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Diffstat (limited to 'src/tools/curve25519.h')
-rw-r--r-- | src/tools/curve25519.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/tools/curve25519.h b/src/tools/curve25519.h new file mode 100644 index 0000000..3c1404a --- /dev/null +++ b/src/tools/curve25519.h @@ -0,0 +1,22 @@ +/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */ + +#ifndef CURVE25519_H +#define CURVE25519_H + +#include <stdint.h> +#include <sys/types.h> + +enum curve25519_lengths { + CURVE25519_POINT_SIZE = 32, +}; + +void curve25519(uint8_t *mypublic, const uint8_t *secret, const uint8_t *basepoint); +void curve25519_generate_public(uint8_t *pub, const uint8_t *secret); +static inline void curve25519_normalize_secret(uint8_t secret[CURVE25519_POINT_SIZE]) +{ + secret[0] &= 248; + secret[31] &= 127; + secret[31] |= 64; +} + +#endif |