Python EncryptionEnvelope Examples

Example #1

File: test_envelope.py Project: AverInformatics/s3-encryption

 def test_from_metadata_missing_key(self):
     meta = {
         'x-amz-matdesc': '{}',
         'x-amz-iv': self.iv_64,
     }
     envelope = EncryptionEnvelope()
     envelope.from_metadata(meta)

Example #2

File: test_envelope.py Project: AverInformatics/s3-encryption

 def test_from_metadata_missing_matdesc(self):
     meta = {
         'x-amz-iv': self.iv_64,
         'x-amz-key': self.key_64
     }
     envelope = EncryptionEnvelope()
     envelope.from_metadata(meta)

Example #3

File: test_envelope.py Project: usanchez/s3-encryption

 def test_from_metadata_missing_key(self):
     meta = {
         'x-amz-matdesc': '{}',
         'x-amz-iv': self.iv_64,
     }
     envelope = EncryptionEnvelope()
     envelope.from_metadata(meta)

Example #4

File: test_envelope.py Project: AverInformatics/s3-encryption

 def test_from_metadata_missing_iv(self):
     meta = {
         'x-amz-matdesc': '{}',
         'x-amz-key': self.key_64
     }
     envelope = EncryptionEnvelope()
     envelope.from_metadata(meta)

Example #5

File: test_envelope.py Project: AverInformatics/s3-encryption

    def test_encoding(self):
        envelope = EncryptionEnvelope(self.mock_materials)
        envelope.iv = self.iv
        envelope.key = self.key

        assert_equal(envelope['x-amz-matdesc'], '{}')
        assert_equal(envelope.iv, self.iv)
        assert_equal(envelope['x-amz-iv'], self.iv_64)
        assert_equal(envelope.key, self.key)
        assert_equal(envelope['x-amz-key'], self.key_64)

Example #6

File: test_envelope.py Project: usanchez/s3-encryption

    def test_encoding(self):
        envelope = EncryptionEnvelope(self.mock_materials)
        envelope.iv = self.iv
        envelope.key = self.key

        assert_equal(envelope['x-amz-matdesc'], '{}')
        assert_equal(envelope.iv, self.iv)
        assert_equal(envelope['x-amz-iv'], self.iv_64)
        assert_equal(envelope.key, self.key)
        assert_equal(envelope['x-amz-key'], self.key_64)

Example #7

 def build_response_context(self, obj_metadata, context):
     self.envelope = EncryptionEnvelope()
     self.envelope.from_metadata(obj_metadata)
     self.deconstruct_envelope()
     cipher = crypto.aes_cipher(mode='CBC')
     cipher.iv = self.envelope.iv
     cipher.key = self.envelope.key
     context['cipher'] = cipher
     context['raw_body'] = cipher.decrypt(context['body'])
     return context

Example #8

File: test_envelope.py Project: AverInformatics/s3-encryption

    def test_from_metadata(self):
        meta = {
            'x-amz-matdesc': '{}',
            'x-amz-iv': self.iv_64,
            'x-amz-key': self.key_64
        }
        envelope = EncryptionEnvelope()
        envelope.from_metadata(meta)

        assert_equal(envelope['x-amz-matdesc'], '{}')
        assert_equal(envelope.iv, self.iv)
        assert_equal(envelope['x-amz-iv'], self.iv_64)
        assert_equal(envelope.key, self.key)
        assert_equal(envelope['x-amz-key'], self.key_64)

Example #9

File: test_envelope.py Project: usanchez/s3-encryption

    def test_from_metadata(self):
        meta = {
            'x-amz-matdesc': '{}',
            'x-amz-iv': self.iv_64,
            'x-amz-key': self.key_64
        }
        envelope = EncryptionEnvelope()
        envelope.from_metadata(meta)

        assert_equal(envelope['x-amz-matdesc'], '{}')
        assert_equal(envelope.iv, self.iv)
        assert_equal(envelope['x-amz-iv'], self.iv_64)
        assert_equal(envelope.key, self.key)
        assert_equal(envelope['x-amz-key'], self.key_64)

Example #10

File: handler.py Project: tedder/s3-encryption

class DecryptionHandler(object):
    def __init__(self, provider):
        self.provider = provider

    def build_response_context(self, obj_metadata, context):
        self.envelope = EncryptionEnvelope()
        self.envelope.from_metadata(obj_metadata)
        self.deconstruct_envelope()
        cipher = crypto.aes_cipher(mode="CBC")
        cipher.iv = self.envelope.iv
        cipher.key = self.envelope.key
        context["cipher"] = cipher
        context["raw_body"] = cipher.decrypt(context["body"])
        return context

    def deconstruct_envelope(self):
        key = self.provider.key_for(self.provider.encryption_materials)
        self.envelope.key = crypto.aes_decrypt(key, self.envelope.key)

Example #11

class DecryptionHandler(object):

    def __init__(self, provider):
        self.provider = provider

    def build_response_context(self, obj_metadata, context):
        self.envelope = EncryptionEnvelope()
        self.envelope.from_metadata(obj_metadata)
        self.deconstruct_envelope()
        cipher = crypto.aes_cipher(mode='CBC')
        cipher.iv = self.envelope.iv
        cipher.key = self.envelope.key
        context['cipher'] = cipher
        context['raw_body'] = cipher.decrypt(context['body'])
        return context

    def deconstruct_envelope(self):
        key = self.provider.key_for(self.provider.encryption_materials)
        self.envelope.key = crypto.aes_decrypt(key, self.envelope.key)

Example #12

File: handler.py Project: tedder/s3-encryption

 def build_response_context(self, obj_metadata, context):
     self.envelope = EncryptionEnvelope()
     self.envelope.from_metadata(obj_metadata)
     self.deconstruct_envelope()
     cipher = crypto.aes_cipher(mode="CBC")
     cipher.iv = self.envelope.iv
     cipher.key = self.envelope.key
     context["cipher"] = cipher
     context["raw_body"] = cipher.decrypt(context["body"])
     return context

Example #13

File: test_envelope.py Project: usanchez/s3-encryption

 def test_from_metadata_empty(self):
     meta = {}
     envelope = EncryptionEnvelope()
     envelope.from_metadata(meta)

Example #14

File: test_envelope.py Project: usanchez/s3-encryption

 def test_from_metadata_missing_iv(self):
     meta = {'x-amz-matdesc': '{}', 'x-amz-key': self.key_64}
     envelope = EncryptionEnvelope()
     envelope.from_metadata(meta)

Example #15

File: test_envelope.py Project: usanchez/s3-encryption

 def test_from_metadata_missing_matdesc(self):
     meta = {'x-amz-iv': self.iv_64, 'x-amz-key': self.key_64}
     envelope = EncryptionEnvelope()
     envelope.from_metadata(meta)

Example #16

File: test_envelope.py Project: AverInformatics/s3-encryption

 def test_from_metadata_empty(self):
     meta = {}
     envelope = EncryptionEnvelope()
     envelope.from_metadata(meta)

Example #17

 def build_envelope(self, cipher):
     self.envelope = EncryptionEnvelope(self.provider.encryption_materials)
     self.envelope.iv = cipher.iv
     key = self.provider.key_for(self.provider.encryption_materials)
     self.envelope.key = crypto.aes_encrypt(key, cipher.key)
     return self.envelope