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contentenc

package

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Versions in this module

v1

v1.4.4

Mar 18, 2018

v1.4.3

Jan 21, 2018

v1.4.2

Nov 1, 2017

v1.4.1

Aug 21, 2017

Changes in this version

type ContentEnc

+ CReqPool bPool

+ PReqPool bPool

+ func (be *ContentEnc) EncryptBlocks(plaintextBlocks [][]byte, firstBlockNo uint64, fileID []byte) []byte

v1.2.1

Feb 26, 2017

v1.1.1

Oct 30, 2016

Changes in this version

+ const CurrentVersion

+ const HeaderLen

+ func JointPlaintextRange(blocks []IntraBlock) (offset uint64, length uint64)

+ func MinUint64(x uint64, y uint64) uint64

+ type ContentEnc struct

+ func New(cc *cryptocore.CryptoCore, plainBS uint64) *ContentEnc

+ func (be *ContentEnc) BlockNoToCipherOff(blockNo uint64) uint64

+ func (be *ContentEnc) BlockNoToPlainOff(blockNo uint64) uint64

+ func (be *ContentEnc) BlockOverhead() uint64

+ func (be *ContentEnc) CipherBS() uint64

+ func (be *ContentEnc) CipherOffToBlockNo(cipherOffset uint64) uint64

+ func (be *ContentEnc) CipherSizeToPlainSize(cipherSize uint64) uint64

+ func (be *ContentEnc) DecryptBlock(ciphertext []byte, blockNo uint64, fileID []byte) ([]byte, error)

+ func (be *ContentEnc) DecryptBlocks(ciphertext []byte, firstBlockNo uint64, fileID []byte) ([]byte, error)

+ func (be *ContentEnc) EncryptBlock(plaintext []byte, blockNo uint64, fileID []byte) []byte

+ func (be *ContentEnc) EncryptBlockNonce(plaintext []byte, blockNo uint64, fileID []byte, nonce []byte) []byte

+ func (be *ContentEnc) ExplodeCipherRange(offset uint64, length uint64) []IntraBlock

+ func (be *ContentEnc) ExplodePlainRange(offset uint64, length uint64) []IntraBlock

+ func (be *ContentEnc) MergeBlocks(oldData []byte, newData []byte, offset int) []byte

+ func (be *ContentEnc) PlainBS() uint64

+ func (be *ContentEnc) PlainOffToBlockNo(plainOffset uint64) uint64

+ func (be *ContentEnc) PlainSizeToCipherSize(plainSize uint64) uint64

+ type FileHeader struct

+ ID []byte

+ Version uint16

+ func ParseHeader(buf []byte) (*FileHeader, error)

+ func RandomHeader() *FileHeader

+ func (h *FileHeader) Pack() []byte

+ type IntraBlock struct

+ BlockNo uint64

+ Length uint64

+ Skip uint64

+ func (ib *IntraBlock) BlockCipherOff() (offset uint64)

+ func (ib *IntraBlock) BlockPlainOff() (offset uint64)

+ func (ib *IntraBlock) CropBlock(d []byte) []byte

+ func (ib *IntraBlock) IsPartial() bool

+ func (ib *IntraBlock) JointCiphertextRange(blocks []IntraBlock) (offset uint64, length uint64)

+ type NonceMode int

+ const DefaultBS

+ const DefaultIVBits

+ const ExternalNonce

+ const RandomNonce

+ const ReverseDeterministicNonce