iv) } func cryptBlocksEncGeneri(b *Block, civ *[BlockSize]byte, dst, src []byte) { iv := civ[:] for len(src) > 0 { // Write the xor to dst, then encrypt in...