- Category: Web
- Impact: Medium
- Solves: 20
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Siss3l
/ 0724.md
Last active
February 11, 2025 00:33
Intigriti's July 2024 Web Challenge thanks to @amit-laish and @dkonis
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| def sh1(z): | |
| h, l, p = ([0x67452301,0xEFCDAB89,0x98BADCFE,0x10325476,0xC3D2E1F0],lambda n,b:((n<<b)|(n>>(32-b)))&0xFFFFFFFF,lambda m:m+b"\x80"+b"\x00"*((55-len(m))%int(64))+(int(8)*len(m)).to_bytes(8,"big")) | |
| for g in [p(z)[i:i+64]for i in range(0,len(p(z)),64)]: | |
| w = [int.from_bytes(g[i:i+4],"big")for i in range(0, 64, 4)] | |
| [w.append(l(w[i-3].__xor__(w[i-8]).__xor__(w[i-14]).__xor__(w[i-16]), 1))for i in range(16,80)]; a, b, c, d, e = h | |
| for i in range(80):e,d,c,b,a=d,c,l(b,30),a,l(a,5)+(b&c|~int(b)&(d),b.__xor__(c).__xor__(d),b&c|b&d|c&d,b.__xor__(c).__xor__(d))[i//20]+e+(0x5A827999,0x6ED9EBA1,0x8F1BBCDC,0xCA62C1D6)[i//20]+w[i]&0xFFFFFFFF | |
| h = [(h[i]+[a, b, c, d, e][i])&0xFFFFFFFF for i in range(5)] | |
| return int(sum(x<<(32*i)for i, x in enumerate(h[::-1]))).to_bytes(20,"big") | |
| print("".join("LRUD"[int.from_bytes(sh1(bytes.fromhex("012345678999")+b"\x19\xa5\x7f\x15")[:2]+sh1(bytes.fromhex("012345678999")+b"\x03\x8f\xa5g\x00\x00")[:2],"big")>>30-2*i&3]for i in range(16))) # ULLDRLLUDLRLDDDL |
Siss3l
/ 0524.md
Created
May 8, 2024 18:39
Intigriti's May 2024 Web Challenge thanks to @stealthcopter
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| asr_model = __import__("nemo").collections.asr.models.EncDecMultiTaskModel.from_pretrained("nvidia/canary-1b") | |
| asr_model.encoder.change_attention_model("rel_pos_local_attn", [128, 128]) | |
| asr_model.encoder.change_subsampling_conv_chunking_factor(1) | |
| asr_model.to(__import__("torch").device("cuda:0")) # cpu | |
| print(asr_model.transcribe(audio="long_audio.wav", batch_size=4*4)) |
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| from qiskit import Aer, ClassicalRegister, QuantumCircuit, QuantumRegister, execute | |
| from qiskit.tools.monitor import job_monitor | |
| from random import choice, randint # from qiskit.circuit.library import U3Gate | |
| chunk_size = 16 | |
| expected_key_length = 10 | |
| delta = 2 * chunk_size | |
| roundtrips = (4 * expected_key_length + delta) // chunk_size | |
| alice_qubits = QuantumRegister(chunk_size, name="q") | |
| alice_bases = ClassicalRegister(chunk_size, name="b") |
Siss3l
/ 0424.md
Last active
February 11, 2025 00:33
Intigriti's April 2024 Web Challenge thanks to @kiredevsandhacks
Siss3l
/ 0224.md
Created
February 20, 2024 01:13
Intigriti's February 2024 Web Challenge thanks to @BillyNoGoat
Siss3l
/ sealed.md
Last active
February 11, 2025 00:34
Sealed Note - 1337UP Capture The Flag 2023 (thanks to @aszx87410)
Siss3l
/ 0124.md
Last active
February 11, 2025 00:34
Intigriti's January 2024 Web Challenge thanks to @kevin-mizu
