Expose the ed25519 API #61
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sodium_init() will return 0 on success, -1 on failure, and 1 if sodium is already loaded and initialized (which is not an error). In the case where libsodium is already initialized and the system is restarted we may return 1 from onload nif function resulting in a crash. - change the call to sodium_init() to check for an error return (-1) and return -1 explicitly in this case, otherwise always return zero at the end of our onload function.
Fix NIF-load issue on init:restart
Merge upstream
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on Darwin allow platform to decide arch
This adds a low-level APIs to perform computations over the edwards25519 curve, only useful to implement custom constructions. Exposed functions: crypto_ed25519_scalarmult/2, crypto_ed25519_scalarmult_base/1, crypto_ed25519_scalarmult_noclamp/2, crypto_ed25519_scalarmult_base_noclamp/1, crypto_ed25519_add/2, crypto_ed25519_sub/2, crypto_ed25519_is_valid_point/1, crypto_ed25519_scalar_reduce/1, crypto_ed25519_scalar_negate/1, crypto_ed25519_scalar_add/2, crypto_ed25519_scalar_sub/2, crypto_ed25519_scalar_mul/2
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This adds a low-level APIs to perform computations over the edwards25519
curve, only useful to implement custom constructions.
Exposed functions:
crypto_ed25519_scalarmult/2,
crypto_ed25519_scalarmult_base/1,
crypto_ed25519_scalarmult_noclamp/2,
crypto_ed25519_scalarmult_base_noclamp/1,
crypto_ed25519_add/2,
crypto_ed25519_sub/2,
crypto_ed25519_is_valid_point/1,
crypto_ed25519_scalar_reduce/1,
crypto_ed25519_scalar_negate/1,
crypto_ed25519_scalar_add/2,
crypto_ed25519_scalar_sub/2,
crypto_ed25519_scalar_mul/2