native-pkcs11 and smartcard-hsm

FUSTE Emmanuel emmanuel.fuste at
Tue May 24 14:36:01 UTC 2016

Le 23/05/2016 16:40, FUSTE Emmanuel a écrit :
> Hello,
> I'm trying to use a smartcard-hsm usb stick (v1.2) with BIND 9.10.3-P4.
> This stick is working with powerdns and support all crypto operations
> required for basic DNSSEC support.
> But I get this warning/error:
> "PKCS#11 provider has no digest service".
> "This HSM will not work with BIND 9 using native PKCS#11."
> Bind version:
> BIND 9.10.3-P4-Debian <id:ebd72b3>
> built by make with '--prefix=/usr' '--mandir=/usr/share/man'
> '--libdir=/usr/lib/i386-linux-gnu' '--infodir=/usr/share/info'
> '--sysconfdir=/etc/bind' '--with-python=python3' '--localstatedir=/'
> '--enable-threads' '--enable-largefile' '--with-libtool'
> '--enable-shared' '--enable-static' '--with-openssl=/usr'
> '--with-gssapi=/usr' '--with-gnu-ld' '--with-geoip=/usr' '--with-atf=no'
> '--enable-ipv6' '--enable-rrl' '--enable-filter-aaaa'
> '--enable-native-pkcs11'
> '--with-pkcs11=/usr/lib/i386-linux-gnu/softhsm/'
> 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat
> -Werror=format-security -fno-strict-aliasing
> -fno-delete-null-pointer-checks -DNO_VERSION_DATE' 'LDFLAGS=-fPIE -pie
> -Wl,-z,relro -Wl,-z,now' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2
> compiled by GCC 5.3.1 20160429
> compiled with OpenSSL version: OpenSSL 1.0.2h  3 May 2016
> linked to OpenSSL version: OpenSSL 1.0.2h  3 May 2016
> compiled with libxml2 version: 2.9.3
> linked to libxml2 version: 20903
> pkcs11-torens informations:
> pkcs11-tokens -m /usr/lib/i386-linux-gnu/
> Warning: PKCS#11 provider has no digest service
> This HSM will not work with BIND 9 using native PKCS#11.
>           rand_token=0x80300368
>           best_rsa_token=0x80300368
>           best_dsa_token=(nil)
>           best_dh_token=(nil)
>           digest_token=(nil)
>           best_ec_token=(nil)
>           best_gost_token=(nil)
>           aes_token=(nil)
>           address=0x80300368
>           slotID=0
>           label=SmartCard-HSM (UserPIN)
>           model=PKCS#15 emulated
>           serialNumber=DECC0100872
>           supported operations=0x6 (RAND,RSA)
> PKCS11 mechanism returned by pkcs11-tool:
> pkcs11-tool -M
> Using slot 0 with a present token (0x0)
> Supported mechanisms:
>     SHA-1, digest
>     SHA256, digest
>     SHA384, digest
>     SHA512, digest
>     MD5, digest
>     RIPEMD160, digest
>     GOSTR3411, digest
>     ECDSA, keySize={192,320}, hw, sign, other flags=0x1d00000
>     ECDSA-SHA1, keySize={192,320}, hw, sign, other flags=0x1d00000
>     ECDH1-COFACTOR-DERIVE, keySize={192,320}, hw, derive, other
> flags=0x1d00000
>     ECDH1-DERIVE, keySize={192,320}, hw, derive, other flags=0x1d00000
>     ECDSA-KEY-PAIR-GEN, keySize={192,320}, hw, generate_key_pair, other
> flags=0x1d00000
>     RSA-X-509, keySize={1024,2048}, hw, decrypt, sign, verify
>     RSA-PKCS, keySize={1024,2048}, hw, decrypt, sign, verify
>     SHA1-RSA-PKCS, keySize={1024,2048}, sign, verify
>     SHA256-RSA-PKCS, keySize={1024,2048}, sign, verify
>     SHA384-RSA-PKCS, keySize={1024,2048}, sign, verify
>     SHA512-RSA-PKCS, keySize={1024,2048}, sign, verify
>     MD5-RSA-PKCS, keySize={1024,2048}, sign, verify
>     RIPEMD160-RSA-PKCS, keySize={1024,2048}, sign, verify
>     RSA-PKCS-KEY-PAIR-GEN, keySize={1024,2048}, generate_key_pair
> Perhaps Bind require more, but all needed digest services are here.
> Is something that will be fixed ? How could I help to get it fixed ?
> Does anyone have any insights or suggestions?
> Thanks,
> Emmanuel.

Ok, digging into docs and code give me some answers:

In native PKCS11 mode, all crypto operations are offhanded to the HSM.
This is totally crazy nowadays. HSM are HSM not PKCS11 crypto 
accelerators, a concept from the past on actual hardware for 99.99% of 
real use.
If something like "sign-only" and "crypto-accelerator" OpenSSL-based 
PKCS#11 is not implemented too in the future, native-pkcs11 is a dead 
end. Option that should be select-able at runtime and which eventually 
permit to chose what to offload to the device in the crypto-accelerator 
mode (and perhaps on different devices etc ...).

Will try to compile a modified openssl in sign-only mode for my token.
I already successfully created keys with the pkcs11-keygen command and 
the used debian/ubuntu package already include native pkcs11 and openssl 
versions of named and dnssec tools (-pkcs11 variants).
I was misguided by the "named -V" command which return the 
--enable-native-pkcs11 flag on the two binary but they are linked with 
libisc libraries (cosmetic packaging problem).

Will report results.


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