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https://github.com/token2/snapd.git
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66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2015 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package asserts_test
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import (
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"crypto"
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_ "crypto/sha256"
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"encoding/base64"
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. "gopkg.in/check.v1"
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"github.com/snapcore/snapd/asserts"
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)
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type encodeDigestSuite struct{}
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var _ = Suite(&encodeDigestSuite{})
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func (eds *encodeDigestSuite) TestEncodeDigestOK(c *C) {
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h := crypto.SHA512.New()
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h.Write([]byte("some stuff to hash"))
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digest := h.Sum(nil)
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encoded, err := asserts.EncodeDigest(crypto.SHA512, digest)
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c.Assert(err, IsNil)
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decoded, err := base64.RawURLEncoding.DecodeString(encoded)
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c.Assert(err, IsNil)
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c.Check(decoded, DeepEquals, digest)
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// sha3-384
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b, err := base64.RawURLEncoding.DecodeString(blobSHA3_384)
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c.Assert(err, IsNil)
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encoded, err = asserts.EncodeDigest(crypto.SHA3_384, b)
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c.Assert(err, IsNil)
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c.Check(encoded, Equals, blobSHA3_384)
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}
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func (eds *encodeDigestSuite) TestEncodeDigestErrors(c *C) {
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_, err := asserts.EncodeDigest(crypto.SHA1, nil)
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c.Check(err, ErrorMatches, "unsupported hash")
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_, err = asserts.EncodeDigest(crypto.SHA512, []byte{1, 2})
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c.Check(err, ErrorMatches, "hash digest by sha512 should be 64 bytes")
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_, err = asserts.EncodeDigest(crypto.SHA3_384, []byte{1, 2})
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c.Check(err, ErrorMatches, "hash digest by sha3-384 should be 48 bytes")
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}
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