tag

Lattice

14 posts
crypto

400Curves

RSA+2

400Curves: turn the RSA leak into a lattice recovery, rebuild the secret values, and decrypt the flag.

crypto

secure source

PRNG+3

secure source: reconstruct the PRNG state from the leak, replay it, and recover the flag.

crypto

Interception

Lattice+1

Interception: model the leak as a small lattice problem, recover the secret, and verify the flag.

crypto

Inside the Matrix

RSA+1

Inside the Matrix: turn the RSA leak into a lattice recovery, rebuild the secret values, and decrypt the flag.

crypto

Mayday Mayday

Lattice

Mayday Mayday: model the leak as a small lattice problem, recover the secret, and verify the flag.

crypto

Arranged

AES+3

Arranged: abuse the AES misuse, derive the missing key material, and decrypt the flag.

crypto

Bloom Bloom

AES+2

Bloom Bloom: abuse the AES misuse, derive the missing key material, and decrypt the flag.

crypto

Brevi Moduli

RSA+1

Brevi Moduli: turn the RSA leak into a lattice recovery, rebuild the secret values, and decrypt the flag.