def crypto_sign(message, sk):
"""
Signs the message ``message`` using the secret key ``sk`` and returns the
signed message.
:param message: bytes
:param sk: bytes
:rtype: bytes
"""
signed = ffi.new("unsigned char[]", len(message) + crypto_sign_BYTES)
signed_len = ffi.new("unsigned long long *")
rc = lib.crypto_sign(signed, signed_len, message, len(message), sk)
ensure(rc == 0, 'Unexpected library error', raising=exc.RuntimeError)
return ffi.buffer(signed, signed_len[0])[:]
def crypto_sign(message, sk):
"""
Signs the message ``message`` using the secret key ``sk`` and returns the
signed message.
:param message: bytes
:param sk: bytes
:rtype: bytes
"""
signed = ffi.new("unsigned char[]", len(message) + crypto_sign_BYTES)
signed_len = ffi.new("unsigned long long *")
rc = lib.crypto_sign(signed, signed_len, message, len(message), sk)
assert rc == 0
return ffi.buffer(signed, signed_len[0])[:]
def crypto_sign(message, sk):
"""
Signs the message ``message`` using the secret key ``sk`` and returns the
signed message.
:param message: bytes
:param sk: bytes
:rtype: bytes
"""
signed = ffi.new("unsigned char[]", len(message) + crypto_sign_BYTES)
signed_len = ffi.new("unsigned long long *")
rc = lib.crypto_sign(signed, signed_len, message, len(message), sk)
assert rc == 0
return ffi.buffer(signed, signed_len[0])[:]
def crypto_sign(message, sk):
"""
Signs the message ``message`` using the secret key ``sk`` and returns the
signed message.
:param message: bytes
:param sk: bytes
:rtype: bytes
"""
signed = ffi.new("unsigned char[]", len(message) + crypto_sign_BYTES)
signed_len = ffi.new("unsigned long long *")
rc = lib.crypto_sign(signed, signed_len, message, len(message), sk)
ensure(rc == 0,
'Unexpected library error',
raising=exc.RuntimeError)
return ffi.buffer(signed, signed_len[0])[:]