New answers tagged python
1
This is making a prepared statement. It won't sanitize the inputs. At a low level, it's probably using the sqlite c api, and it would look something like:
stmnt = sqlite3_prepare("INSERT INTO table (e1, e2) VALUES(?, ?)")
sqlite3_bind_int(stmnt,0,V1)
sqlite3_bind_blob(stmnt,1,V1)
while((row = sqlite3_step(stmnt) != SQLITE_DONE){
//do something ...
0
The signature format was not correct, I've added the following:
from asn1crypto.algos import DSASignature
signature = priv.sign(info.dump(),
mechanism=Mechanism.ECDSA_SHA1)
value = DSASignature.from_p1363(signature).dump()
csr = CertificationRequest({
'certification_request_info': info,
'...
1
PKCS11 (and also P1363) formats ECDSA signature by concatenating the two numbers r,s encoded as fixed-size unsigned; for P-256 that size is 32 octets giving signature of 64 octets.
PKCS10, like X.509/PKIX, formats ECDSA signature as an ASN.1 SEQUENCE of two INTEGERs; each INTEGER in ASN.1 DER is variable-size signed (technically two's complement, but since ...
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