7 #include <valgrind/memcheck.h> 12 #ifdef ENABLE_MODULE_ECDH 16 #ifdef ENABLE_MODULE_RECOVERY 20 #ifdef ENABLE_MODULE_EXTRAKEYS 24 #ifdef ENABLE_MODULE_SCHNORRSIG 33 size_t outputlen = 33;
36 unsigned char msg[32];
37 unsigned char key[32];
38 unsigned char sig[74];
39 unsigned char spubkey[33];
40 #ifdef ENABLE_MODULE_RECOVERY 44 #ifdef ENABLE_MODULE_EXTRAKEYS 48 if (!RUNNING_ON_VALGRIND) {
49 fprintf(stderr,
"This test can only usefully be run inside valgrind.\n");
50 fprintf(stderr,
"Usage: libtool --mode=execute valgrind ./valgrind_ctime_test\n");
57 for (i = 0; i < 32; i++) {
60 for (i = 0; i < 32; i++) {
69 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
72 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
77 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
80 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
84 #ifdef ENABLE_MODULE_ECDH 86 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
88 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
92 #ifdef ENABLE_MODULE_RECOVERY 94 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
96 VALGRIND_MAKE_MEM_DEFINED(&recoverable_signature,
sizeof(recoverable_signature));
97 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
100 CHECK(recid >= 0 && recid <= 3);
103 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
105 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
108 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
110 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
113 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
114 VALGRIND_MAKE_MEM_UNDEFINED(msg, 32);
116 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
119 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
120 VALGRIND_MAKE_MEM_UNDEFINED(msg, 32);
122 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
126 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
128 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
132 #ifdef ENABLE_MODULE_EXTRAKEYS 133 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
135 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
139 VALGRIND_MAKE_MEM_DEFINED(msg, 32);
141 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
145 #ifdef ENABLE_MODULE_SCHNORRSIG 146 VALGRIND_MAKE_MEM_UNDEFINED(key, 32);
148 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
151 VALGRIND_MAKE_MEM_DEFINED(&ret,
sizeof(ret));
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_context_randomize(secp256k1_context *ctx, const unsigned char *seed32) SECP256K1_ARG_NONNULL(1)
Updates the context randomization to protect against side-channel leakage.
Opaque data structured that holds a parsed ECDSA signature, supporting pubkey recovery.
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_negate(const secp256k1_context *ctx, unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2)
Negates a secret key in place.
SECP256K1_API int secp256k1_ec_pubkey_serialize(const secp256k1_context *ctx, unsigned char *output, size_t *outputlen, const secp256k1_pubkey *pubkey, unsigned int flags) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Serialize a pubkey object into a serialized byte sequence.
#define SECP256K1_CONTEXT_SIGN
SECP256K1_API void secp256k1_context_destroy(secp256k1_context *ctx)
Destroy a secp256k1 context object (created in dynamically allocated memory).
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_pubkey_create(const secp256k1_context *ctx, secp256k1_pubkey *pubkey, const unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Compute the public key for a secret key.
#define SECP256K1_EC_COMPRESSED
Flag to pass to secp256k1_ec_pubkey_serialize.
#define SECP256K1_CONTEXT_DECLASSIFY
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_verify(const secp256k1_context *ctx, const unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2)
Verify an ECDSA secret key.
static secp256k1_context * ctx
SECP256K1_API int secp256k1_ecdsa_sign(const secp256k1_context *ctx, secp256k1_ecdsa_signature *sig, const unsigned char *msg32, const unsigned char *seckey, secp256k1_nonce_function noncefp, const void *ndata) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Create an ECDSA signature.
SECP256K1_API int secp256k1_ecdsa_sign_recoverable(const secp256k1_context *ctx, secp256k1_ecdsa_recoverable_signature *sig, const unsigned char *msg32, const unsigned char *seckey, secp256k1_nonce_function noncefp, const void *ndata) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Create a recoverable ECDSA signature.
Opaque data structured that holds a parsed ECDSA signature.
SECP256K1_API int secp256k1_ecdsa_recoverable_signature_serialize_compact(const secp256k1_context *ctx, unsigned char *output64, int *recid, const secp256k1_ecdsa_recoverable_signature *sig) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Serialize an ECDSA signature in compact format (64 bytes + recovery id).
Opaque data structure that holds a keypair consisting of a secret and a public key.
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_tweak_mul(const secp256k1_context *ctx, unsigned char *seckey, const unsigned char *tweak) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Tweak a secret key by multiplying it by a tweak.
#define SECP256K1_CONTEXT_VERIFY
Flags to pass to secp256k1_context_create, secp256k1_context_preallocated_size, and secp256k1_context...
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdh(const secp256k1_context *ctx, unsigned char *output, const secp256k1_pubkey *pubkey, const unsigned char *seckey, secp256k1_ecdh_hash_function hashfp, void *data) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Compute an EC Diffie-Hellman secret in constant time.
SECP256K1_API int secp256k1_ecdsa_signature_serialize_der(const secp256k1_context *ctx, unsigned char *output, size_t *outputlen, const secp256k1_ecdsa_signature *sig) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Serialize an ECDSA signature in DER format.
SECP256K1_API int secp256k1_schnorrsig_sign(const secp256k1_context *ctx, unsigned char *sig64, const unsigned char *msg32, const secp256k1_keypair *keypair, secp256k1_nonce_function_hardened noncefp, void *ndata) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4)
Create a Schnorr signature.
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_ec_seckey_tweak_add(const secp256k1_context *ctx, unsigned char *seckey, const unsigned char *tweak) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Tweak a secret key by adding tweak to it.
SECP256K1_API secp256k1_context * secp256k1_context_create(unsigned int flags) SECP256K1_WARN_UNUSED_RESULT
Create a secp256k1 context object (in dynamically allocated memory).
Opaque data structure that holds a parsed and valid public key.