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package v4
// Signature Version 4 (SigV4) Constants
const (
// EmptyStringSHA256 is the hex encoded sha256 value of an empty string
EmptyStringSHA256 = `e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855`
// UnsignedPayload indicates that the request payload body is unsigned
UnsignedPayload = "UNSIGNED-PAYLOAD"
// AmzAlgorithmKey indicates the signing algorithm
AmzAlgorithmKey = "X-Amz-Algorithm"
// AmzSecurityTokenKey indicates the security token to be used with temporary credentials
AmzSecurityTokenKey = "X-Amz-Security-Token"
// AmzDateKey is the UTC timestamp for the request in the format YYYYMMDD'T'HHMMSS'Z'
AmzDateKey = "X-Amz-Date"
// AmzCredentialKey is the access key ID and credential scope
AmzCredentialKey = "X-Amz-Credential"
// AmzSignedHeadersKey is the set of headers signed for the request
AmzSignedHeadersKey = "X-Amz-SignedHeaders"
// AmzSignatureKey is the query parameter to store the SigV4 signature
AmzSignatureKey = "X-Amz-Signature"
// TimeFormat is the time format to be used in the X-Amz-Date header or query parameter
TimeFormat = "20060102T150405Z"
// ShortTimeFormat is the shorten time format used in the credential scope
ShortTimeFormat = "20060102"
// ContentSHAKey is the SHA256 of request body
ContentSHAKey = "X-Amz-Content-Sha256"
// StreamingEventsPayload indicates that the request payload body is a signed event stream.
StreamingEventsPayload = "STREAMING-AWS4-HMAC-SHA256-EVENTS"
)
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