arno/trezor-firmware
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use explicit_bzero where possible; update trezor-crypto

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This commit is contained in:
Pavol Rusnak 2018-01-16 20:44:03 +01:00
parent 1357ba7202
commit ea116d742a
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
14 changed files with 20 additions and 19 deletions
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3
embed/extmod/modtrezorcrypto/modtrezorcrypto-aes.h
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@ -145,7 +145,8 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorcrypto_AES_update_obj, mod_trezorcryp
STATIC mp_obj_t mod_trezorcrypto_AES___del__(mp_obj_t self) {
mp_obj_AES_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(aes_encrypt_ctx));
explicit_bzero(&(o->ctx), sizeof(aes_encrypt_ctx));
explicit_bzero(o->iv, AES_BLOCK_SIZE);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_AES___del___obj, mod_trezorcrypto_AES___del__);

10
embed/extmod/modtrezorcrypto/modtrezorcrypto-bip32.h
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@ -93,17 +93,17 @@ STATIC mp_obj_t mod_trezorcrypto_HDNode_make_new(const mp_obj_type_t *type, size
if (NULL != chain_code.buf && 32 == chain_code.len) {
memcpy(o->hdnode.chain_code, chain_code.buf, 32);
} else {
memset(o->hdnode.chain_code, 0, 32);
explicit_bzero(o->hdnode.chain_code, 32);
}
if (NULL != private_key.buf && 32 == private_key.len) {
memcpy(o->hdnode.private_key, private_key.buf, 32);
} else {
memset(o->hdnode.private_key, 0, 32);
explicit_bzero(o->hdnode.private_key, 32);
}
if (NULL != public_key.buf && 33 == public_key.len) {
memcpy(o->hdnode.public_key, public_key.buf, 33);
} else {
memset(o->hdnode.public_key, 0, 33);
explicit_bzero(o->hdnode.public_key, 33);
}
o->hdnode.curve = curve;
@ -120,7 +120,7 @@ STATIC mp_obj_t mod_trezorcrypto_HDNode_derive(mp_obj_t self, mp_obj_t index) {
uint32_t fp = hdnode_fingerprint(&o->hdnode);
if (!hdnode_private_ckd(&o->hdnode, i)) {
memset(&o->hdnode, 0, sizeof(o->hdnode));
explicit_bzero(&o->hdnode, sizeof(o->hdnode));
mp_raise_ValueError("Failed to derive");
}
o->fingerprint = fp;
@ -157,7 +157,7 @@ STATIC mp_obj_t mod_trezorcrypto_HDNode_derive_path(mp_obj_t self, mp_obj_t path
if (!hdnode_private_ckd_cached(&o->hdnode, pints, plen, &o->fingerprint)) {
// derivation failed, reset the state and raise
o->fingerprint = 0;
memset(&o->hdnode, 0, sizeof(o->hdnode));
explicit_bzero(&o->hdnode, sizeof(o->hdnode));
mp_raise_ValueError("Failed to derive path");
}

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-blake256.h
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@ -68,7 +68,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Blake256_digest_obj, mod_trezo
STATIC mp_obj_t mod_trezorcrypto_Blake256___del__(mp_obj_t self) {
mp_obj_Blake256_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(BLAKE256_CTX));
explicit_bzero(&(o->ctx), sizeof(BLAKE256_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Blake256___del___obj, mod_trezorcrypto_Blake256___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-blake2b.h
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@ -75,7 +75,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Blake2b_digest_obj, mod_trezor
STATIC mp_obj_t mod_trezorcrypto_Blake2b___del__(mp_obj_t self) {
mp_obj_Blake2b_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(BLAKE2B_CTX));
explicit_bzero(&(o->ctx), sizeof(BLAKE2B_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Blake2b___del___obj, mod_trezorcrypto_Blake2b___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-blake2s.h
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@ -75,7 +75,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Blake2s_digest_obj, mod_trezor
STATIC mp_obj_t mod_trezorcrypto_Blake2s___del__(mp_obj_t self) {
mp_obj_Blake2s_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(BLAKE2S_CTX));
explicit_bzero(&(o->ctx), sizeof(BLAKE2S_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Blake2s___del___obj, mod_trezorcrypto_Blake2s___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-chacha20poly1305.h
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@ -105,7 +105,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_ChaCha20Poly1305_finish_obj, m
STATIC mp_obj_t mod_trezorcrypto_ChaCha20Poly1305___del__(mp_obj_t self) {
mp_obj_ChaCha20Poly1305_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(chacha20poly1305_ctx));
explicit_bzero(&(o->ctx), sizeof(chacha20poly1305_ctx));
o->alen = 0;
o->plen = 0;
return mp_const_none;

4
embed/extmod/modtrezorcrypto/modtrezorcrypto-pbkdf2.h
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@ -111,8 +111,8 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Pbkdf2_key_obj, mod_trezorcryp
STATIC mp_obj_t mod_trezorcrypto_Pbkdf2___del__(mp_obj_t self) {
mp_obj_Pbkdf2_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx256), 0, sizeof(PBKDF2_HMAC_SHA256_CTX));
memset(&(o->ctx512), 0, sizeof(PBKDF2_HMAC_SHA512_CTX));
explicit_bzero(&(o->ctx256), sizeof(PBKDF2_HMAC_SHA256_CTX));
explicit_bzero(&(o->ctx512), sizeof(PBKDF2_HMAC_SHA512_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Pbkdf2___del___obj, mod_trezorcrypto_Pbkdf2___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-ripemd160.h
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@ -68,7 +68,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Ripemd160_digest_obj, mod_trez
STATIC mp_obj_t mod_trezorcrypto_Ripemd160___del__(mp_obj_t self) {
mp_obj_Ripemd160_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(RIPEMD160_CTX));
explicit_bzero(&(o->ctx), sizeof(RIPEMD160_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Ripemd160___del___obj, mod_trezorcrypto_Ripemd160___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-sha1.h
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@ -68,7 +68,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha1_digest_obj, mod_trezorcry
STATIC mp_obj_t mod_trezorcrypto_Sha1___del__(mp_obj_t self) {
mp_obj_Sha1_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(SHA1_CTX));
explicit_bzero(&(o->ctx), sizeof(SHA1_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha1___del___obj, mod_trezorcrypto_Sha1___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-sha256.h
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@ -68,7 +68,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha256_digest_obj, mod_trezorc
STATIC mp_obj_t mod_trezorcrypto_Sha256___del__(mp_obj_t self) {
mp_obj_Sha256_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(SHA256_CTX));
explicit_bzero(&(o->ctx), sizeof(SHA256_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha256___del___obj, mod_trezorcrypto_Sha256___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-sha3-256.h
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@ -72,7 +72,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorcrypto_Sha3_256_digest_obj,
STATIC mp_obj_t mod_trezorcrypto_Sha3_256___del__(mp_obj_t self) {
mp_obj_Sha3_256_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(SHA3_CTX));
explicit_bzero(&(o->ctx), sizeof(SHA3_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha3_256___del___obj, mod_trezorcrypto_Sha3_256___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-sha3-512.h
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@ -72,7 +72,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorcrypto_Sha3_512_digest_obj,
STATIC mp_obj_t mod_trezorcrypto_Sha3_512___del__(mp_obj_t self) {
mp_obj_Sha3_512_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(SHA3_CTX));
explicit_bzero(&(o->ctx), sizeof(SHA3_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha3_512___del___obj, mod_trezorcrypto_Sha3_512___del__);

2
embed/extmod/modtrezorcrypto/modtrezorcrypto-sha512.h
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@ -67,7 +67,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha512_digest_obj, mod_trezorc
STATIC mp_obj_t mod_trezorcrypto_Sha512___del__(mp_obj_t self) {
mp_obj_Sha512_t *o = MP_OBJ_TO_PTR(self);
memset(&(o->ctx), 0, sizeof(SHA512_CTX));
explicit_bzero(&(o->ctx), sizeof(SHA512_CTX));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_Sha512___del___obj, mod_trezorcrypto_Sha512___del__);

2
vendor/trezor-crypto vendored

@ -1 +1 @@
Subproject commit 0d8a3beeaf22af837f558a5b5e9ae98cdd47a767
Subproject commit b7f73ee3ff78e09c266a30dbc31407558d471615