Patent application number | Description | Published |
20140237253 | CRYPTOGRAPHIC DEVICES AND METHODS FOR GENERATING AND VERIFYING COMMITMENTS FROM LINEARLY HOMOMORPHIC SIGNATURES - A processor of a device generates a cryptographic commitment by receiving a vector {right arrow over (m)}, a public verification key of a homomorphic signature scheme, and a tag; choosing a signature σ in the signature space; generating a commitment c by running the verification algorithm of the homomorphic signature scheme; and outputting the commitment c as intermediate values resulting from the verification algorithm. | 08-21-2014 |
20140237254 | CRYPTOGRAPHIC DEVICES AND METHODS FOR GENERATING AND VERIFYING LINEARLY HOMOMORPHIC STRUCTURE-PRESERVING SIGNATURES - Generation of linearly homomorphic structure-preserving signature σ on a vector (M | 08-21-2014 |
20140270156 | CRYPTOGRAPHIC DEVICES AND METHODS FOR ENCODING-FREE ENCRYPTION ON ELLIPTIC CURVES - Encoding-free encryption on elliptic curves is obtained by a device having a processor choosing an integer r∈ | 09-18-2014 |
20150067340 | CRYPTOGRAPHIC GROUP SIGNATURE METHODS AND DEVICES - To generate a group signature on a message, a processor generates a two-level signature on an identity of the group member at the first level and the message at the second level; generates a commitment to the identity of the group member, commitments to each group element and a proof that the identity and the group elements satisfy a predetermined equation; encodes the identity of the group member in the group signature in a bit-wise manner using an identity-based encryption scheme where the message serves as the identity of the identity-based encryption scheme to produce a ciphertext; generates a first proof that the ciphertext encrypts the identity of the group member; generates a second proof that the encoded identity is an identity of a group member in a certificate signed by a group manager and that the certificate was used to generate the signature on the message at the second level; and outputs the group signature comprising the two-level signature, the commitments, the encoded identity of the group member and the proofs | 03-05-2015 |
20150100785 | METHOD FOR CIPHERING A MESSAGE VIA A KEYED HOMOMORPHIC ENCRYPTION FUNCTION, CORRESPONDING ELECTRONIC DEVICE AND COMPUTER PROGRAM PRODUCT - In one embodiment, it is proposed a method for ciphering a message by a sender device at destination to a receiver device, said method comprising using a keyed homomorphic encryption function associated with a public key of said receiver device. Such method is remarkable in that it comprises:
| 04-09-2015 |
20150100794 | METHOD FOR SIGNING A SET OF BINARY ELEMENTS, AND UPDATING SUCH SIGNATURE, CORRESPONDING ELECTRONIC DEVICES AND COMPUTER PROGRAM PRODUCTS - In one embodiment, it is proposed a method for signing a set of binary element comprising n elements, where n is an integer, by an electronic device. Such method is remarkable in that it outputs a signature associated to the set, that can be derived by the use of the public key when one or several new elements are added to the set. | 04-09-2015 |
20150154422 | METHOD FOR DETERMINING A STATISTIC VALUE ON DATA BASED ON ENCRYPTED DATA - In one embodiment, it is proposed a method for determining a statistic value, for a given time period t, on a set of n≧2 of plaintext data {x | 06-04-2015 |
20150270966 | AGGREGATOR-OBLIVIOUS ENCRYPTION OF TIME-SERIES DATA - A processor of a device of user i in an aggregator-oblivious encryption system with n users encrypts a message {right arrow over (x | 09-24-2015 |
20150295710 | PAILLIER-BASED BLIND DECRYPTION METHODS AND DEVICES - Paillier-based blind decryption. A user device obtains a first Paillier Paillier ciphertext c for a message m, generates a blinded Paillier ciphertext c | 10-15-2015 |
Patent application number | Description | Published |
20110100816 | BLOOD SERUM MARKER FOR DETECTION AND DIAGNOSIS OF ALZHEIMER'S DISEASE - The present invention relates to a blood marker for early detection and diagnosis of Alzheimer's disease. More specifically, it relates to an analysis of the protein glycan profile in the blood, and the identification of specific peak ratio's when compared to healthy aged matched subjects that are typical for Alzheimer's dementia. | 05-05-2011 |
20140037646 | MMP8 INACTIVATING ANTIGEN BINDING PROTEINS - Described are MMP8 inactivating antigen binding proteins, such as antigen binding proteins comprising an amino acid sequence that comprises 4 framework regions and 3 complementary determining regions; further described is the use of such antigen binding proteins to treat inflammation, such as, but not limited to, systemic inflammatory response syndrome, sepsis, LPS induced inflammation, renal ischemia/reperfusion injury, ventilation induced lung injury, periodontal inflammation, rheumatoid arthritis, multiple sclerosis, ankylosing spondylitis, Lyme arthritis and osteoarthritis. | 02-06-2014 |