On 05/03/2016 07:26 PM, Jamie Heilman wrote:
>>> Alrighty, presumably relevant bits:
>>> > >
>>> > > X.509: Cert Issuer: Build time autogenerated kernel key
>>> > > X.509: Cert Subject: Build time autogenerated kernel key
>>> > > X.509: Cert Key Algo: rsa
>>> > > X.509: Cert Valid period: 1461826791-4615426791
>>> > > X.509: Cert Signature: rsa + sha512
>>> > > X.509: ==>x509_check_signature()
>>> > > X.509: ==>x509_get_sig_params()
>>> > > X.509: <==x509_get_sig_params() = 0
>>> > > PKEY: ==>public_key_verify_signature()
>>> > > X.509: Cert Verification: -2
>> >
>> > Hmmm... Okay, the only ways out of public_key_verify_signature() without
>> > printing a leaving message are for snprintf() to overrun (which would return
>> > error -22) or for crypto_alloc_akcipher() to have failed; everything else must
>> > go through the kleave() at the pr_devel() at the bottom of the function.
>> >
>> > Can you stick:
>> >
>> > pr_devel("ALGO: %s\n", alg_name);
>> >
>> > immediately before this line:
>> >
>> > tfm = crypto_alloc_akcipher(alg_name, 0, 0);
>> >
>> > and try it again?
> PKEY: ALGO: pkcs1pad(rsa,sha512)
I think the problem is that pkcs1pad template needs CRYPTO_MANAGER, but
your configuration doesn't enable CRYPTO_MANAGER. Could you try this
please:
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 93a1fdc..1d33beb 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -96,6 +96,7 @@ config CRYPTO_AKCIPHER
config CRYPTO_RSA
tristate "RSA algorithm"
select CRYPTO_AKCIPHER
+ select CRYPTO_MANAGER
select MPILIB
select ASN1
help
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