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Squashed 'src/secp256k1/' changes from b0210a9..bccaf86

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bccaf86 Merge pull request #150
2a53a47 Merge pull request #151
5f5a31f Merge pull request #149
3907277 Merge pull request #142
a3e0611 Enable tests in x86 travis builds
45da235 x86 builder
8bb0e93 Merge pull request #155
971fe81 build: fix openssl detection for cross builds
f22d73e Explicitly access %0..%2 as 64-bit so we use the right registers for x32 ABI
e66d4d6 Avoid the stack in assembly and use explicit registers
cf7b2b4 Fix ECDSA message hashes to 32 bytes
056ad31 Really compile with -O3 by default
74ad63a Merge pull request #146
9000458 Merge pull request #145
1f46b00 build: fix __builtin_expect detection for clang
aaba2e0 Merge pull request #136
8a0775c Merge pull request #144
ee1eaa7 Merge pull request #141
c88e2b8 Compile with -O3 by default
6558a26 Make the benchmarks print out stats
000bdf6 Rename bench_verify to bench_recovery
7c6fed2 Add a few more additional tests.
992e03b travis: add clang to the test matrix
b43b79a Merge pull request #143
e06a924 Include time.h header for time().
8d11164 Add some additional tests.
3545627 Merge pull request #118
6a9901e Merge pull request #137
376b28b Merge pull request #128
1728806 Merge pull request #138
a5759c5 Check return value of malloc
39bd94d Variable time normalize
ad86bdf Merge pull request #140
54b768c Another redundant secp256k1_fe_normalize
69dcaab Merge pull request #139
1c29f2e Remove redundant secp256k1_fe_normalize from secp256k1_gej_add_ge_var.
2b9388b Remove unused secp256k1_fe_inv_all
f461b76 Allocate precomputation arrays on the heap
b2c9681 Make {mul,sqr}_inner use the same argument order as {mul,sqr}
6793505 Convert YASM code into inline assembly
f048615 Rewrite field assembly to match the C version
3ce74b1 Tweak precomputed table size for G

git-subtree-dir: src/secp256k1
git-subtree-split: bccaf86caa9c44166e5a66600b742c516e03c3f0
This commit is contained in:
Pieter Wuille
2014-12-11 01:58:25 +01:00
parent 87bddb7a3a
commit ecae2acb06
29 changed files with 1206 additions and 853 deletions
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32
include/secp256k1.h
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@@ -62,8 +62,7 @@ void secp256k1_stop(void);
* 0: incorrect signature
* -1: invalid public key
* -2: invalid signature
* In: msg: the message being verified (cannot be NULL)
* msglen: the length of the message (at most 32)
* In: msg32: the 32-byte message hash being verified (cannot be NULL)
* sig: the signature being verified (cannot be NULL)
* siglen: the length of the signature
* pubkey: the public key to verify with (cannot be NULL)
@@ -71,19 +70,17 @@ void secp256k1_stop(void);
* Requires starting using SECP256K1_START_VERIFY.
*/
SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_verify(
const unsigned char *msg,
int msglen,
const unsigned char *msg32,
const unsigned char *sig,
int siglen,
const unsigned char *pubkey,
int pubkeylen
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(5);
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(4);
/** Create an ECDSA signature.
* Returns: 1: signature created
* 0: nonce invalid, try another one
* In: msg: the message being signed (cannot be NULL)
* msglen: the length of the message being signed (at most 32)
* In: msg32: the 32-byte message hash being signed (cannot be NULL)
* seckey: pointer to a 32-byte secret key (cannot be NULL, assumed to be valid)
* nonce: pointer to a 32-byte nonce (cannot be NULL, generated with a cryptographic PRNG)
* Out: sig: pointer to an array where the signature will be placed (cannot be NULL)
@@ -92,19 +89,17 @@ SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_verify(
* Requires starting using SECP256K1_START_SIGN.
*/
SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_sign(
const unsigned char *msg,
int msglen,
const unsigned char *msg32,
unsigned char *sig,
int *siglen,
const unsigned char *seckey,
const unsigned char *nonce
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4) SECP256K1_ARG_NONNULL(5) SECP256K1_ARG_NONNULL(6);
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4) SECP256K1_ARG_NONNULL(5);
/** Create a compact ECDSA signature (64 byte + recovery id).
* Returns: 1: signature created
* 0: nonce invalid, try another one
* In: msg: the message being signed (cannot be NULL)
* msglen: the length of the message being signed (at most 32)
* In: msg32: the 32-byte message hash being signed (cannot be NULL)
* seckey: pointer to a 32-byte secret key (cannot be NULL, assumed to be valid)
* nonce: pointer to a 32-byte nonce (cannot be NULL, generated with a cryptographic PRNG)
* Out: sig: pointer to a 64-byte array where the signature will be placed (cannot be NULL)
@@ -112,19 +107,17 @@ SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_sign(
* Requires starting using SECP256K1_START_SIGN.
*/
SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_sign_compact(
const unsigned char *msg,
int msglen,
const unsigned char *msg32,
unsigned char *sig64,
const unsigned char *seckey,
const unsigned char *nonce,
int *recid
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4) SECP256K1_ARG_NONNULL(5);
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
/** Recover an ECDSA public key from a compact signature.
* Returns: 1: public key successfully recovered (which guarantees a correct signature).
* 0: otherwise.
* In: msg: the message assumed to be signed (cannot be NULL)
* msglen: the length of the message (at most 32)
* In: msg32: the 32-byte message hash assumed to be signed (cannot be NULL)
* sig64: signature as 64 byte array (cannot be NULL)
* compressed: whether to recover a compressed or uncompressed pubkey
* recid: the recovery id (0-3, as returned by ecdsa_sign_compact)
@@ -133,14 +126,13 @@ SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_sign_compact(
* Requires starting using SECP256K1_START_VERIFY.
*/
SECP256K1_WARN_UNUSED_RESULT int secp256k1_ecdsa_recover_compact(
const unsigned char *msg,
int msglen,
const unsigned char *msg32,
const unsigned char *sig64,
unsigned char *pubkey,
int *pubkeylen,
int compressed,
int recid
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4) SECP256K1_ARG_NONNULL(5);
) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4);
/** Verify an ECDSA secret key.
* Returns: 1: secret key is valid