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New elliptic curve family: twisted Edwards

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Add an elliptic curve family for the twisted Edwards curves
Edwards25519 and Edwards448 ("Goldilocks"). As with Montgomery curves,
since these are the only two curves in common use, the family has a
generic name.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2021-02-24 21:49:40 +01:00
parent 4a7074022a
commit 67546802fe
6 changed files with 81 additions and 1 deletions
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scripts/mbedtls_dev/crypto_knowledge.py
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@ -78,6 +78,7 @@ class KeyType:
'PSA_ECC_FAMILY_SECT_R2': (163,),
'PSA_ECC_FAMILY_BRAINPOOL_P_R1': (160, 192, 224, 256, 320, 384, 512),
'PSA_ECC_FAMILY_MONTGOMERY': (255, 448),
'PSA_ECC_FAMILY_TWISTED_EDWARDS': (256, 448),
}
KEY_TYPE_SIZES = {
'PSA_KEY_TYPE_AES': (128, 192, 256), # exhaustive