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How to verify an ES256 (ECDSA using P-256 and SHA-256) signature with window.crypto.subtle?

After more googling and trying I found the answer: the ECDSA signature that I am using, is actually an ASN.1 encoded structure. NodeJS is fine with that during verification, however webcrypto not--it ...
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2 votes

Are digital signatures unique for the messages they sign?

If we did not use a hash function, or if we could assume that there exist no collisions in the hash function, are the signatures generated by a (generic digital signature scheme) guaranteed to be ...
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Are digital signatures unique for the messages they sign?

if we could assume that there exist no collisions in the hash function ... is it possible to have multiple signatures validate the same input? That depends on the signature algorithm. In some cases, ...
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Can OpenSSL sign an ED25519 certificate with ECDSA-with-SHA256?

Your 'sample' cert is NOT self-signed -- the issuer and subject are different. OpenSSL can do that. If you really do want self-signed INSTEAD: No OpenSSL doesn't 'assume RSA'! Ed25519 and Ed448 (and ...
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Comparisons of ECDSA, EdDSA and BLS Signatures in Blockchain: Pros and Cons

EdDSA and BLS are well known to support aggregation techniques (aggregation of public keys or signatures). This property makes them well-demanded in applications where you have many different ...
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