Decrypt decrypts the ETag with the given key.

Equal returns true if and only if the two ETags are identical.

FromContentMD5 decodes and returns the Content-MD5 as ETag, if set.

Get extracts and parses an ETag from the given HTTP headers.

Multipart computes an S3 multipart ETag given a list of S3 singlepart ETags.

NewReader returns a new Reader that computes the MD5 checksum of the content read from r as ETag.

Parse parses s as an S3 ETag, returning the result.

Set adds the ETag to the HTTP headers.

Wrap returns an io.Reader that reads from the wrapped io.Reader and implements the Tagger interaface.

A Reader wraps an io.Reader and computes the MD5 checksum of the read content as ETag.

VerifyError is an error signaling that a computed ETag does not match an expected ETag.

Tagger is the interface that wraps the basic ETag method.

ETag is a single S3 ETag.