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Note: ECDSA as used in blockchain is related to other elliptical curve cryptographical algorithms.
From Table 9 we can see that the signing time of HS-Sign is about servel times faster than that of ECDSA scheme, but a little slower than that of RSA scheme in the same security levels, this result shows that HS-Sign is competitive with the traditional asymmetric cryptosystems.
The authors implement their solution of ECDSA on a small processor and gain 50 %  significant speed results compared to the other implementations by using FPGA acceleration.
Elliptic Curve DSA (ECDSA): This subdivision draws the processes for generating and verifying signatures using the ECDSA.
CH election schemes) Initial energy 20 Joules/battery Energy consumption model Energy model of  Bandwidth 1 Mbps Packet header size 25 bytes Transmission range 25 meters Signature Algorithm ECDSA (Elliptic Curve Digital Signature Algorithm)-160 (cluster formation schemes) Data Encryption and AES (Advanced Encryption Decryption Algorithm Standard)-128 (cluster formation schemes) Hash Algorithm SHA-1 (cluster formation schemes) MAC protocol Non-persistent CSMA, TDMA Table 3.
Chaum and the ECDSA signature algorithm, which has been accepted as standard elliptic curve algorithm in many international standardization organizations, such as IS014888-3, ANSI X9.
We assume that the parameters of the ECDSA are the same as that of the SM2 elliptic curve public key algorithms, therefore the signature process of ECDSA can be described as follows.
The results have shown that ECDSA signatures are significantly cheaper than RSA signatures.
The approved algorithms are AES (validation number 3971), RSA (2036), ECDSA (874), SHS (3275), DRBG (1165) and HMAC (2589).
Ben-Othman and Benitez  implemented the ECDSA (elliptic curve digital signature algorithm) technique to provide security in HWMP, namely, path request and path reply message.
We also include ECDSA in the comparison as a criterion , which is the signature algorithm adopted in .
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