turn some buffers into TLS

diff --git a/d0_bignum-gmp.c b/d0_bignum-gmp.c
index d59f735009fb262bee270647e4fe13f9f16be4ac..535370454463f931a1be8a97b69bd517cfb68bfb 100644 (file)
--- a/d0_bignum-gmp.c
+++ b/d0_bignum-gmp.c
@@ -133,7 +133,7 @@ void d0_bignum_SHUTDOWN(void)
 
 D0_BOOL d0_iobuf_write_bignum(d0_iobuf_t *buf, const d0_bignum_t *bignum)
 {
-       static unsigned char numbuf[65536]; // FIXME make threadsafe
+       static __thread unsigned char numbuf[65536];
        size_t count = 0;
        numbuf[0] = mpz_sgn(bignum->z) & 3;
        if((numbuf[0] & 3) != 0) // nonzero
@@ -148,7 +148,7 @@ D0_BOOL d0_iobuf_write_bignum(d0_iobuf_t *buf, const d0_bignum_t *bignum)
 
 d0_bignum_t *d0_iobuf_read_bignum(d0_iobuf_t *buf, d0_bignum_t *bignum)
 {
-       static unsigned char numbuf[65536]; // FIXME make threadsafe
+       static __thread unsigned char numbuf[65536];
        size_t count = sizeof(numbuf);
        if(!d0_iobuf_read_packet(buf, numbuf, &count))
                return NULL;

diff --git a/d0_bignum-openssl.c b/d0_bignum-openssl.c
index 1d92c32898763bfd91511f496e6da1ae179ae74b..c5b2b65d33b08e3f0c52679d80348c8be50a1681 100644 (file)
--- a/d0_bignum-openssl.c
+++ b/d0_bignum-openssl.c
@@ -79,7 +79,7 @@ void d0_bignum_SHUTDOWN(void)
 
 D0_BOOL d0_iobuf_write_bignum(d0_iobuf_t *buf, const d0_bignum_t *bignum)
 {
-       static unsigned char numbuf[65536]; // FIXME make threadsafe
+       static __thread unsigned char numbuf[65536];
        size_t count = 0;
        numbuf[0] = BN_is_zero(&bignum->z) ? 0 : BN_is_negative(&bignum->z) ? 3 : 1;
        if((numbuf[0] & 3) != 0) // nonzero
@@ -94,7 +94,7 @@ D0_BOOL d0_iobuf_write_bignum(d0_iobuf_t *buf, const d0_bignum_t *bignum)
 
 d0_bignum_t *d0_iobuf_read_bignum(d0_iobuf_t *buf, d0_bignum_t *bignum)
 {
-       static unsigned char numbuf[65536]; // FIXME make threadsafe
+       static __thread unsigned char numbuf[65536];
        size_t count = sizeof(numbuf);
        if(!d0_iobuf_read_packet(buf, numbuf, &count))
                return NULL;

diff --git a/d0_bignum-tommath.c b/d0_bignum-tommath.c
index b3230fd6d4e422b7b47908ef4cb73523b010467f..b2a39134dcf83be6421e7a261b2e598f7a3a6694 100644 (file)
--- a/d0_bignum-tommath.c
+++ b/d0_bignum-tommath.c
@@ -123,7 +123,7 @@ void d0_bignum_SHUTDOWN(void)
 
 D0_BOOL d0_iobuf_write_bignum(d0_iobuf_t *buf, const d0_bignum_t *bignum)
 {
-       static unsigned char numbuf[65536]; // FIXME make threadsafe
+       static __thread unsigned char numbuf[65536];
        size_t count = 0;
        numbuf[0] = (mp_iszero(&bignum->z) ? 0 : (bignum->z.sign == MP_ZPOS) ? 1 : 3);
        if((numbuf[0] & 3) != 0) // nonzero
@@ -138,7 +138,7 @@ D0_BOOL d0_iobuf_write_bignum(d0_iobuf_t *buf, const d0_bignum_t *bignum)
 
 d0_bignum_t *d0_iobuf_read_bignum(d0_iobuf_t *buf, d0_bignum_t *bignum)
 {
-       static unsigned char numbuf[65536]; // FIXME make threadsafe
+       static __thread unsigned char numbuf[65536];
        size_t count = sizeof(numbuf);
        if(!d0_iobuf_read_packet(buf, numbuf, &count))
                return NULL;
@@ -425,7 +425,7 @@ d0_bignum_t *d0_bignum_gcd(d0_bignum_t *r, d0_bignum_t *s, d0_bignum_t *t, const
 
 char *d0_bignum_tostring(const d0_bignum_t *x, unsigned int base)
 {
-       static char str[65536]; // FIXME make threadsafe
+       static __thread char str[65536];
        mp_toradix_n((mp_int *) &x->z, str, base, sizeof(str));
        return str;
 }

diff --git a/d0_blind_id.c b/d0_blind_id.c
index fd32cdb75b7b7c0af0125edc5e2c949d2216be7e..1920cdc1af9ff4c3e50d8df3cdcb074fc7034db9 100644 (file)
--- a/d0_blind_id.c
+++ b/d0_blind_id.c
@@ -317,7 +317,7 @@ D0_WARN_UNUSED_RESULT D0_BOOL d0_longhash_destructive(unsigned char *convbuf, si
 
 D0_WARN_UNUSED_RESULT D0_BOOL d0_longhash_bignum(const d0_bignum_t *in, unsigned char *outbuf, size_t outbuflen)
 {
-       unsigned char convbuf[1024];
+       static __thread unsigned char convbuf[1024];
        size_t sz;
 
        CHECK(d0_bignum_export_unsigned(in, convbuf, sizeof(convbuf)) >= 0);
@@ -464,7 +464,7 @@ fail:
 D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_fingerprint64_public_key(const d0_blind_id_t *ctx, char *outbuf, size_t *outbuflen)
 {
        d0_iobuf_t *out = NULL;
-       unsigned char convbuf[2048];
+       static __thread unsigned char convbuf[2048];
        d0_iobuf_t *conv = NULL;
        size_t sz, n;
 
@@ -554,7 +554,7 @@ fail:
 D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_generate_private_id_request(d0_blind_id_t *ctx, char *outbuf, size_t *outbuflen)
 {
        d0_iobuf_t *out = NULL;
-       unsigned char shabuf[2048];
+       static __thread unsigned char shabuf[2048];
        size_t sz;
 
        // temps: temp0 rsa_blind_signature_camouflage^challenge, temp1 (4^s)*rsa_blind_signature_camouflage^challenge
@@ -743,7 +743,7 @@ D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_authenticate_with_private_id_start(d0_
 //   1. get random r, send HASH(4^r)
 {
        d0_iobuf_t *out = NULL;
-       unsigned char convbuf[1024];
+       static __thread unsigned char convbuf[1024];
        d0_iobuf_t *conv = NULL;
        size_t sz = 0;
        D0_BOOL failed = 0;
@@ -816,7 +816,7 @@ D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_authenticate_with_private_id_challenge
 {
        d0_iobuf_t *in = NULL;
        d0_iobuf_t *out = NULL;
-       unsigned char shabuf[2048];
+       static __thread unsigned char shabuf[2048];
        size_t sz;
 
        // temps: temp0 order, temp0 signature check
@@ -961,7 +961,7 @@ D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_authenticate_with_private_id_verify(d0
 //      (check using H(g^r) which we know)
 {
        d0_iobuf_t *in = NULL;
-       unsigned char convbuf[1024];
+       static __thread unsigned char convbuf[1024];
        d0_iobuf_t *conv = NULL;
        size_t sz;
 
@@ -1028,7 +1028,7 @@ fail:
 D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_authenticate_with_private_id_generate_missing_signature(d0_blind_id_t *ctx)
 {
        size_t sz;
-       unsigned char shabuf[2048];
+       static __thread unsigned char shabuf[2048];
 
        REPLACING(schnorr_H_g_to_s_signature);
        USING(schnorr_g_to_s); USING(rsa_d); USING(rsa_n);
@@ -1054,7 +1054,7 @@ D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_sign_with_private_id_sign_internal(d0_
 {
        d0_iobuf_t *out = NULL;
        unsigned char *convbuf = NULL;
-       unsigned char shabuf[2048];
+       static __thread unsigned char shabuf[2048];
        d0_iobuf_t *conv = NULL;
        size_t sz = 0;
 
@@ -1128,7 +1128,7 @@ D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_sign_with_private_id_verify_internal(d
        d0_iobuf_t *in = NULL;
        d0_iobuf_t *conv = NULL;
        unsigned char *convbuf = NULL;
-       unsigned char shabuf[2048];
+       static __thread unsigned char shabuf[2048];
        size_t sz;
 
        if(is_first)
@@ -1240,7 +1240,7 @@ D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_sign_with_private_id_verify_detached(d
 D0_WARN_UNUSED_RESULT D0_BOOL d0_blind_id_fingerprint64_public_id(const d0_blind_id_t *ctx, char *outbuf, size_t *outbuflen)
 {
        d0_iobuf_t *out = NULL;
-       unsigned char convbuf[1024];
+       static __thread unsigned char convbuf[1024];
        d0_iobuf_t *conv = NULL;
        size_t sz, n;