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Diffie-Hellman vs ECDH
Ciro Santilli
(
@cirosantilli,
37
)
...
Computer science
Cryptography
Symmetric and public-key cryptography
Public-key cryptography
Elliptic curve cryptography
Elliptic-curve Diffie-Hellman
Updated
2025-07-16
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crypto.stackexchange.com/questions/29906/how-does-diffie-hellman-differ-from-elliptic-curve-diffie-hellman
ECDH
has smaller keys.
youtu.be/gAtBM06xwaw?t=634
mentions some interesting downsides:
bad
curves
exist, while in modular, any
number
seems to work well.
TODO
why?
TODO
can'
t
find this mentioned anywher else:
Diffie-Hellman key exchange
has a
proof that there is no
algorithm
,
ECDH
doesn'
t
. Which proof?
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Elliptic-curve Diffie-Hellman
Elliptic curve cryptography
Public-key cryptography
Symmetric and public-key cryptography
Cryptography
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