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 = lib.ffi.new("unsigned char[]", len(message) + crypto_sign_BYTES)
signed_len = lib.ffi.new("unsigned long long *")
if lib.crypto_sign(signed, signed_len, message, len(message), sk) != 0:
raise CryptoError("Failed to sign the message")
return lib.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 = lib.ffi.new("unsigned char[]", len(message) + crypto_sign_BYTES)
signed_len = lib.ffi.new("unsigned long long *")
rc = lib.crypto_sign(signed, signed_len, message, len(message), sk)
assert rc == 0
return lib.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 = lib.ffi.new("unsigned char[]", len(message) + crypto_sign_BYTES)
signed_len = lib.ffi.new("unsigned long long *")
if lib.crypto_sign(signed, signed_len, message, len(message), sk) != 0:
raise CryptoError("Failed to sign the message")
return lib.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 = lib.ffi.new("unsigned char[]", len(message) + crypto_sign_BYTES)
signed_len = lib.ffi.new("unsigned long long *")
rc = lib.crypto_sign(signed, signed_len, message, len(message), sk)
assert rc == 0
return lib.ffi.buffer(signed, signed_len[0])[:]
