mirror of
https://github.com/Luzifer/mondash.git
synced 2024-12-24 21:11:19 +00:00
38 lines
1.7 KiB
Go
38 lines
1.7 KiB
Go
|
package s3crypto
|
||
|
|
|
||
|
|
// DefaultInstructionKeySuffix is appended to the end of the instruction file key when
|
||
|
|
// grabbing or saving to S3
|
||
|
|
const DefaultInstructionKeySuffix = ".instruction"
|
||
|
|
|
||
|
|
const (
|
||
|
|
metaHeader = "x-amz-meta"
|
||
|
|
keyV1Header = "x-amz-key"
|
||
|
|
keyV2Header = keyV1Header + "-v2"
|
||
|
|
ivHeader = "x-amz-iv"
|
||
|
|
matDescHeader = "x-amz-matdesc"
|
||
|
|
cekAlgorithmHeader = "x-amz-cek-alg"
|
||
|
|
wrapAlgorithmHeader = "x-amz-wrap-alg"
|
||
|
|
tagLengthHeader = "x-amz-tag-len"
|
||
|
|
unencryptedMD5Header = "x-amz-unencrypted-content-md5"
|
||
|
|
unencryptedContentLengthHeader = "x-amz-unencrypted-content-length"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Envelope encryption starts off by generating a random symmetric key using
|
||
|
|
// AES GCM. The SDK generates a random IV based off the encryption cipher
|
||
|
|
// chosen. The master key that was provided, whether by the user or KMS, will be used
|
||
|
|
// to encrypt the randomly generated symmetric key and base64 encode the iv. This will
|
||
|
|
// allow for decryption of that same data later.
|
||
|
|
type Envelope struct {
|
||
|
|
// IV is the randomly generated IV base64 encoded.
|
||
|
|
IV string `json:"x-amz-iv"`
|
||
|
|
// CipherKey is the randomly generated cipher key.
|
||
|
|
CipherKey string `json:"x-amz-key-v2"`
|
||
|
|
// MaterialDesc is a description to distinguish from other envelopes.
|
||
|
|
MatDesc string `json:"x-amz-matdesc"`
|
||
|
|
WrapAlg string `json:"x-amz-wrap-alg"`
|
||
|
|
CEKAlg string `json:"x-amz-cek-alg"`
|
||
|
|
TagLen string `json:"x-amz-tag-len"`
|
||
|
|
UnencryptedMD5 string `json:"x-amz-unencrypted-content-md5"`
|
||
|
|
UnencryptedContentLen string `json:"x-amz-unencrypted-content-length"`
|
||
|
|
}
|