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gencrypto: mbedtls: manual rsa padding removal only needed on old mbedtls in optee

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This commit is contained in:
Andy Green 2019-01-27 19:38:59 +08:00
parent aada7348ea
commit 63ad616941
1 changed files with 7 additions and 1 deletions
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8
lib/jose/jwe/jwe-rsa-aescbc.c
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@ -178,12 +178,18 @@ lws_jwe_auth_and_decrypt_rsa_aes_cbc_hs(struct lws_jwe *jwe)
return -1;
}
#if defined(LWS_WITH_MBEDTLS) && defined(LWS_PLAT_OPTEE)
/* strip padding */
n = jwe->jws.map.buf[LJWE_CTXT][jwe->jws.map.len[LJWE_CTXT] - 1];
if (n > 16)
if (n > 16) {
lwsl_err("%s: n == %d, plen %d\n", __func__, n,
(int)jwe->jws.map.len[LJWE_CTXT]);
return -1;
}
jwe->jws.map.len[LJWE_CTXT] -= n;
#endif
return jwe->jws.map.len[LJWE_CTXT];
}