Authentication of pharmaceutical products
First Claim
1. A method for authenticating a pharmaceutical product item, the pharmaceutical product item being associated with packaging having disposed thereon or therein coded data including a number of coded data portions, each coded data portion being indicative of an identity of the pharmaceutical product item and a part of a signature, the signature being a digital signature of at least part of the identity, the signature comprising a plurality of signature parts, the method comprising the steps of:
- receiving indicating data from a sensing device, the sensing device being responsive to sensing one coded data portion to generate indicating data at least partially indicative of;
the identity of the pharmaceutical product item;
the part of the signature; and
a signature part identifier;
determining, from the received identity and the received signature part identifier, a determined signature part;
authenticating the pharmaceutical product item by comparing the received part of the signature and the determined signature part,wherein the signature is a digital signature of at least part of the identity and padding, and the step of determining the determined signature part comprises sub-steps of;
determining, using the received identity of the pharmaceutical product item, the padding;
determining, using the padding, the received identity, and a secret key, the determined signature; and
determining the determined signature part from the determined signature and the signature part identifier.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for authenticating a pharmaceutical product, the pharmaceutical product being associated with packaging having disposed thereon or therein coded data including a number of coded data portions, each coded data portion being indicative of an identity of the pharmaceutical product and at least part of a digital signature of at least part of the identity. The method includes having a computer system receive indicating data from a sensing device, the sensing device being responsive to sensing of the coded data to generate indicating data at least partially indicative of the identity of the pharmaceutical product and the signature part. The computer system determines the identity at least one determined signature part and uses these to authenticate the pharmaceutical product.
37 Citations
10 Claims
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1. A method for authenticating a pharmaceutical product item, the pharmaceutical product item being associated with packaging having disposed thereon or therein coded data including a number of coded data portions, each coded data portion being indicative of an identity of the pharmaceutical product item and a part of a signature, the signature being a digital signature of at least part of the identity, the signature comprising a plurality of signature parts, the method comprising the steps of:
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receiving indicating data from a sensing device, the sensing device being responsive to sensing one coded data portion to generate indicating data at least partially indicative of; the identity of the pharmaceutical product item; the part of the signature; and a signature part identifier; determining, from the received identity and the received signature part identifier, a determined signature part; authenticating the pharmaceutical product item by comparing the received part of the signature and the determined signature part, wherein the signature is a digital signature of at least part of the identity and padding, and the step of determining the determined signature part comprises sub-steps of; determining, using the received identity of the pharmaceutical product item, the padding; determining, using the padding, the received identity, and a secret key, the determined signature; and determining the determined signature part from the determined signature and the signature part identifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification