US 10,482,078 B2Granted

Methods and devices for handling hash-tree based data signatures

AssigneeTelefonaktiebolaget LM Ericsson (publ)

InventorsHarri Hakala, Mikael Jaatinen, Hannu Lehtinen, Leena Marjatta Mattila

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Abstract

The disclosure relates to a method (30) of handling a hash-tree based data signature. The method (30) is performed in a first device (13, 13a) and comprises: receiving (31), from a second device (12, 12a, 12b), a data signature generation request, the request comprising an indication on type of storage of a generated data signature; generating (32), in response to the data signature generation request, the data signature B using a hash-tree based data signing method; and providing (33), to the second device (12, 12a, 12b), a reference C to the generated data signature, wherein the generated data signature is obtainable by means of the reference C. The disclosure also relates to a method in a second device, corresponding devices, computer programs and computer program products.

Claims24

Dependent claims

A method of handling a hash-tree based data signature, the method being performed in a first device and comprising:

the first device receiving, from a second device, a data signature generation request, the request comprising a storage type indicator indicating a requested storage type, wherein the storage type indicator included in the data signature generation request indicates that the second device is requesting network based storage of a data signature,
the first device generating, in response to the data signature generation request, a data signature B using a hash-tree based data signing method,
the first device generating a reference C to the generated data signature B, wherein the generated data signature B is obtainable by means of the reference C,
the first device determining that the storage type indicator included in the data signature generation request indicates that the second device is requesting network based storage of the data signature B, and
as a result of determining that the storage type indicator included in the data signature generation request indicates that the second device is requesting network based storage of the data signature B, the first device providing to the second device that transmitted the data signature request the reference C to the generated data signature B or a hash value E of the reference C.

2 more elements

A first device for handling a hash-tree based data signature, the first device comprising at least one processor and a memory, wherein the memory comprises instructions which when executed by the processor causes the first device to:

receive, from a second device, a data signature generation request, the request comprising a storage type indicator indicating a requested storage type, wherein the storage type indicator included in the data signature generation request indicates that the second device is requesting network based storage of a data signature;
generate, in response to the data signature generation request, the data signature B using a hash-tree based data signing method;
generate a reference C to the generated data signature B, wherein the generated data signature B is obtainable by means of the reference C,
determine whether the storage type indicator included in the data signature generation request indicates that the second device is requesting network based storage of the data signature B, and
as a result of determining that the storage type indicator included in the data signature generation request indicates that the second device is requesting network based storage of the data signature B, provide to the second device that transmitted the data signature request the reference C to the generated data signature B or a hash value E of the reference C.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/765,602Filed 30 Jun 2015
Published: US 2017/0004168 A15 Jan 2017
Granted: 19 Nov 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

G06F 16/2365
Updating: ensuring data consistency and integrity
G06F 16/2246
Indexing structures: trees, e.g. B+trees
G06F 16/2255
Indexing structures: hash tables
H04L 9/006
Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols: involving public key…

Family

US 2017/0004168 A1Pre-grant publication · published 5 Jan 2017
US 10,482,078 B2This patent

From the US filing history. Foreign family members aren’t listed.

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