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Colliding X.509 Certificates
Colliding X.509 Certificates MD5 hash function Public Key Infrastructure
2009/1/19
We announce a method for the construction of pairs of valid X.509 certificates in which the “to be signed” parts form a collision for the MD5 hash function. As a result the issuer signatures in the ce...
Target Collisions for MD5 and Colliding X.509 Certificates for Different Identities
Target Collision MD5 Different Identities
2008/12/24
We have shown how, at a cost of about 252 calls to the MD5 compression function,
for any two target messages m1 and m2, values b1 and b2 can be constructed such that
the concatenated values m1kb1 an...