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5a80cbec2a
This PR adds pass-through, single encryption at gateway and double encryption support (gateway encryption with pass through of SSE headers to backend). If KMS is set up (either with Vault as KMS or using MINIO_SSE_MASTER_KEY),gateway will automatically perform single encryption. If MINIO_GATEWAY_SSE is set up in addition to Vault KMS, double encryption is performed.When neither KMS nor MINIO_GATEWAY_SSE is set, do a pass through to backend. When double encryption is specified, MINIO_GATEWAY_SSE can be set to "C" for SSE-C encryption at gateway and backend, "S3" for SSE-S3 encryption at gateway/backend or both to support more than one option. Fixes #6323, #6696 |
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| README.md | ||
Backend format xl.json
// ObjectPartInfo Info of each part kept in the multipart metadata
// file after CompleteMultipartUpload() is called.
type ObjectPartInfo struct {
Number int `json:"number"`
Name string `json:"name"`
ETag string `json:"etag"`
Size int64 `json:"size"`
}
// checkSumInfo - carries checksums of individual scattered parts per disk.
type checkSumInfo struct {
Name string `json:"name"`
Algorithm string `json:"algorithm"`
Hash string `json:"hash"`
}
// erasureInfo - carries erasure coding related information, block
// distribution and checksums.
type erasureInfo struct {
Algorithm string `json:"algorithm"`
DataBlocks int `json:"data"`
ParityBlocks int `json:"parity"`
BlockSize int64 `json:"blockSize"`
Index int `json:"index"`
Distribution []int `json:"distribution"`
Checksum []checkSumInfo `json:"checksum,omitempty"`
}
// statInfo - carries stat information of the object.
type statInfo struct {
Size int64 `json:"size"` // Size of the object `xl.json`.
ModTime time.Time `json:"modTime"` // ModTime of the object `xl.json`.
}
// A xlMetaV1 represents `xl.json` metadata header.
type xlMetaV1 struct {
Version string `json:"version"` // Version of the current `xl.json`.
Format string `json:"format"` // Format of the current `xl.json`.
Stat statInfo `json:"stat"` // Stat of the current object `xl.json`.
// Erasure coded info for the current object `xl.json`.
Erasure erasureInfo `json:"erasure"`
// Minio release tag for current object `xl.json`.
Minio struct {
Release string `json:"release"`
} `json:"minio"`
// Metadata map for current object `xl.json`.
Meta map[string]string `json:"meta,omitempty"`
// Captures all the individual object `xl.json`.
Parts []ObjectPartInfo `json:"parts,omitempty"`
}