Abstract
A novel public key cryptographic algorithm using a matrix pattern is developed to improve encrypting strength. Compared to the Rivest–Sharmir–Adleman (RSA) and Elliptic Curve Cryptography (ECC) algorithms, our proposed algorithm has superior encrypting strength due to several unknown quantities and one additional sub-equation during the encrypting process. Our proposed algorithm also provides a faster encoding/decoding speed when the patient’s images for tele-ultrasound applications are transmitted/received, compared to the RSA and ECC encrypting algorithms, because it encodes/decodes the plain memory block by simple addition and multiplication operations of n terms. However, the RSA and ECC algorithms encode/decode each memory block using complex mathematical exponentiation and congruence. To implement encrypting algorithms for tele-ultrasound applications, a streaming server was constructed to transmit the images to the systems using ultrasound machines. Using the obtained ultrasound images from a breast phantom, we compared our developed algorithm, utilizing a matrix pattern, with the RSA and ECC algorithms. The elapsed average time for our proposed algorithm is much faster than that for the RSA and ECC algorithms.
Highlights
Ultrasound is a non-expensive, non-invasive, and non-ionizing medical imaging modality compared to positron emission tomography (PET), single photo emission tomography (SPECT), and
Ultrasound imaging or therapeutic machines have been combined with other medical imaging modalities, such as magnetic resonance imaging (MRI), PET, and computer tomography (CT) [11,12,13]
In addition to the hardware development for ultrasound machines, wireless internet technology development will boost the usage of tele-ultrasound applications because tele-ultrasound requires a fast internet access speed for immediate diagnosis and remote treatment
Summary
Ultrasound is a non-expensive, non-invasive, and non-ionizing medical imaging modality compared to positron emission tomography (PET), single photo emission tomography (SPECT), and. When ultrasound examinations are performed remotely, the patient’s images obtained from the ultrasound machine are transferred to other computers or terminal devices, including cellular phones and tablet devices, for further diagnosis and treatment [16]. In the case of an emergency situation, the patient’s image data, obtained from the ultrasound machine in the ambulance or emergency room, must be transferred though high-speed communication channels to other workstations or computers should a medical clinician need to advise further diagnosis for the immediate treatment and appropriate care of the patient [19]. A Kobayasi encrypting algorithm was introduced to extract the patients’ images and security data for tele-medicine applications [30].
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