X-Minio-Internal-Server-Side-Encryption-S3-Kms-Sealed-Key":"IAAfAJjZ2dY7iCAom9rP/UK/5mmg/gpSloOs8Xjy5gYKtTDfL==","X-Minio-Internal-Server-Side-Encryption-S3-Sealed-Key":"IAAfAN+0R4CsC3ibYvamkvm9KIg+hidIQ==","X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm":"DAREv2-HMAC-SHA256","content-type":"text/plain"}},{"Bucket":"buck1","Name":"go_113/src/cmd/go/testdata/mod/rsc.io_breaker_v1.0.0.txt","UserDef":{"X-Minio-Internal-Server-Side-Encryption-Iv":"HaaoKKQdysUQRnLF1tKF+a0BiM=","X-Minio-Intern...

		Metadata: map[string]string{
			"X-Minio-Internal-Server-Side-Encryption-Sealed-Key":     "IAAfAMBdYor5tf/UlVaQvwYlw5yKbPBeQqfygqsfHqhu1wHD9KDAP4bw38AhL12prFTS23JbbR9Re5Qv26ZnlQ==",
			"X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm": "DAREv2-HMAC-SHA256",
			"X-Minio-Internal-Server-Side-Encryption-Iv":             "coVfGS3I/CTrqexX5vUN+PQPoP9aUFiPYYrSzqTWfBA=",
		},
		ExpectedErr: nil,
	},

		ShouldPass: false,
	}, // 4
}

func TestSealUnsealKey(t *testing.T) {
	for i, test := range sealUnsealKeyTests {
		key := GenerateKey(test.SealExtKey[:], rand.Reader)
		sealedKey := key.Seal(test.SealExtKey[:], test.SealIV, test.SealDomain, test.SealBucket, test.SealObject)
		if err := key.Unseal(test.UnsealExtKey[:], sealedKey, test.UnsealDomain, test.UnsealBucket, test.UnsealObject); err == nil && !test.ShouldPass {

42tymK0szRgGvAxBNcXyHXYooe9dQpeeEJWgKUa/8R61oCy1mFwIg==", "X-Minio-Internal-Server-Side-Encryption-S3-Sealed-Key": "IAAfAPFYRDkHVirJBJxBixNj3PLWt78dFuUTyTLIdLG820J7XqLPBO4gpEEEWw/DoTsJIb+apnaem+rKtQ1h3Q==", "X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm": "DAREv2-HMAC-SHA256", "content-type": "application/octet-stream", "etag": "20000f00e2c3709dc94905c6ce31e1cadbd1c064e14acdcd44cf0ac2db777eeedd88d639fcd64de16851ade8b21a9a1a"}, Parts: []ObjectPartInfo{{ETag: "", Number: 1, Size: 3430, ActualSize:...

	errMissingInternalSealAlgorithm = Errorf("The object metadata is missing the internal seal algorithm")

	errInvalidInternalIV            = Errorf("The internal encryption IV is malformed")
	errInvalidInternalSealAlgorithm = Errorf("The internal seal algorithm is invalid and not supported")
)

// errOutOfEntropy indicates that the a source of randomness (PRNG) wasn't able

	"github.com/minio/sio"
)

const (
	// SealAlgorithm is the encryption/sealing algorithm used to derive & seal
	// the key-encryption-key and to en/decrypt the object data.
	SealAlgorithm = "DAREv2-HMAC-SHA256"

	// InsecureSealAlgorithm is the legacy encryption/sealing algorithm used
	// to derive & seal the key-encryption-key and to en/decrypt the object data.

var validSSEReplicationHeaders = map[string]string{
	"X-Minio-Internal-Server-Side-Encryption-Sealed-Key":     "X-Minio-Replication-Server-Side-Encryption-Sealed-Key",
	"X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm": "X-Minio-Replication-Server-Side-Encryption-Seal-Algorithm",
	"X-Minio-Internal-Server-Side-Encryption-Iv":             "X-Minio-Replication-Server-Side-Encryption-Iv",

			t.Errorf("Test %d: sealed KMS data mismatch: got '%v' - want '%v'", i, kmsKey, test.SealedDataKey)
		}
		if sealedKey.Algorithm != test.SealedKey.Algorithm {
			t.Errorf("Test %d: seal algorithm mismatch: got '%s' - want '%s'", i, sealedKey.Algorithm, test.SealedKey.Algorithm)
		}
		if !bytes.Equal(sealedKey.IV[:], test.SealedKey.IV[:]) {

		}
		if subtle.ConstantTimeCompare(oldKey, newKey) == 1 && sealedKey.Algorithm == crypto.SealAlgorithm {
			return nil // don't rotate on equal keys if seal algorithm is latest
		}
		sealedKey = objectKey.Seal(newKey, sealedKey.IV, crypto.SSEC.String(), bucket, object)
		crypto.SSEC.CreateMetadata(metadata, sealedKey)
		return nil
	default:
		return errObjectTampered
	}
}

	Algorithm string   // The sealing algorithm used to encrypt the object key.
}

// Seal encrypts the ObjectKey using the 256 bit external key and IV. The sealed
// key is also cryptographically bound to the object's path (bucket/object) and the
// domain (SSE-C or SSE-S3).
func (key ObjectKey) Seal(extKey []byte, iv [32]byte, domain, bucket, object string) SealedKey {
	if len(extKey) != 32 {