Dear OpenSSSL users,
we recently came across a certificate with OID: id-RSASSA-PSS aka
rsassaPss in x509 subjects public key AlgorithmIdentifier.
According to rfc4056 it is legitimate to use rsaEncryption or
id-RSASSA-PSS as OID for the subject public key.
But when listing the certs's contents or during verification, openssl
v1.0.2h bails out:
12392:error:0609E09C:digital envelope
routines:PKEY_SET_TYPE:unsupported algorithm:.\crypto\evp\p_lib.c:231:
12392:error:0B07706F:x509 certificate
routines:X509_PUBKEY_get:unsupported
algorithm:.\crypto\asn1\x_pubkey.c:148:
which is caused by failing to assign the proper ameth structure to the key.
Later in x_pubkey.c, only the method pub_decode is needed, which seems
to work for rsassa pubkeys.
So may we assign the same methods associated to rsaEncryption in this
case or are we breaking other functionality by doing so?
Thanks
--
Christian Weber
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