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docs and changed to void functions

This commit is contained in:
Orson Peters 2013-01-22 11:31:58 +01:00
parent 4ee64c0560
commit 440f4a06a4
5 changed files with 10 additions and 14 deletions
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ed25519.dll
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12
readme.md
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@ -1,8 +1,8 @@
Ed25519 Ed25519
------- -------
This is a portable implementation of [Ed25519](http://ed25519.cr.yp.to/). All This is a portable implementation of [Ed25519](http://ed25519.cr.yp.to/) based
code is in the public domain. on the SUPERCOP "ref10" implementation. All code is in the public domain.
All code is pure ANSI C without any dependencies, except for the random seed All code is pure ANSI C without any dependencies, except for the random seed
generation which uses standard OS cryptography APIs. If you wish to be generation which uses standard OS cryptography APIs. If you wish to be
@ -35,20 +35,20 @@ API
Creates a 32 byte random seed in `seed` for key generation. `seed` must be a Creates a 32 byte random seed in `seed` for key generation. `seed` must be a
writable 32 byte buffer. Returns 0 on success, and nonzero on failure. writable 32 byte buffer. Returns 0 on success, and nonzero on failure.
int ed25519_create_keypair(unsigned char *verify_key, unsigned char *sign_key, const unsigned char *seed); void ed25519_create_keypair(unsigned char *verify_key, unsigned char *sign_key, const unsigned char *seed);
Creates a new key pair from the given seed. `verify_key` must be a writable 32 Creates a new key pair from the given seed. `verify_key` must be a writable 32
byte buffer, `sign_key` must be a writable 64 byte buffer and `seed` must be a byte buffer, `sign_key` must be a writable 64 byte buffer and `seed` must be a
32 byte buffer. Returns 0 on success, and nonzero on failure. 32 byte buffer.
int ed25519_sign(unsigned char *signature, void ed25519_sign(unsigned char *signature,
const unsigned char *message, size_t message_len, const unsigned char *message, size_t message_len,
const unsigned char *sign_key); const unsigned char *sign_key);
Creates a signature of the given message with `sign_key`. `signature` must be Creates a signature of the given message with `sign_key`. `signature` must be
a writable 64 byte buffer. `message` must have at least `message_len` bytes to a writable 64 byte buffer. `message` must have at least `message_len` bytes to
be read. `sign_key` must be a 64 byte signing key generated by be read. `sign_key` must be a 64 byte signing key generated by
`ed25519_create_keypair`. Returns 0 on success, and nonzero on failure. `ed25519_create_keypair`.
int ed25519_verify(const unsigned char *signature, int ed25519_verify(const unsigned char *signature,
const unsigned char *message, size_t message_len, const unsigned char *message, size_t message_len,

4
src/ed25519.h
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@ -24,8 +24,8 @@ extern "C" {
int ED25519_DECLSPEC ed25519_create_seed(unsigned char *seed); int ED25519_DECLSPEC ed25519_create_seed(unsigned char *seed);
#endif #endif
int ED25519_DECLSPEC ed25519_create_keypair(unsigned char *verify_key, unsigned char *sign_key, const unsigned char *seed); void ED25519_DECLSPEC ed25519_create_keypair(unsigned char *verify_key, unsigned char *sign_key, const unsigned char *seed);
int ED25519_DECLSPEC ed25519_sign(unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *sign_key); void ED25519_DECLSPEC ed25519_sign(unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *sign_key);
int ED25519_DECLSPEC ed25519_verify(const unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *verify_key); int ED25519_DECLSPEC ed25519_verify(const unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *verify_key);

4
src/keypair.c
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@ -3,7 +3,7 @@
#include "ge.h" #include "ge.h"
int ed25519_create_keypair(unsigned char *verify_key, unsigned char *sign_key, const unsigned char *seed) { void ed25519_create_keypair(unsigned char *verify_key, unsigned char *sign_key, const unsigned char *seed) {
unsigned char h[64]; unsigned char h[64];
ge_p3 A; ge_p3 A;
int i; int i;
@ -23,6 +23,4 @@ int ed25519_create_keypair(unsigned char *verify_key, unsigned char *sign_key, c
for (i = 0; i < 32; ++i) { for (i = 0; i < 32; ++i) {
sign_key[32 + i] = verify_key[i]; sign_key[32 + i] = verify_key[i];
} }
return 0;
} }

4
src/sign.c
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@ -4,7 +4,7 @@
#include "sc.h" #include "sc.h"
int ed25519_sign(unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *sign_key) { void ed25519_sign(unsigned char *signature, const unsigned char *message, size_t message_len, const unsigned char *sign_key) {
unsigned char az[64]; unsigned char az[64];
unsigned char r[64]; unsigned char r[64];
unsigned char hram[64]; unsigned char hram[64];
@ -33,6 +33,4 @@ int ed25519_sign(unsigned char *signature, const unsigned char *message, size_t
sc_reduce(hram); sc_reduce(hram);
sc_muladd(signature + 32, hram, az, r); sc_muladd(signature + 32, hram, az, r);
return 0;
} }