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NTAG21x Pk reused on NTAG 5...

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This commit is contained in:
Philippe Teuwen
2025-09-22 23:30:49 +02:00
parent 5b8bd31d17
commit f278633f51
2 changed files with 10 additions and 3 deletions
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7
client/src/crypto/originality.c
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@@ -44,7 +44,12 @@ const ecdsa_publickey_ng_t manufacturer_public_keys[] = {
},
// ref: AN11350 NTAG 21x Originality Signature Validation
{
PK_MFUL, MBEDTLS_ECP_DP_SECP128R1, 33, "NXP NTAG21x (2013)",
PK_MFUL, MBEDTLS_ECP_DP_SECP128R1, 33, "NXP NTAG21x",
"04494E1A386D3D3CFE3DC10E5DE68A499B1C202DB5B132393E89ED19FE5BE8BC61"
},
// same key used on NTAG 5
{
PK_15, MBEDTLS_ECP_DP_SECP128R1, 33, "NXP NTAG 5 link, NTAG 5 boost",
"04494E1A386D3D3CFE3DC10E5DE68A499B1C202DB5B132393E89ED19FE5BE8BC61"
},

6
tools/recover_pk.py
View File

@@ -93,9 +93,11 @@ def selftests():
"04C2285A373080", "A561506723D422D29ED9F93E60D20B9ED1E05CC1BF81DA19FE500CA0B81CC0ED"],
'pk': "0490933BDCD6E99B4E255E3DA55389A827564E11718E017292FAF23226A96614B8"},
{'name': "NTAG21x",
{'name': "NTAG21x, NTAG 5 link, NTAG 5 boost",
'samples': ["04E10CDA993C80", "8B76052EE42F5567BEB53238B3E3F9950707C0DCC956B5C5EFCFDB709B2D82B3",
"04DB0BDA993C80", "6048EFD9417CD10F6B7F1818D471A7FE5B46868D2EABDC6307A1E0AAE139D8D0"],
"04DB0BDA993C80", "6048EFD9417CD10F6B7F1818D471A7FE5B46868D2EABDC6307A1E0AAE139D8D0",
"0003FC2A580104E0", "A2AF1B088305152EA9197BA9446647BD8195EB75F3A19B31A2B9AE2274FA29A3",
"0003EECE580104E0", "D29D7B55B2F90494E9A886B939B580857BE5C1471D448D56D40ACD38143010C8"],
'pk': "04494E1A386D3D3CFE3DC10E5DE68A499B1C202DB5B132393E89ED19FE5BE8BC61"},
{'name': "Mifare Classic EV1",