Don't run testvectors checks on KEMs (#161)

CONTRIBUTING.md

@@ -30,7 +30,8 @@ See the section [API](#API) below.
     length-ciphertext: <N>          # KEM only
     length-shared-secret: <N>       # KEM only
     length-signature: <N>           # Signature only
-    testvectors-sha256: sha256sum of output of testvectors
+    nistkat-sha256: sha256sum of 1st NIST KAT test case # KEM only
+    testvectors-sha256: sha256sum of output of testvectors # Signature only
     principal-submitter: Eve
     auxiliary-submitters:
       - Alice

crypto_kem/frodokem1344aes/META.yml

@@ -5,7 +5,6 @@ length-public-key: 21520
 length-secret-key: 43088
 length-ciphertext: 21632
 length-shared-secret: 32
-testvectors-sha256: 91dce2e12200afc88f951aff9349b72d1dda6e53e305135a891aa1a67ef88352
 nistkat-sha256: 2f4f1c352c1b343cce386c54234ca39fe29b48e45c66300f7311f5d3060d82b3
 principal-submitter: Michael Naehrig, Microsoft Research
 auxiliary-submitters:

crypto_kem/frodokem1344shake/META.yml

@@ -5,7 +5,6 @@ length-public-key: 21520
 length-secret-key: 43088
 length-ciphertext: 21632
 length-shared-secret: 32
-testvectors-sha256: 8b62fc01fc1e4b4e336776b09b37aaf55d161b7c815b3298f39d4444b011e10c
 nistkat-sha256: 6e54e319cc590c3f136af81990a04cd0009ef78dec92825d2eb834adfec661dc
 principal-submitter: Michael Naehrig, Microsoft Research
 auxiliary-submitters:

crypto_kem/frodokem640aes/META.yml

@@ -5,7 +5,6 @@ length-public-key: 9616
 length-secret-key: 19888
 length-ciphertext: 9720
 length-shared-secret: 16
-testvectors-sha256: d4c7d30254a8cac8ad73b742b31813e47dcae6532a4dcbe13c04d72a2920a086
 nistkat-sha256: c1f006531583896c47416e10707d1c8e487fe549df304d7a9c43155d5e47b8b6
 principal-submitter: Michael Naehrig, Microsoft Research
 auxiliary-submitters:

crypto_kem/frodokem640shake/META.yml

@@ -5,7 +5,6 @@ length-public-key: 9616
 length-secret-key: 19888
 length-ciphertext: 9720
 length-shared-secret: 16
-testvectors-sha256: 8f922de02d41005fcc3c4164b2ab74c4c7b588ed69e34e22607d1ae4ab13d2c5
 nistkat-sha256: df2b77b8e108c61d16c78a99e79f3351ab15840a690f25c1f87a8e89295e9219
 principal-submitter: Michael Naehrig, Microsoft Research
 auxiliary-submitters:

crypto_kem/frodokem976aes/META.yml

@@ -5,7 +5,6 @@ length-public-key: 15632
 length-secret-key: 31296
 length-ciphertext: 15744
 length-shared-secret: 24
-testvectors-sha256: 30a2a3f2d834b5d90cd10241f53c4a4379abeea0dbd4eb65b260749b2ba81391
 nistkat-sha256: 7e415ab659d0d08d8f43135e1e9d75a8b342f52b65e8326ebf8135521b987615
 principal-submitter: Michael Naehrig, Microsoft Research
 auxiliary-submitters:

crypto_kem/frodokem976shake/META.yml

@@ -5,7 +5,6 @@ length-public-key: 15632
 length-secret-key: 31296
 length-ciphertext: 15744
 length-shared-secret: 24
-testvectors-sha256: 00707dc8158c6e51e70e9a7b23a87054c5f2167b77a2e5940b8e82519834717b
 nistkat-sha256: 0d3d3a3ad11b69a93e72f1233b310884e97be8d16c9981bf1eb1321880cd0658
 principal-submitter: Michael Naehrig, Microsoft Research
 auxiliary-submitters:

crypto_kem/kyber768/META.yml

@@ -5,7 +5,6 @@ length-public-key: 1088
 length-secret-key: 2400
 length-ciphertext: 1152
 length-shared-secret: 32
-testvectors-sha256: 2f5cf9937959eb4a3bc910f71e830e9e0de029b28093c6192d2c3e915913016f
 nistkat-sha256: d6dbb9399d1ba4ee2d986de3e54a461256b91d6c2f9b90ad2410cf41e09b64d1
 principal-submitter: Peter Schwabe
 auxiliary-submitters:

crypto_kem/ntruhps2048509/META.yml

@@ -5,7 +5,6 @@ length-public-key: 699
 length-secret-key: 935
 length-ciphertext: 699
 length-shared-secret: 32
-testvectors-sha256: 1a7c207b96f29043fad3e31e69a806aacd98e035ec0128fdf97350ec833f3b83
 nistkat-sha256: 7ecb93dbc7a588878691f2b2d656ebc42192779f335e3a96197f4ce2134f72c6
 principal-submitter: John M. Schanck
 auxiliary-submitters:

crypto_kem/ntruhps2048677/META.yml

@@ -5,7 +5,6 @@ length-public-key: 930
 length-secret-key: 1234
 length-ciphertext: 930
 length-shared-secret: 32
-testvectors-sha256: 949f3ff44551abe3efd08e3527dd72a0bfba1df50deb49f619becf8b19ac283b
 nistkat-sha256: 715a5caf1ee22bb4b75ff6b10f911fec77e0d63378ea359c0773ee0a4c6cbb97
 principal-submitter: John M. Schanck
 auxiliary-submitters:

crypto_kem/ntruhps4096821/META.yml

@@ -5,7 +5,6 @@ length-public-key: 1230
 length-secret-key: 1590
 length-ciphertext: 1230
 length-shared-secret: 32
-testvectors-sha256: 099c3d9b6700608f9c7c95b89efbda75841a1e620a0d3bb0b6e7d403ca249e3f
 nistkat-sha256: 0c5b6b159fab6eb677da469ec35aaa7e6b16162b315dcdb55a3b5da857e10519
 principal-submitter: John M. Schanck
 auxiliary-submitters:

crypto_kem/ntruhrss701/META.yml

@@ -5,7 +5,6 @@ length-public-key: 1138
 length-secret-key: 1450
 length-ciphertext: 1138
 length-shared-secret: 32
-testvectors-sha256: a0082a6607ab054c296a02e1bea1b5d7ee8465077ee7989ab4295f9e464d0558
 nistkat-sha256: 501e000c3eb374ffbfb81b0f16673a6282116465936608d7d164b05635e769e8
 principal-submitter: John M. Schanck
 auxiliary-submitters:

test/test_metadata.py

@@ -47,7 +47,6 @@ EXPECTED_FIELDS = {
     'claimed-nist-level': {'type': int, 'min': 1, 'max': 5},
     'length-public-key': {'type': int, 'min': 1},
     'length-secret-key': {'type': int, 'min': 1},
-    'testvectors-sha256': {'type': str, 'length': 64},
     'principal-submitter': {'type': str},
     'auxiliary-submitters': {'type': list, 'elements': {'type': str}},
     'implementations': {
@@ -70,6 +69,7 @@ KEM_FIELDS = {
 
 SIGNATURE_FIELDS = {
     'length-signature': {'type': int, 'min': 1},
+    'testvectors-sha256': {'type': str, 'length': 64},
 }
 
 

test/test_testvectors.py

@@ -28,7 +28,7 @@ def test_testvectors():
         assert(implementation.scheme.metadata()['testvectors-sha256'].lower()
                == hashlib.sha256(out.encode('utf-8')).hexdigest().lower())
 
-    for scheme in pqclean.Scheme.all_schemes():
+    for scheme in pqclean.Scheme.all_schemes_of_type('sign'):
         for implementation in scheme.implementations:
             yield check_testvectors, implementation