diff options
Diffstat (limited to 'cryptfs/file.go')
-rw-r--r-- | cryptfs/file.go | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/cryptfs/file.go b/cryptfs/file.go index 77262d4..5645f3c 100644 --- a/cryptfs/file.go +++ b/cryptfs/file.go @@ -8,7 +8,7 @@ import ( "crypto/cipher" ) -type File struct { +type CryptFile struct { file *os.File gcm cipher.AEAD plainBS int64 @@ -17,7 +17,7 @@ type File struct { // readCipherBlock - Read ciphertext block number "blockNo", decrypt, // return plaintext -func (be *File) readCipherBlock(blockNo int64) ([]byte, error) { +func (be *CryptFile) readCipherBlock(blockNo int64) ([]byte, error) { off := blockNo * int64(be.cipherBS) buf := make([]byte, be.cipherBS) @@ -64,7 +64,7 @@ type intraBlock struct { } // Split a plaintext byte range into (possible partial) blocks -func (be *File) splitRange(offset int64, length int64) []intraBlock { +func (be *CryptFile) splitRange(offset int64, length int64) []intraBlock { var b intraBlock var parts []intraBlock @@ -79,7 +79,7 @@ func (be *File) splitRange(offset int64, length int64) []intraBlock { return parts } -func (be *File) min64(x int64, y int64) int64 { +func (be *CryptFile) min64(x int64, y int64) int64 { if x < y { return x } @@ -87,7 +87,7 @@ func (be *File) min64(x int64, y int64) int64 { } // writeCipherBlock - Encrypt plaintext and write it to file block "blockNo" -func (be *File) writeCipherBlock(blockNo int64, plain []byte) error { +func (be *CryptFile) writeCipherBlock(blockNo int64, plain []byte) error { if int64(len(plain)) > be.plainBS { panic("writeCipherBlock: Cannot write block that is larger than plainBS") @@ -109,7 +109,7 @@ func (be *File) writeCipherBlock(blockNo int64, plain []byte) error { // Perform RMW cycle on block // Write "data" into file location specified in "b" -func (be *File) rmwWrite(b intraBlock, data []byte, f *os.File) error { +func (be *CryptFile) rmwWrite(b intraBlock, data []byte, f *os.File) error { if b.length != int64(len(data)) { panic("Length mismatch") } |