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Accepting request 805629 from devel:libraries:c_c++

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OBS-URL: https://build.opensuse.org/request/show/805629
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/libgcrypt?expand=0&rev=80
This commit is contained in:
Dominique Leuenberger 2020-05-19 12:43:00 +00:00 committed by Git OBS Bridge
commit ae21839c90
15 changed files with 1352 additions and 201 deletions
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13
libgcrypt-FIPS-GMAC_AES-benckmark.patch Normal file
View File

@ -0,0 +1,13 @@
Index: libgcrypt-1.8.2/tests/benchmark.c
===================================================================
--- libgcrypt-1.8.2.orig/tests/benchmark.c
+++ libgcrypt-1.8.2/tests/benchmark.c
@@ -598,7 +598,7 @@ mac_bench ( const char *algoname )
if (!algoname)
{
for (i=1; i < 600; i++)
- if (in_fips_mode && i == GCRY_MAC_HMAC_MD5)
+ if (in_fips_mode && (i == GCRY_MAC_HMAC_MD5 || i == GCRY_MAC_GMAC_AES))
; /* Don't use MD5 in fips mode. */
else if ( !gcry_mac_test_algo (i) )
mac_bench (gcry_mac_algo_name (i));

252
libgcrypt-FIPS-RSA-DSA-ECDSA-hashing-operation.patch
View File

@ -1,12 +1,121 @@
Index: libgcrypt-1.8.2/cipher/pubkey.c
===================================================================
--- libgcrypt-1.8.2.orig/cipher/pubkey.c
+++ libgcrypt-1.8.2/cipher/pubkey.c
@@ -384,6 +384,33 @@ _gcry_pk_decrypt (gcry_sexp_t *r_plain,
}
+static gcry_err_code_t
+calculate_hash (gcry_md_hd_t hd, gcry_sexp_t* s_hash)
+{
+ gcry_err_code_t rc;
+ const unsigned char *digest;
+ int algo;
+
+ if (!hd)
+ return 0;
+
+ rc = _gcry_pk_util_get_algo (*s_hash, &algo);
+ if (rc)
+ return rc;
+
+ digest = _gcry_md_read(hd, algo);
+ if (!digest)
+ return GPG_ERR_DIGEST_ALGO;
+
+ rc = _gcry_sexp_build (s_hash, NULL,
+ "(data (flags pkcs1)(hash %s %b))",
+ _gcry_md_algo_name(algo),
+ (int) _gcry_md_get_algo_dlen(algo),
+ digest);
+
+ return rc;
+}
+
/*
Create a signature.
@@ -414,7 +441,8 @@ _gcry_pk_decrypt (gcry_sexp_t *r_plain,
Note that (hash algo) in R_SIG is not used.
*/
gcry_err_code_t
-_gcry_pk_sign (gcry_sexp_t *r_sig, gcry_sexp_t s_hash, gcry_sexp_t s_skey)
+_gcry_pk_sign_md (gcry_sexp_t *r_sig, gcry_md_hd_t hd, gcry_sexp_t s_hash,
+ gcry_sexp_t s_skey)
{
gcry_err_code_t rc;
gcry_pk_spec_t *spec;
@@ -426,6 +454,10 @@ _gcry_pk_sign (gcry_sexp_t *r_sig, gcry_
if (rc)
goto leave;
+ rc = calculate_hash (hd, &s_hash);
+ if (rc)
+ goto leave;
+
if (spec->sign)
rc = spec->sign (r_sig, s_hash, keyparms);
else
@@ -437,6 +469,13 @@ _gcry_pk_sign (gcry_sexp_t *r_sig, gcry_
}
+gcry_err_code_t
+_gcry_pk_sign (gcry_sexp_t *r_sig, gcry_sexp_t s_hash, gcry_sexp_t s_skey)
+{
+ return _gcry_pk_sign_md (r_sig, NULL, s_hash, s_skey);
+}
+
+
/*
Verify a signature.
@@ -445,7 +484,8 @@ _gcry_pk_sign (gcry_sexp_t *r_sig, gcry_
as an S-Exp, sig is a S-Exp as returned from gcry_pk_sign and data
must be an S-Exp like the one in sign too. */
gcry_err_code_t
-_gcry_pk_verify (gcry_sexp_t s_sig, gcry_sexp_t s_hash, gcry_sexp_t s_pkey)
+_gcry_pk_verify_md (gcry_sexp_t s_sig, gcry_md_hd_t hd, gcry_sexp_t s_hash,
+ gcry_sexp_t s_pkey)
{
gcry_err_code_t rc;
gcry_pk_spec_t *spec;
@@ -455,6 +495,10 @@ _gcry_pk_verify (gcry_sexp_t s_sig, gcry
if (rc)
goto leave;
+ rc = calculate_hash (hd, &s_hash);
+ if (rc)
+ goto leave;
+
if (spec->verify)
rc = spec->verify (s_sig, s_hash, keyparms);
else
@@ -466,6 +510,13 @@ _gcry_pk_verify (gcry_sexp_t s_sig, gcry
}
+gcry_err_code_t
+_gcry_pk_verify (gcry_sexp_t s_sig, gcry_sexp_t s_hash, gcry_sexp_t s_pkey)
+{
+ return _gcry_pk_verify_md (s_sig, NULL, s_hash, s_pkey);
+}
+
+
/*
Test a key.
Index: libgcrypt-1.8.2/cipher/pubkey-internal.h
===================================================================
--- libgcrypt-1.8.2.orig/cipher/pubkey-internal.h
+++ libgcrypt-1.8.2/cipher/pubkey-internal.h
@@ -43,6 +43,7 @@ void _gcry_pk_util_free_encoding_ctx (st
@@ -43,6 +43,8 @@ void _gcry_pk_util_free_encoding_ctx (st
gcry_err_code_t _gcry_pk_util_data_to_mpi (gcry_sexp_t input,
gcry_mpi_t *ret_mpi,
struct pk_encoding_ctx *ctx);
+gcry_err_code_t _gcry_pk_util_get_algo (gcry_sexp_t input, int *algo);
+gcry_err_code_t _gcry_pk_util_get_algo (gcry_sexp_t input,
+ int *algo);
@ -65,121 +174,21 @@ Index: libgcrypt-1.8.2/cipher/pubkey-util.c
+
+ return rc;
+}
Index: libgcrypt-1.8.2/cipher/pubkey.c
Index: libgcrypt-1.8.2/src/g10lib.h
===================================================================
--- libgcrypt-1.8.2.orig/cipher/pubkey.c
+++ libgcrypt-1.8.2/cipher/pubkey.c
@@ -383,6 +383,33 @@ _gcry_pk_decrypt (gcry_sexp_t *r_plain,
return rc;
}
--- libgcrypt-1.8.2.orig/src/g10lib.h
+++ libgcrypt-1.8.2/src/g10lib.h
@@ -288,6 +288,10 @@ gpg_err_code_t _gcry_generate_fips186_3_
gpg_err_code_t _gcry_fips186_4_prime_check (const gcry_mpi_t x,
unsigned int bits);
+static gcry_err_code_t
+calculate_hash (gcry_md_hd_t hd, gcry_sexp_t s_hash)
+{
+ gcry_err_code_t rc;
+ const unsigned char *digest;
+ int algo;
+
+ if (!hd)
+ return 0;
+
+ rc = _gcry_pk_util_get_algo (s_hash, &algo);
+ if (rc)
+ return rc;
+
+ digest = _gcry_md_read(hd, algo);
+ if (!digest)
+ return GPG_ERR_DIGEST_ALGO;
+
+ rc = _gcry_sexp_build (&s_hash, NULL,
+ "(data (flags pkcs1)(hash %s %b))",
+ _gcry_md_algo_name(algo), (int) _gcry_md_get_algo_dlen(algo), digest);
+
+ return rc;
+}
+
+
+
+gcry_err_code_t _gcry_pk_sign_md (gcry_sexp_t *r_sig, gcry_md_hd_t hd,
+ gcry_sexp_t s_hash, gcry_sexp_t s_skey);
+gcry_err_code_t _gcry_pk_verify_md (gcry_sexp_t s_sig, gcry_md_hd_t hd,
+ gcry_sexp_t s_hash, gcry_sexp_t s_pkey);
/*
@@ -414,7 +442,8 @@ _gcry_pk_decrypt (gcry_sexp_t *r_plain,
Note that (hash algo) in R_SIG is not used.
*/
gcry_err_code_t
-_gcry_pk_sign (gcry_sexp_t *r_sig, gcry_sexp_t s_hash, gcry_sexp_t s_skey)
+_gcry_pk_sign_md (gcry_sexp_t *r_sig, gcry_md_hd_t hd, gcry_sexp_t s_hash,
+ gcry_sexp_t s_skey)
{
gcry_err_code_t rc;
gcry_pk_spec_t *spec;
@@ -426,6 +455,10 @@ _gcry_pk_sign (gcry_sexp_t *r_sig, gcry_
if (rc)
goto leave;
+ rc = calculate_hash (hd, s_hash);
+ if (rc)
+ goto leave;
+
if (spec->sign)
rc = spec->sign (r_sig, s_hash, keyparms);
else
@@ -436,6 +469,13 @@ _gcry_pk_sign (gcry_sexp_t *r_sig, gcry_
return rc;
}
+gcry_err_code_t
+_gcry_pk_sign (gcry_sexp_t *r_sig, gcry_sexp_t s_hash, gcry_sexp_t s_skey)
+{
+ return _gcry_pk_sign_md (r_sig, NULL, s_hash, s_skey);
+}
+
+
/*
Verify a signature.
@@ -445,7 +485,8 @@ _gcry_pk_sign (gcry_sexp_t *r_sig, gcry_
as an S-Exp, sig is a S-Exp as returned from gcry_pk_sign and data
must be an S-Exp like the one in sign too. */
gcry_err_code_t
-_gcry_pk_verify (gcry_sexp_t s_sig, gcry_sexp_t s_hash, gcry_sexp_t s_pkey)
+_gcry_pk_verify_md (gcry_sexp_t s_sig, gcry_md_hd_t hd, gcry_sexp_t s_hash,
+ gcry_sexp_t s_pkey)
{
gcry_err_code_t rc;
gcry_pk_spec_t *spec;
@@ -455,6 +496,10 @@ _gcry_pk_verify (gcry_sexp_t s_sig, gcry
if (rc)
goto leave;
+ rc = calculate_hash (hd, s_hash);
+ if (rc)
+ goto leave;
+
if (spec->verify)
rc = spec->verify (s_sig, s_hash, keyparms);
else
@@ -465,6 +510,12 @@ _gcry_pk_verify (gcry_sexp_t s_sig, gcry
return rc;
}
+gcry_err_code_t
+_gcry_pk_verify (gcry_sexp_t s_sig, gcry_sexp_t s_hash, gcry_sexp_t s_pkey)
+{
+ return _gcry_pk_verify_md (s_sig, NULL, s_hash, s_pkey);
+}
+
/*
Test a key.
@@ -497,6 +548,7 @@ _gcry_pk_testkey (gcry_sexp_t s_key)
}
+
/*
Create a public key pair and return it in r_key.
How the key is created depends on s_parms:
/* Replacements of missing functions (missing-string.c). */
#ifndef HAVE_STPCPY
Index: libgcrypt-1.8.2/src/visibility.c
===================================================================
--- libgcrypt-1.8.2.orig/src/visibility.c
@ -219,3 +228,18 @@ Index: libgcrypt-1.8.2/src/visibility.c
gcry_pk_verify (gcry_sexp_t sigval, gcry_sexp_t data, gcry_sexp_t pkey)
{
if (!fips_is_operational ())
Index: libgcrypt-1.8.2/src/visibility.h
===================================================================
--- libgcrypt-1.8.2.orig/src/visibility.h
+++ libgcrypt-1.8.2/src/visibility.h
@@ -357,8 +357,10 @@ MARK_VISIBLEX (_gcry_mpi_get_const)
#define gcry_pk_get_param _gcry_USE_THE_UNDERSCORED_FUNCTION
#define gcry_pk_get_nbits _gcry_USE_THE_UNDERSCORED_FUNCTION
#define gcry_pk_map_name _gcry_USE_THE_UNDERSCORED_FUNCTION
+#define gcry_pk_sign_md _gcry_USE_THE_UNDERSCORED_FUNCTION
#define gcry_pk_sign _gcry_USE_THE_UNDERSCORED_FUNCTION
#define gcry_pk_testkey _gcry_USE_THE_UNDERSCORED_FUNCTION
+#define gcry_pk_verify_md _gcry_USE_THE_UNDERSCORED_FUNCTION
#define gcry_pk_verify _gcry_USE_THE_UNDERSCORED_FUNCTION
#define gcry_pubkey_get_sexp _gcry_USE_THE_UNDERSCORED_FUNCTION

108
libgcrypt-PCT-DSA.patch Normal file
View File

@ -0,0 +1,108 @@
Index: libgcrypt-1.8.2/cipher/dsa.c
===================================================================
--- libgcrypt-1.8.2.orig/cipher/dsa.c
+++ libgcrypt-1.8.2/cipher/dsa.c
@@ -181,24 +181,91 @@ test_keys (DSA_secret_key *sk, unsigned
/* Create a random plaintext. */
_gcry_mpi_randomize (data, qbits, GCRY_WEAK_RANDOM);
- /* Sign DATA using the secret key. */
- sign (sig_a, sig_b, data, sk, 0, 0);
+ /* Use the gcry_pk_sign_md API in order to comply with FIPS 140-2,
+ * which requires full signature operation for PCT (hashing +
+ * asymmetric operation) */
+ gcry_sexp_t s_skey = NULL;
+ gcry_sexp_t s_pkey = NULL;
+ gcry_sexp_t r_sig = NULL;
+ gcry_sexp_t s_hash = NULL;
+ gcry_md_hd_t hd = NULL;
+ gcry_mpi_t r_sig_mpi = NULL;
+ gcry_mpi_t s_sig_mpi = NULL;
+ unsigned char *buf = NULL;
+ size_t buflen;
+
+ if (_gcry_md_open (&hd, GCRY_MD_SHA256, 0))
+ {
+ log_debug ("gcry_pk_sign failed\n");
+ goto leave;
+ }
+
+ _gcry_mpi_aprint (GCRYMPI_FMT_STD, &buf, &buflen, data);
+ _gcry_md_write (hd, buf, buflen);
+
+ xfree (buf);
+
+ /* build DSA private key sexp in s_skey */
+ sexp_build (&s_skey, NULL, "(private-key (dsa(p %m)(q %m)(g %m)(y %m)(x %m)))",
+ sk->p, sk->q, sk->g, sk->y, sk->x);
+ sexp_build (&s_hash, NULL, "(data (flags pkcs1)(hash-algo sha256))");
+ if (_gcry_pk_sign_md (&r_sig, hd, s_hash, s_skey))
+ {
+ log_debug ("gcry_pk_sign failed\n");
+ goto leave;
+ }
+
+ /* Check that the signature and the original plaintext differ. */
+ if (_gcry_sexp_extract_param (r_sig, NULL, "rs", &r_sig_mpi, &s_sig_mpi, NULL))
+ {
+ log_debug ("extracting signature data failed\n");
+ goto leave;
+ }
+
+ if ( !verify (r_sig_mpi, s_sig_mpi, data, &pk))
+ {
+ log_debug ("Signature failed\n");
+ goto leave; /* Signature matches but should not. */
+ }
+
+ _gcry_sexp_release (s_hash);
+ _gcry_md_close (hd);
+
+ /* build DSA public key sexp in s_pkey */
+ sexp_build (&s_pkey, NULL, "(public-key (dsa(p %m)(q %m)(g %m)(y %m)))",
+ pk.p, pk.q, pk.g, pk.y);
+ sexp_build (&s_hash, NULL, "(data (flags pkcs1)(hash-algo sha256))");
+
+ if (_gcry_md_open (&hd, GCRY_MD_SHA256, 0))
+ log_debug ("gcry_md_open failed\n");
+
+ _gcry_mpi_aprint (GCRYMPI_FMT_STD, &buf, &buflen, data);
+ _gcry_md_write (hd, buf, buflen);
+
+ xfree (buf);
+
+ /* verify the signature */
+ if (_gcry_pk_verify_md (r_sig, hd, s_hash, s_pkey))
+ {
+ log_debug ("gcry_pk_verify failed\n");
+ goto leave; /* Signature does not match. */
+ }
- /* Verify the signature using the public key. */
- if ( verify (sig_a, sig_b, data, &pk) )
- goto leave; /* Signature does not match. */
-
- /* Modify the data and check that the signing fails. */
- mpi_add_ui (data, data, 1);
- if ( !verify (sig_a, sig_b, data, &pk) )
- goto leave; /* Signature matches but should not. */
-
- result = 0; /* The test succeeded. */
+ result = 0; /* The test succeeded. */
leave:
_gcry_mpi_release (sig_b);
_gcry_mpi_release (sig_a);
_gcry_mpi_release (data);
+
+ _gcry_sexp_release (s_skey);
+ _gcry_sexp_release (s_pkey);
+ _gcry_sexp_release (s_hash);
+ _gcry_sexp_release (r_sig);
+ _gcry_mpi_release (r_sig_mpi);
+ _gcry_mpi_release (s_sig_mpi);
+ _gcry_md_close (hd);
+
return result;
}

348
libgcrypt-PCT-ECC.patch Normal file
View File

@ -0,0 +1,348 @@
Index: libgcrypt-1.8.2/cipher/ecc.c
===================================================================
--- libgcrypt-1.8.2.orig/cipher/ecc.c
+++ libgcrypt-1.8.2/cipher/ecc.c
@@ -99,7 +99,7 @@ static void *progress_cb_data;
/* Local prototypes. */
-static void test_keys (ECC_secret_key * sk, unsigned int nbits);
+static int test_keys (ECC_secret_key * sk, unsigned int nbits);
static void test_ecdh_only_keys (ECC_secret_key * sk, unsigned int nbits, int flags);
static unsigned int ecc_get_nbits (gcry_sexp_t parms);
@@ -152,6 +152,7 @@ nist_generate_key (ECC_secret_key *sk, e
gcry_random_level_t random_level;
gcry_mpi_t x, y;
const unsigned int pbits = mpi_get_nbits (E->p);
+ int free_skEname = 0;
point_init (&Q);
@@ -176,7 +177,6 @@ nist_generate_key (ECC_secret_key *sk, e
else
sk->d = _gcry_dsa_gen_k (E->n, random_level);
-
/* Compute Q. */
_gcry_mpi_ec_mul_point (&Q, sk->d, &E->G, ctx);
@@ -190,6 +190,12 @@ nist_generate_key (ECC_secret_key *sk, e
point_set (&sk->E.G, &E->G);
sk->E.n = mpi_copy (E->n);
sk->E.h = mpi_copy (E->h);
+ if (E->name)
+ {
+ free_skEname = 1;
+ sk->E.name = _gcry_xstrdup(E->name);
+ }
+
point_init (&sk->Q);
x = mpi_new (pbits);
@@ -261,10 +267,16 @@ nist_generate_key (ECC_secret_key *sk, e
if ((flags & PUBKEY_FLAG_NO_KEYTEST))
; /* User requested to skip the test. */
else if (sk->E.model != MPI_EC_MONTGOMERY)
- test_keys (sk, nbits - 64);
+ {
+ if (test_keys (sk, nbits - 64))
+ return GPG_ERR_BAD_SIGNATURE;
+ }
else
test_ecdh_only_keys (sk, nbits - 64, flags);
+ if (free_skEname)
+ xfree ((void*)sk->E.name);
+
return 0;
}
@@ -275,9 +287,10 @@ nist_generate_key (ECC_secret_key *sk, e
* test if the information is recuperated.
* Second, test with the sign and verify functions.
*/
-static void
+static int
test_keys (ECC_secret_key *sk, unsigned int nbits)
{
+ int result = -1; /* Default to failure. */
ECC_public_key pk;
gcry_mpi_t test = mpi_new (nbits);
mpi_point_struct R_;
@@ -297,17 +310,161 @@ test_keys (ECC_secret_key *sk, unsigned
_gcry_mpi_randomize (test, nbits, GCRY_WEAK_RANDOM);
- if (_gcry_ecc_ecdsa_sign (test, sk, r, s, 0, 0) )
- log_fatal ("ECDSA operation: sign failed\n");
+ /* Use the gcry_pk_sign_md API in order to comply with FIPS 140-2,
+ * which requires full signature operation for PCT (hashing +
+ * asymmetric operation). */
+ gcry_sexp_t r_sig = NULL;
+ gcry_sexp_t s_skey = NULL;
+ gcry_sexp_t s_pkey = NULL;
+ gcry_sexp_t s_hash = NULL;
+ gcry_mpi_t s_sig_mpi = NULL;
+ gcry_md_hd_t hd = NULL;
+ unsigned char *buf = NULL;
+ size_t buflen;
+ mpi_ec_t ctx;
+ int flags = 0;
+
+ if (_gcry_md_open (&hd, GCRY_MD_SHA256, 0))
+ log_debug ("gcry_pk_sign failed: _gcry_md_open\n");
+
+ _gcry_mpi_aprint (GCRYMPI_FMT_STD, &buf, &buflen, test);
+ _gcry_md_write (hd, buf, buflen);
+
+ xfree (buf);
+
+ sexp_build (&s_hash, NULL, "(data (flags rfc6979)(hash-algo sha256))");
+
+ /* Assemble the point Q from affine coordinates by simple
+ * concatenation. */
+ gcry_mpi_t Qx = NULL;
+ gcry_mpi_t Qy = NULL;
+ Qx = mpi_new (0);
+ Qy = mpi_new (0);
+ ctx = _gcry_mpi_ec_p_internal_new (sk->E.model, sk->E.dialect, flags,
+ sk->E.p, sk->E.a, sk->E.b);
+ if (_gcry_mpi_ec_get_affine (Qx, Qy, &(sk->Q), ctx))
+ log_debug ("ecdh: Failed to get affine coordinates for Q\n");
+
+ unsigned char *rawqx, *rawqy;
+ unsigned int rawqxlen, rawqylen;
+ rawqx = _gcry_mpi_get_buffer (Qx, 0, &rawqxlen, NULL);
+ rawqy = _gcry_mpi_get_buffer (Qy, 0, &rawqylen, NULL);
+
+ if (rawqxlen != rawqylen)
+ {
+ // log_debug ("qx and qy size differ: %d != %d\n", rawqxlen, rawqylen);
+ if (rawqxlen < rawqylen)
+ {
+ size_t diff = rawqylen - rawqxlen;
+ unsigned char *zeros = xmalloc (rawqxlen + diff);
+ memset (zeros, 0, rawqxlen + diff);
+ memmove (zeros + diff, rawqx, rawqxlen);
+ xfree (rawqx);
+ rawqx = zeros;
+ rawqxlen += diff;
+ }
+ if (rawqylen < rawqxlen)
+ {
+ size_t diff = rawqxlen - rawqylen;
+ unsigned char *zeros = xmalloc (rawqylen + diff);
+ memset (zeros, 0, rawqylen + diff);
+ memmove (zeros + diff, rawqy, rawqylen);
+ xfree (rawqy);
+ rawqy = zeros;
+ rawqylen += diff;
+ }
+ }
+
+ unsigned char q[1 + rawqxlen + rawqxlen];
+ size_t qlen;
+ memset (&q, 0, sizeof(q));
+ *q = 4;
+ memcpy (q + 1, rawqx, rawqxlen);
+ memcpy (q + 1 + rawqxlen, rawqy, rawqylen);
+ qlen = 1 + rawqxlen + rawqylen;
+
+ _gcry_mpi_release (Qx);
+ _gcry_mpi_release (Qy);
+ xfree (rawqx);
+ xfree (rawqy);
- if (_gcry_ecc_ecdsa_verify (test, &pk, r, s))
+ /* build ECC private key sexp in s_skey */
+ if (sk->E.name)
{
- log_fatal ("ECDSA operation: sign, verify failed\n");
+ if (sexp_build (&s_skey, NULL,
+ "(private-key (ecc (curve %s)(d %m)(q %b)))",
+ sk->E.name, sk->d, qlen, q))
+ log_debug ("ecc: Failed to build sexp for private key.\n");
+ }
+ else
+ {
+ if (sexp_build (&s_skey, NULL,
+ "(private-key"
+ " (ecc (curve %s)(d %m)(p %m)(a %m)(b %m)(n %m)(h %m)(q %b)))",
+ "NIST P-512", sk->d, sk->E.p, sk->E.a, sk->E.b, sk->E.n, sk->E.h,
+ qlen, q))
+ log_debug ("ecc: Failed to build sexp for private key.\n");
+ }
+
+ if (_gcry_pk_sign_md (&r_sig, hd, s_hash, s_skey))
+ {
+ log_debug ("ecc: gcry_pk_sign failed\n");
+ goto leave;
+ }
+
+ /* Check that the signature and the original test differ. */
+ if (_gcry_sexp_extract_param (r_sig, NULL, "s", &s_sig_mpi, NULL))
+ {
+ log_debug ("extracting signature data failed\n");
+ goto leave;
+ }
+
+ if (!mpi_cmp (s_sig_mpi, test))
+ {
+ log_debug ("Signature failed\n");
+ goto leave; /* Signature and test match but should not. */
+ }
+
+ /* verify */
+ /* build public key sexp in s_pkey */
+ if (pk.E.name)
+ {
+ if (sexp_build (&s_pkey, NULL,
+ "(public-key (ecc (curve %s)(q %b)))", pk.E.name, qlen, q))
+ log_debug ("ecc: Failed to build sexp for public key.\n");
+ }
+ else
+ {
+ if (sexp_build (&s_pkey, NULL,
+ "(public-key"
+ " (ecc (curve %s)(p %m)(a %m)(b %m)(n %m)(h %m)(q %b)))",
+ "NIST P-512", pk.E.p, pk.E.a, pk.E.b, pk.E.n, pk.E.h, qlen, q))
+ log_debug ("ecc: Failed to build sexp for private key.\n");
+ }
+
+ _gcry_md_close (hd);
+
+ if (_gcry_md_open (&hd, GCRY_MD_SHA256, 0))
+ log_debug ("gcry_pk_verify failed: _gcry_md_open\n");
+
+ _gcry_mpi_aprint (GCRYMPI_FMT_STD, &buf, &buflen, test);
+ _gcry_md_write (hd, buf, buflen);
+
+ xfree (buf);
+
+ /* verify the signature */
+ if (_gcry_pk_verify_md (r_sig, hd, s_hash, s_pkey))
+ {
+ log_debug ("ecc: gcry_pk_verify failed\n");
+ goto leave; /* Signature does not match. */
}
if (DBG_CIPHER)
log_debug ("ECDSA operation: sign, verify ok.\n");
+ result = 0; /* The test succeeded. */
+
+ leave:
point_free (&pk.Q);
_gcry_ecc_curve_free (&pk.E);
@@ -317,6 +474,16 @@ test_keys (ECC_secret_key *sk, unsigned
mpi_free (out);
mpi_free (c);
mpi_free (test);
+
+ _gcry_sexp_release (r_sig);
+ _gcry_sexp_release (s_skey);
+ _gcry_sexp_release (s_pkey);
+ _gcry_sexp_release (s_hash);
+ _gcry_mpi_release (s_sig_mpi);
+ _gcry_md_close (hd);
+ xfree (ctx);
+
+ return result;
}
Index: libgcrypt-1.8.2/cipher/pubkey.c
===================================================================
--- libgcrypt-1.8.2.orig/cipher/pubkey.c
+++ libgcrypt-1.8.2/cipher/pubkey.c
@@ -390,6 +390,7 @@ calculate_hash (gcry_md_hd_t hd, gcry_se
gcry_err_code_t rc;
const unsigned char *digest;
int algo;
+ const char *flags;
if (!hd)
return 0;
@@ -398,16 +399,21 @@ calculate_hash (gcry_md_hd_t hd, gcry_se
if (rc)
return rc;
+ rc = _gcry_pk_util_get_flags (*s_hash, &flags);
+ if (rc)
+ return rc;
+
digest = _gcry_md_read(hd, algo);
if (!digest)
return GPG_ERR_DIGEST_ALGO;
rc = _gcry_sexp_build (s_hash, NULL,
- "(data (flags pkcs1)(hash %s %b))",
+ "(data (flags %s)(hash %s %b))", flags,
_gcry_md_algo_name(algo),
(int) _gcry_md_get_algo_dlen(algo),
digest);
+ xfree ((void *)flags);
return rc;
}
Index: libgcrypt-1.8.2/cipher/pubkey-internal.h
===================================================================
--- libgcrypt-1.8.2.orig/cipher/pubkey-internal.h
+++ libgcrypt-1.8.2/cipher/pubkey-internal.h
@@ -45,6 +45,8 @@ gcry_err_code_t _gcry_pk_util_data_to_mp
struct pk_encoding_ctx *ctx);
gcry_err_code_t _gcry_pk_util_get_algo (gcry_sexp_t input,
int *algo);
+gcry_err_code_t _gcry_pk_util_get_flags (gcry_sexp_t input,
+ const char **flags);
Index: libgcrypt-1.8.2/cipher/pubkey-util.c
===================================================================
--- libgcrypt-1.8.2.orig/cipher/pubkey-util.c
+++ libgcrypt-1.8.2/cipher/pubkey-util.c
@@ -1120,6 +1120,40 @@ _gcry_pk_util_data_to_mpi (gcry_sexp_t i
return rc;
}
+gcry_err_code_t
+_gcry_pk_util_get_flags (gcry_sexp_t input, const char **flags)
+{
+ gcry_err_code_t rc = 0;
+ gcry_sexp_t ldata, list = NULL;
+
+ ldata = sexp_find_token (input, "data", 0);
+ if (!ldata)
+ {
+ rc = GPG_ERR_INV_OBJ;
+ goto leave;
+ }
+
+ list = sexp_find_token (ldata, "flags", 0);
+ if (!list)
+ {
+ rc = GPG_ERR_INV_OBJ;
+ goto leave;
+ }
+
+ /* FIXME: gets only the first flag */
+ *flags = sexp_nth_string (list, 1);
+ if (!*flags)
+ {
+ rc = GPG_ERR_NO_OBJ;
+ goto leave;
+ }
+
+ leave:
+ sexp_release (ldata);
+ sexp_release (list);
+
+ return rc;
+}
gcry_err_code_t
_gcry_pk_util_get_algo (gcry_sexp_t input, int *algo)

119
libgcrypt-PCT-RSA.patch Normal file
View File

@ -0,0 +1,119 @@
Index: libgcrypt-1.8.2/cipher/rsa.c
===================================================================
--- libgcrypt-1.8.2.orig/cipher/rsa.c
+++ libgcrypt-1.8.2/cipher/rsa.c
@@ -159,27 +159,93 @@ test_keys (RSA_secret_key *sk, unsigned
/* Create another random plaintext as data for signature checking. */
_gcry_mpi_randomize (plaintext, nbits, GCRY_WEAK_RANDOM);
- /* Use the RSA secret function to create a signature of the plaintext. */
- secret (signature, plaintext, sk);
+ /* Use the gcry_pk_sign_md API in order to comply with FIPS 140-2,
+ * which requires full signature operation for PCT (hashing +
+ * asymmetric operation */
+ gcry_sexp_t s_skey = NULL;
+ gcry_sexp_t s_pkey = NULL;
+ gcry_sexp_t r_sig = NULL;
+ gcry_sexp_t s_hash = NULL;
+ gcry_md_hd_t hd = NULL;
+ gcry_mpi_t r_sig_mpi = NULL;
+ unsigned char *buf = NULL;
+ size_t buflen;
- /* Use the RSA public function to verify this signature. */
- public (decr_plaintext, signature, &pk);
- if (mpi_cmp (decr_plaintext, plaintext))
- goto leave; /* Signature does not match. */
-
- /* Modify the signature and check that the signing fails. */
- mpi_add_ui (signature, signature, 1);
- public (decr_plaintext, signature, &pk);
- if (!mpi_cmp (decr_plaintext, plaintext))
- goto leave; /* Signature matches but should not. */
+ if (_gcry_md_open (&hd, GCRY_MD_SHA256, 0))
+ {
+ log_debug ("gcry_pk_sign failed\n");
+ goto leave_hash;
+ }
+
+ _gcry_mpi_aprint (GCRYMPI_FMT_STD, &buf, &buflen, plaintext);
+ _gcry_md_write (hd, buf, buflen);
+
+ xfree (buf);
+
+ /* build RSA private key sexp in s_skey */
+ sexp_build (&s_skey, NULL,
+ "(private-key (rsa(n %m)(e %m)(d %m)(p %m)(q %m)))",
+ sk->n, sk->e, sk->d, sk->p, sk->q);
+ sexp_build (&s_hash, NULL,
+ "(data (flags pkcs1)(hash-algo sha256))");
+
+ if (_gcry_pk_sign_md (&r_sig, hd, s_hash, s_skey))
+ {
+ log_debug ("gcry_pk_sign failed\n");
+ goto leave_hash;
+ }
+
+ /* Check that the signature and the original plaintext differ. */
+ if (_gcry_sexp_extract_param (r_sig, "sig-val!rsa", "s", &r_sig_mpi, NULL))
+ {
+ log_debug ("extracting signature data failed\n");
+ goto leave_hash;
+ }
+
+ if (!mpi_cmp (r_sig_mpi, plaintext))
+ {
+ log_debug ("Signature failed\n");
+ goto leave_hash; /* Signature and plaintext match but should not. */
+ }
+
+ _gcry_sexp_release (s_hash);
+ _gcry_md_close (hd);
+
+ /* build RSA public key sexp in s_pkey */
+ sexp_build (&s_pkey, NULL, "(public-key (rsa(n %m)(e %m)))", pk.n, pk.e);
+ sexp_build (&s_hash, NULL, "(data (flags pkcs1)(hash-algo sha256))");
+
+ if (_gcry_md_open (&hd, GCRY_MD_SHA256, 0))
+ log_debug ("gcry_md_open failed\n");
+
+ _gcry_mpi_aprint (GCRYMPI_FMT_STD, &buf, &buflen, plaintext);
+ _gcry_md_write (hd, buf, buflen);
+
+ xfree (buf);
+
+ /* verify the signature */
+ if (_gcry_pk_verify_md (r_sig, hd, s_hash, s_pkey))
+ {
+ log_debug ("gcry_pk_verify failed\n");
+ goto leave_hash; /* Signature does not match. */
+ }
result = 0; /* All tests succeeded. */
+ leave_hash:
+ _gcry_sexp_release (s_skey);
+ _gcry_sexp_release (s_pkey);
+ _gcry_sexp_release (s_hash);
+ _gcry_sexp_release (r_sig);
+ _gcry_md_close (hd);
+ _gcry_mpi_release (r_sig_mpi);
+
leave:
_gcry_mpi_release (signature);
_gcry_mpi_release (decr_plaintext);
_gcry_mpi_release (ciphertext);
_gcry_mpi_release (plaintext);
+
return result;
}
@@ -1903,7 +1969,7 @@ selftest_encr_2048 (gcry_sexp_t pkey, gc
/* This sexp trickery is to prevent the use of blinding.
* The flag doesn't get inherited by encr, so we have to
* derive a new sexp from the ciphertext */
- char buf[1024];
+ unsigned char buf[1024];
memset(buf, 0, sizeof(buf));
err = _gcry_mpi_print (GCRYMPI_FMT_STD, buf, sizeof buf, NULL, ciphertext);
if (err)

16
libgcrypt-Restore-self-tests-from-constructor.patch Normal file
View File

@ -0,0 +1,16 @@
Index: libgcrypt-1.8.2/src/global.c
===================================================================
--- libgcrypt-1.8.2.orig/src/global.c
+++ libgcrypt-1.8.2/src/global.c
@@ -140,8 +140,9 @@ global_init (void)
/* We always need the FSM lock to be functional. */
_gcry_initialize_fsm_lock ();
- /* Run the self-tests from the constructor. */
- global_init ();
+ /* We run the integrity check at this point. The remaining
+ selftests are run before use of the library by application. */
+ _gcry_fips_run_selftests (0);
}
/* This function is called by the macro fips_is_operational and makes

84
libgcrypt-binary_integrity_in_non-FIPS.patch
View File

@ -1,84 +0,0 @@
Index: libgcrypt-1.8.2/src/fips.c
===================================================================
--- libgcrypt-1.8.2.orig/src/fips.c 2019-03-27 13:15:14.190987624 +0100
+++ libgcrypt-1.8.2/src/fips.c 2019-03-27 13:18:07.047986428 +0100
@@ -115,6 +115,50 @@ _gcry_initialize_fsm_lock (void)
abort ();
}
}
+
+/* Checks whether the library will enter the FIPS mode.
+ Uses the same logic as _gcry_initialize_fips_mode */
+static int
+will_enter_fips (void)
+{
+ /* for convenience, so that a process can run fips-enabled, but
+ not necessarily all of them, enable FIPS mode via environment
+ variable LIBGCRYPT_FORCE_FIPS_MODE. */
+ if (getenv("LIBGCRYPT_FORCE_FIPS_MODE") != NULL)
+ return 1;
+
+ /* For testing the system it is useful to override the system
+ provided detection of the FIPS mode and force FIPS mode using a
+ file. The filename is hardwired so that there won't be any
+ confusion on whether /etc/gcrypt/ or /usr/local/etc/gcrypt/ is
+ actually used. The file itself may be empty. */
+ if ( !access (FIPS_FORCE_FILE, F_OK) )
+ return 1;
+
+ /* Checking based on /proc file properties. */
+ {
+ static const char procfname[] = "/proc/sys/crypto/fips_enabled";
+ FILE *fp;
+
+ fp = fopen (procfname, "r");
+ if (fp)
+ {
+ char line[256];
+
+ if (fgets (line, sizeof line, fp) && atoi (line))
+ {
+ /* System is in fips mode. */
+ fclose (fp);
+ return 1;
+ }
+ fclose (fp);
+ }
+ }
+
+ return 0;
+}
+
+
/* Check whether the OS is in FIPS mode and record that in a module
local variable. If FORCE is passed as true, fips mode will be
@@ -631,10 +675,10 @@ get_library_path(const char *libname, co
/* Run an integrity check on the binary. Returns 0 on success. */
static int
-check_binary_integrity (void)
+check_binary_integrity ()
{
#ifdef ENABLE_HMAC_BINARY_CHECK
- gpg_error_t err;
+ gpg_error_t err = 0;
char libpath[4096];
unsigned char digest[32];
int dlen;
@@ -675,7 +719,14 @@ check_binary_integrity (void)
/* Open the file. */
fp = fopen (fname, "r");
if (!fp)
- err = gpg_error_from_syserror ();
+ {
+ /* Missing checksum is a problem only in FIPS mode.
+ As the integrity check was moved to the POWERON state,
+ we no longer can rely on fips_mode(). Because at the point,
+ the library is not yet initialized. */
+ if (will_enter_fips() || errno != ENOENT)
+ err = gpg_error_from_syserror ();
+ }
else
{
/* A buffer of 64 bytes plus one for a LF and one to

84
libgcrypt-ecc-ecdsa-no-blinding.patch Normal file
View File

@ -0,0 +1,84 @@
Index: libgcrypt-1.8.5/cipher/ecc.c
===================================================================
--- libgcrypt-1.8.5.orig/cipher/ecc.c
+++ libgcrypt-1.8.5/cipher/ecc.c
@@ -2060,11 +2060,11 @@ selftest_sign (gcry_sexp_t pkey, gcry_se
{
/* Sample data from RFC 6979 section A.2.5, hash is of message "sample" */
static const char sample_data[] =
- "(data (flags rfc6979)"
+ "(data (flags rfc6979 no-blinding)"
" (hash sha256 #af2bdbe1aa9b6ec1e2ade1d694f41fc71a831d0268e98915"
/**/ "62113d8a62add1bf#))";
static const char sample_data_bad[] =
- "(data (flags rfc6979)"
+ "(data (flags rfc6979 no-blinding)"
" (hash sha256 #bf2bdbe1aa9b6ec1e2ade1d694f41fc71a831d0268e98915"
/**/ "62113d8a62add1bf#))";
static const char signature_r[] =
Index: libgcrypt-1.8.5/cipher/ecc-ecdsa.c
===================================================================
--- libgcrypt-1.8.5.orig/cipher/ecc-ecdsa.c
+++ libgcrypt-1.8.5/cipher/ecc-ecdsa.c
@@ -52,6 +52,7 @@ _gcry_ecc_ecdsa_sign (gcry_mpi_t input,
mpi_ec_t ctx;
gcry_mpi_t b; /* Random number needed for blinding. */
gcry_mpi_t bi; /* multiplicative inverse of B. */
+ int with_blinding = !(flags & PUBKEY_FLAG_NO_BLINDING);
if (DBG_CIPHER)
log_mpidump ("ecdsa sign hash ", input );
@@ -65,12 +66,15 @@ _gcry_ecc_ecdsa_sign (gcry_mpi_t input,
b = mpi_snew (qbits);
bi = mpi_snew (qbits);
- do
+ if (with_blinding)
{
- _gcry_mpi_randomize (b, qbits, GCRY_WEAK_RANDOM);
- mpi_mod (b, b, skey->E.n);
+ do
+ {
+ _gcry_mpi_randomize (b, qbits, GCRY_WEAK_RANDOM);
+ mpi_mod (b, b, skey->E.n);
+ }
+ while (!mpi_invm (bi, b, skey->E.n));
}
- while (!mpi_invm (bi, b, skey->E.n));
k = NULL;
dr = mpi_alloc (0);
@@ -128,15 +132,26 @@ _gcry_ecc_ecdsa_sign (gcry_mpi_t input,
}
while (!mpi_cmp_ui (r, 0));
- /* Computation of dr, sum, and s are blinded with b. */
- mpi_mulm (dr, b, skey->d, skey->E.n);
- mpi_mulm (dr, dr, r, skey->E.n); /* dr = d*r mod n */
- mpi_mulm (sum, b, hash, skey->E.n);
- mpi_addm (sum, sum, dr, skey->E.n); /* sum = hash + (d*r) mod n */
+ if (!with_blinding)
+ {
+ mpi_mulm (dr, skey->d, r, skey->E.n); /* dr = d*r mod n */
+ mpi_addm (sum, hash, dr, skey->E.n); /* sum = hash + (d*r) mod n */
+ }
+ else
+ {
+ /* Computation of dr, sum, and s are blinded with b. */
+ mpi_mulm (dr, b, skey->d, skey->E.n);
+ mpi_mulm (dr, dr, r, skey->E.n); /* dr = d*r mod n */
+ mpi_mulm (sum, b, hash, skey->E.n);
+ mpi_addm (sum, sum, dr, skey->E.n); /* sum = hash + (d*r) mod n */
+ }
mpi_invm (k_1, k, skey->E.n); /* k_1 = k^(-1) mod n */
mpi_mulm (s, k_1, sum, skey->E.n); /* s = k^(-1)*(hash+(d*r)) mod n */
- /* Undo blinding by b^-1 */
- mpi_mulm (s, bi, s, skey->E.n);
+ if (with_blinding)
+ {
+ /* Undo blinding by b^-1 */
+ mpi_mulm (s, bi, s, skey->E.n);
+ }
}
while (!mpi_cmp_ui (s, 0));

40
libgcrypt-fips_selftest_trigger_file.patch Normal file
View File

@ -0,0 +1,40 @@
Index: libgcrypt-1.8.2/src/fips.c
===================================================================
--- libgcrypt-1.8.2.orig/src/fips.c 2020-04-16 21:15:01.633217969 +0200
+++ libgcrypt-1.8.2/src/fips.c 2020-04-16 21:21:44.279376166 +0200
@@ -651,7 +651,7 @@ get_library_path(const char *libname, co
}
static gpg_error_t
-get_hmac_path(char **fname)
+get_hmac_path(char **fname, char *suffix)
{
char libpath[4096];
gpg_error_t err;
@@ -676,7 +676,7 @@ get_hmac_path(char **fname)
p = *fname;
memmove (p+1, p, strlen (p)+1);
*p = '.';
- strcat (*fname, ".hmac");
+ strcat (*fname, suffix);
err = 0;
}
}
@@ -708,7 +708,7 @@ check_binary_integrity (void)
else
{
FILE *fp;
- err = get_hmac_path(&fname);
+ err = get_hmac_path(&fname, ".hmac");
if (!err)
{
/* Open the file. */
@@ -769,7 +769,7 @@ can_skip_selftests(void)
if (fips_mode())
return 0;
- if (get_hmac_path(&fname))
+ if (get_hmac_path(&fname, ".fips"))
return 0;
/* check the hmac presence */

270
libgcrypt-global_init-constructor.patch Normal file
View File

@ -0,0 +1,270 @@
Index: libgcrypt-1.8.2/src/global.c
===================================================================
--- libgcrypt-1.8.2.orig/src/global.c 2020-04-16 21:13:28.252717330 +0200
+++ libgcrypt-1.8.2/src/global.c 2020-04-16 21:13:47.960822991 +0200
@@ -86,7 +86,7 @@ static gpg_err_code_t external_lock_test
likely to be called at startup. The suggested way for an
application to make sure that this has been called is by using
gcry_check_version. */
-static void
+static void __attribute__((constructor))
global_init (void)
{
gcry_error_t err = 0;
@@ -134,6 +134,16 @@ global_init (void)
if (err)
goto fail;
+ int no_secmem_save;
+ /* it should be always 0 at this point but let's keep on the safe side */
+ no_secmem_save = no_secure_memory;
+ no_secure_memory = 1;
+ err = _gcry_fips_run_selftests (0);
+ no_secure_memory = no_secmem_save;
+
+ if (err)
+ goto fail;
+
return;
fail:
@@ -141,16 +151,6 @@ global_init (void)
}
-void __attribute__ ((constructor)) _gcry_global_constructor (void)
-{
- /* We always need the FSM lock to be functional. */
- _gcry_initialize_fsm_lock ();
-
- /* We run the integrity check at this point. The remaining
- selftests are run before use of the library by application. */
- _gcry_fips_run_selftests (0);
-}
-
/* This function is called by the macro fips_is_operational and makes
sure that the minimal initialization has been done. This is far
from a perfect solution and hides problems with an improper
Index: libgcrypt-1.8.2/src/fips.c
===================================================================
--- libgcrypt-1.8.2.orig/src/fips.c 2020-04-16 21:13:28.252717330 +0200
+++ libgcrypt-1.8.2/src/fips.c 2020-04-16 21:14:44.781127616 +0200
@@ -125,6 +125,7 @@ void
_gcry_initialize_fips_mode (int force)
{
static int done;
+ gpg_error_t err;
/* Make sure we are not accidentally called twice. */
if (done)
@@ -214,6 +215,23 @@ _gcry_initialize_fips_mode (int force)
/* Yes, we are in FIPS mode. */
FILE *fp;
+ /* Intitialize the lock to protect the FSM. */
+ err = gpgrt_lock_init (&fsm_lock);
+ if (err)
+ {
+ /* If that fails we can't do anything but abort the
+ process. We need to use log_info so that the FSM won't
+ get involved. */
+ log_info ("FATAL: failed to create the FSM lock in libgcrypt: %s\n",
+ gpg_strerror (err));
+#ifdef HAVE_SYSLOG
+ syslog (LOG_USER|LOG_ERR, "Libgcrypt error: "
+ "creating FSM lock failed: %s - abort",
+ gpg_strerror (err));
+#endif /*HAVE_SYSLOG*/
+ abort ();
+ }
+
/* If the FIPS force files exists, is readable and has a number
!= 0 on its first line, we enable the enforced fips mode. */
fp = fopen (FIPS_FORCE_FILE, "r");
@@ -614,10 +632,10 @@ get_library_path(const char *libname, co
void *dl, *sym;
int rv = -1;
- dl = dlopen(libname, RTLD_LAZY);
- if (dl == NULL) {
- return -1;
- }
+ dl = dlopen(libname, RTLD_LAZY);
+ if (dl == NULL) {
+ return -1;
+ }
sym = dlsym(dl, symbolname);
@@ -632,6 +650,39 @@ get_library_path(const char *libname, co
return rv;
}
+static gpg_error_t
+get_hmac_path(char **fname)
+{
+ char libpath[4096];
+ gpg_error_t err;
+
+ if (get_library_path ("libgcrypt.so.20", "gcry_check_version", libpath, sizeof(libpath)))
+ err = gpg_error_from_syserror ();
+ else
+ {
+ *fname = _gcry_malloc (strlen (libpath) + 1 + 5 + 1 );
+ if (!*fname)
+ err = gpg_error_from_syserror ();
+ else
+ {
+ char *p;
+
+ /* Prefix the basename with a dot. */
+ strcpy (*fname, libpath);
+ p = strrchr (*fname, '/');
+ if (p)
+ p++;
+ else
+ p = *fname;
+ memmove (p+1, p, strlen (p)+1);
+ *p = '.';
+ strcat (*fname, ".hmac");
+ err = 0;
+ }
+ }
+ return err;
+}
+
/* Run an integrity check on the binary. Returns 0 on success. */
static int
check_binary_integrity (void)
@@ -656,25 +707,10 @@ check_binary_integrity (void)
err = gpg_error (GPG_ERR_INTERNAL);
else
{
- fname = xtrymalloc (strlen (libpath) + 1 + 5 + 1 );
- if (!fname)
- err = gpg_error_from_syserror ();
- else
- {
- FILE *fp;
- char *p;
-
- /* Prefix the basename with a dot. */
- strcpy (fname, libpath);
- p = strrchr (fname, '/');
- if (p)
- p++;
- else
- p = fname;
- memmove (p+1, p, strlen (p)+1);
- *p = '.';
- strcat (fname, ".hmac");
-
+ FILE *fp;
+ err = get_hmac_path(&fname);
+ if (!err)
+ {
/* Open the file. */
fp = fopen (fname, "r");
if (!fp)
@@ -725,6 +761,33 @@ check_binary_integrity (void)
#endif
}
+int
+can_skip_selftests(void)
+{
+ char *fname = NULL;
+ int ret = 0;
+
+ if (fips_mode())
+ return 0;
+
+ if (get_hmac_path(&fname))
+ return 0;
+
+ /* check the hmac presence */
+ if (access(fname, F_OK))
+ /* no hmac file is present, don't run the tests */
+ if (errno == ENOENT)
+ ret = 1;
+ /* otherwise one of these events happened:
+ * access() returned 0
+ * -> run the tests
+ * some error other than ENOENT occurred
+ * -> run the tests anyway and let them fail
+ */
+
+ xfree(fname);
+ return ret;
+}
/* Run the self-tests. If EXTENDED is true, extended versions of the
selftest are run, that is more tests than required by FIPS. */
@@ -733,26 +795,13 @@ _gcry_fips_run_selftests (int extended)
{
enum module_states result = STATE_ERROR;
gcry_err_code_t ec = GPG_ERR_SELFTEST_FAILED;
- int in_poweron;
- lock_fsm ();
- in_poweron = (current_state == STATE_POWERON);
- unlock_fsm ();
-
- fips_new_state (STATE_SELFTEST);
-
- /* We first check the integrity of the binary.
- If run from the constructor we are in POWERON state,
- we return and finish the remaining selftests before
- real use of the library. It will be in the POWERON
- state meanwhile. */
- if (in_poweron)
- if (check_binary_integrity ())
- goto leave;
-
- if (in_poweron)
+ if (can_skip_selftests())
return 0;
+ if (fips_mode ())
+ fips_new_state (STATE_SELFTEST);
+
if (run_cipher_selftests (extended))
goto leave;
@@ -762,6 +811,9 @@ _gcry_fips_run_selftests (int extended)
if (run_mac_selftests (extended))
goto leave;
+ if (check_binary_integrity ())
+ goto leave;
+
/* Run random tests before the pubkey tests because the latter
require random. */
if (run_random_selftests ())
@@ -775,7 +827,8 @@ _gcry_fips_run_selftests (int extended)
ec = 0;
leave:
- fips_new_state (result);
+ if (fips_mode ())
+ fips_new_state (result);
return ec;
}
@@ -831,7 +884,6 @@ fips_new_state (enum module_states new_s
{
case STATE_POWERON:
if (new_state == STATE_INIT
- || new_state == STATE_SELFTEST
|| new_state == STATE_ERROR
|| new_state == STATE_FATALERROR)
ok = 1;
@@ -846,8 +898,6 @@ fips_new_state (enum module_states new_s
case STATE_SELFTEST:
if (new_state == STATE_OPERATIONAL
- || new_state == STATE_INIT
- || new_state == STATE_SELFTEST
|| new_state == STATE_ERROR
|| new_state == STATE_FATALERROR)
ok = 1;

14
libgcrypt-invoke-global_init-from-constructor.patch Normal file
View File

@ -0,0 +1,14 @@
Index: libgcrypt-1.8.2/src/global.c
===================================================================
--- libgcrypt-1.8.2.orig/src/global.c
+++ libgcrypt-1.8.2/src/global.c
@@ -145,6 +145,9 @@ void __attribute__ ((constructor)) _gcry
{
/* We always need the FSM lock to be functional. */
_gcry_initialize_fsm_lock ();
+
+ /* Run the self-tests from the constructor. */
+ global_init ();
}
/* This function is called by the macro fips_is_operational and makes

15
libgcrypt-random_selftests-testentropy.patch Normal file
View File

@ -0,0 +1,15 @@
Index: libgcrypt-1.8.2/random/random-drbg.c
===================================================================
--- libgcrypt-1.8.2.orig/random/random-drbg.c
+++ libgcrypt-1.8.2/random/random-drbg.c
@@ -2428,6 +2428,10 @@ drbg_healthcheck_sanity (struct gcry_drb
/* if the following tests fail, it is likely that there is a buffer
* overflow and we get a SIGSEV */
+ test_data.testentropy = &testentropy;
+ test_data.fail_seed_source = 0;
+ drbg_string_fill (&testentropy, test->entropy, test->entropylen);
+ drbg->test_data = &test_data;
ret = drbg_instantiate (drbg, NULL, coreref, 1);
if (ret)
goto outbuf;

92
libgcrypt-rsa-no-blinding.patch Normal file
View File

@ -0,0 +1,92 @@
--- libgcrypt-1.8.2.orig/cipher/rsa.c 2020-03-26 07:23:17.392861551 +0100
+++ libgcrypt-1.8.2.orig/cipher/rsa.c 2020-03-26 15:43:29.556282072 +0100
@@ -91,10 +91,16 @@ static const char sample_secret_key[] =
" 79C974A6FA69E4D52FE796650623DE70622862713932AA2FD9F2EC856EAEAA77"
" 88B4EA6084DC81C902F014829B18EA8B2666EC41586818E0589E18876065F97E"
" 8D22CE2DA53A05951EC132DCEF41E70A9C35F4ACC268FFAC2ADF54FA1DA110B919#)"
+"))";
+/* We need to get rid of the u value, in order to end in
+ * secret_core_std when called from secret. It's not used anyway. */
+
+/*
" (u #67CF0FD7635205DD80FA814EE9E9C267C17376BF3209FB5D1BC42890D2822A04"
" 479DAF4D5B6ED69D0F8D1AF94164D07F8CD52ECEFE880641FA0F41DDAB1785E4"
" A37A32F997A516480B4CD4F6482B9466A1765093ED95023CA32D5EDC1E34CEE9"
" AF595BC51FE43C4BF810FA225AF697FB473B83815966188A4312C048B885E3F7#)))";
+*/
/* A sample 2048 bit RSA key used for the selftests (public only). */
static const char sample_public_key[] =
@@ -1252,8 +1258,8 @@ rsa_check_secret_key (gcry_sexp_t keypar
RSA_secret_key sk = {NULL, NULL, NULL, NULL, NULL, NULL};
/* To check the key we need the optional parameters. */
- rc = sexp_extract_param (keyparms, NULL, "nedpqu",
- &sk.n, &sk.e, &sk.d, &sk.p, &sk.q, &sk.u,
+ rc = sexp_extract_param (keyparms, NULL, "npq",
+ &sk.n, &sk.p, &sk.q,
NULL);
if (rc)
goto leave;
@@ -1263,11 +1269,8 @@ rsa_check_secret_key (gcry_sexp_t keypar
leave:
_gcry_mpi_release (sk.n);
- _gcry_mpi_release (sk.e);
- _gcry_mpi_release (sk.d);
_gcry_mpi_release (sk.p);
_gcry_mpi_release (sk.q);
- _gcry_mpi_release (sk.u);
if (DBG_CIPHER)
log_debug ("rsa_testkey => %s\n", gpg_strerror (rc));
return rc;
@@ -1710,11 +1713,11 @@ static const char *
selftest_sign_2048 (gcry_sexp_t pkey, gcry_sexp_t skey)
{
static const char sample_data[] =
- "(data (flags pkcs1)"
+ "(data (flags pkcs1 no-blinding)"
" (hash sha256 #11223344556677889900aabbccddeeff"
/**/ "102030405060708090a0b0c0d0f01121#))";
static const char sample_data_bad[] =
- "(data (flags pkcs1)"
+ "(data (flags pkcs1 no-blinding)"
" (hash sha256 #11223344556677889900aabbccddeeff"
/**/ "802030405060708090a0b0c0d0f01121#))";
@@ -1857,7 +1860,7 @@ selftest_encr_2048 (gcry_sexp_t pkey, gc
gcry_mpi_t ref_mpi = NULL;
/* Put the plaintext into an S-expression. */
- err = sexp_build (&plain, NULL, "(data (flags raw) (value %s))", plaintext);
+ err = sexp_build (&plain, NULL, "(data (flags raw no-blinding) (value %s))", plaintext);
if (err)
{
errtxt = "converting data failed";
@@ -1897,6 +1900,26 @@ selftest_encr_2048 (gcry_sexp_t pkey, gc
goto leave;
}
+ /* This sexp trickery is to prevent the use of blinding.
+ * The flag doesn't get inherited by encr, so we have to
+ * derive a new sexp from the ciphertext */
+ char buf[1024];
+ memset(buf, 0, sizeof(buf));
+ err = _gcry_mpi_print (GCRYMPI_FMT_STD, buf, sizeof buf, NULL, ciphertext);
+ if (err)
+ {
+ errtxt = "Dumping ciphertext mpi to buffer failed";
+ goto leave;
+ }
+
+ sexp_release (encr);
+ err = sexp_build (&encr, NULL, "(enc-val (flags no-blinding) (rsa (a %s)))", buf);
+ if (err)
+ {
+ errtxt = "Adding no-blinding flag to ciphertext failed";
+ goto leave;
+ }
+
/* Decrypt. */
err = _gcry_pk_decrypt (&decr, encr, skey);
if (err)

70
libgcrypt.changes
View File

@ -1,3 +1,73 @@
-------------------------------------------------------------------
Mon Apr 27 08:55:12 UTC 2020 - Pedro Monreal Gonzalez <pmonrealgonzalez@suse.com>
- FIPS: libgcrypt: Double free in test_keys() on failed signature
verification [bsc#1169944]
* Use safer gcry_mpi_release() instead of mpi_free()
- Update patches:
* libgcrypt-PCT-DSA.patch
* libgcrypt-PCT-RSA.patch
* libgcrypt-PCT-ECC.patch
-------------------------------------------------------------------
Thu Apr 16 16:45:23 UTC 2020 - Vítězslav Čížek <vcizek@suse.com>
- Ship the FIPS checksum file in the shared library package and
create a separate trigger file for the FIPS selftests (bsc#1169569)
* add libgcrypt-fips_selftest_trigger_file.patch
* refresh libgcrypt-global_init-constructor.patch
- Remove libgcrypt-binary_integrity_in_non-FIPS.patch obsoleted
by libgcrypt-global_init-constructor.patch
-------------------------------------------------------------------
Wed Apr 15 13:55:27 UTC 2020 - Pedro Monreal Gonzalez <pmonrealgonzalez@suse.com>
- FIPS: Verify that the generated signature and the original input
differ in test_keys function for RSA, DSA and ECC: [bsc#1165539]
- Add zero-padding when qx and qy have different lengths when
assembling the Q point from affine coordinates.
- Refreshed patches:
* libgcrypt-PCT-DSA.patch
* libgcrypt-PCT-RSA.patch
* libgcrypt-PCT-ECC.patch
-------------------------------------------------------------------
Mon Mar 30 10:48:02 UTC 2020 - Pedro Monreal Gonzalez <pmonrealgonzalez@suse.com>
- FIPS: Switch the PCT to use the new signature operation [bsc#1165539]
* Patches for DSA, RSA and ECDSA test_keys functions:
- libgcrypt-PCT-DSA.patch
- libgcrypt-PCT-RSA.patch
- libgcrypt-PCT-ECC.patch
- Update patch: libgcrypt-FIPS-RSA-DSA-ECDSA-hashing-operation.patch
-------------------------------------------------------------------
Thu Mar 26 18:09:47 UTC 2020 - Pedro Monreal Gonzalez <pmonrealgonzalez@suse.com>
- FIPS: Run self-tests from constructor during power-on [bsc#1166748]
* Set up global_init as the constructor function:
- libgcrypt-global_init-constructor.patch
* Relax the entropy requirements on selftest. This is especially
important for virtual machines to boot properly before the RNG
is available:
- libgcrypt-random_selftests-testentropy.patch
- libgcrypt-rsa-no-blinding.patch
- libgcrypt-ecc-ecdsa-no-blinding.patch
* Fix benchmark regression test in FIPS mode:
- libgcrypt-FIPS-GMAC_AES-benckmark.patch
-------------------------------------------------------------------
Thu Mar 12 16:54:33 UTC 2020 - Pedro Monreal Gonzalez <pmonrealgonzalez@suse.com>
- Remove check not needed in _gcry_global_constructor [bsc#1164950]
* Update libgcrypt-Restore-self-tests-from-constructor.patch
-------------------------------------------------------------------
Tue Feb 25 22:13:24 UTC 2020 - Pedro Monreal Gonzalez <pmonrealgonzalez@suse.com>
- FIPS: Run the self-tests from the constructor [bsc#1164950]
* Add libgcrypt-invoke-global_init-from-constructor.patch
-------------------------------------------------------------------
Fri Jan 17 17:35:15 UTC 2020 - Pedro Monreal Gonzalez <pmonrealgonzalez@suse.com>

28
libgcrypt.spec
View File

@ -18,7 +18,8 @@
%define build_hmac256 1
%define separate_hmac256_binary 0
%define libsoname %{name}20
%define libsover 20
%define libsoname %{name}%{libsover}
%define cavs_dir %{_libexecdir}/%{name}/cavs
Name: libgcrypt
Version: 1.8.5
@ -55,7 +56,6 @@ Patch35: libgcrypt-fipsdrv-enable-algo-for-dsa-sign.patch
#PATCH-FIX-UPSTREAM bsc#1064455 fipsdrv patch to enable --algo for dsa-verify
Patch36: libgcrypt-fipsdrv-enable-algo-for-dsa-verify.patch
Patch39: libgcrypt-1.8.3-fips-ctor.patch
Patch41: libgcrypt-binary_integrity_in_non-FIPS.patch
Patch42: libgcrypt-fips_rsa_no_enforced_mode.patch
Patch43: libgcrypt-1.8.4-use_xfree.patch
Patch44: libgcrypt-1.8.4-allow_FSM_same_state.patch
@ -75,6 +75,20 @@ Patch52: libgcrypt-fix-tests-fipsmode.patch
Patch53: libgcrypt-FIPS-RSA-DSA-ECDSA-hashing-operation.patch
#PATCH-FIX-SUSE bsc#1161220 FIPS: libgcrypt RSA siggen/keygen: 4k not supported
Patch54: libgcrypt-1.8.4-fips-keygen.patch
#PATCH-FIX-SUSE bsc#1164950 Run self-tests from the constructor
Patch55: libgcrypt-invoke-global_init-from-constructor.patch
#PATCH-FIX-SUSE bsc#1164950 Restore the self-tests from the constructor
Patch56: libgcrypt-Restore-self-tests-from-constructor.patch
Patch57: libgcrypt-FIPS-GMAC_AES-benckmark.patch
Patch58: libgcrypt-global_init-constructor.patch
Patch59: libgcrypt-random_selftests-testentropy.patch
Patch60: libgcrypt-rsa-no-blinding.patch
Patch61: libgcrypt-ecc-ecdsa-no-blinding.patch
#PATCH-FIX-SUSE bsc#1165539 FIPS: Use the new signature operation in PCT
Patch62: libgcrypt-PCT-RSA.patch
Patch63: libgcrypt-PCT-DSA.patch
Patch64: libgcrypt-PCT-ECC.patch
Patch65: libgcrypt-fips_selftest_trigger_file.patch
BuildRequires: automake >= 1.14
BuildRequires: fipscheck
BuildRequires: libgpg-error-devel >= 1.25
@ -205,6 +219,11 @@ install -m 0755 %{SOURCE6} %{buildroot}%{cavs_dir}
mv %{buildroot}%{_bindir}/fipsdrv %{buildroot}%{cavs_dir}
mv %{buildroot}%{_bindir}/drbg_test %{buildroot}%{cavs_dir}
# create the FIPS "module is complete" trigger file
%if 0%{?build_hmac256}
touch %{buildroot}/%{_libdir}/.%{name}.so.%{libsover}.fips
%endif
%post -n %{libsoname} -p /sbin/ldconfig
%postun -n %{libsoname} -p /sbin/ldconfig
%post devel
@ -216,10 +235,13 @@ mv %{buildroot}%{_bindir}/drbg_test %{buildroot}%{cavs_dir}
%files -n %{libsoname}
%license COPYING.LIB
%{_libdir}/%{name}.so.*
%if 0%{?build_hmac256}
%{_libdir}/.libgcrypt.so.*.hmac
%endif # %%if 0%%{?build_hmac256}
%files -n %{libsoname}-hmac
%if 0%{?build_hmac256}
%{_libdir}/.libgcrypt.so.*.hmac
%{_libdir}/.libgcrypt.so.*.fips
%endif # %%if 0%%{?build_hmac256}
%files devel