def sign_rsassa_pss(self, digest, algo='sha1', salt_length=20):
"""
Signs a digest with the private key using RSASSA-PSS
@requires: OpenSSL 0.9.7h or later.
@type digest: str
@param digest: A digest created by using the digest method
@type salt_length: int
@param salt_length: The length of the salt to use
@type algo: str
@param algo: The hash algorithm to use
@return: a string which is the signature
"""
hash = getattr(m2, algo, None)
if hash is None:
raise ValueError('not such hash algorithm %s' % algo)
signature = m2.rsa_padding_add_pkcs1_pss(self.rsa, digest, hash(),
salt_length)
return self.private_encrypt(signature, m2.no_padding)
def sign_rsassa_pss(self, digest, algo='sha1', salt_length=20):
"""
Signs a digest with the private key using RSASSA-PSS
@requires: OpenSSL 0.9.7h or later.
@type digest: str
@param digest: A digest created by using the digest method
@type salt_length: int
@param salt_length: The length of the salt to use
@type algo: str
@param algo: The hash algorithm to use
@return: a string which is the signature
"""
hash = getattr(m2, algo, None)
if hash is None:
raise ValueError('not such hash algorithm %s' % algo)
signature = m2.rsa_padding_add_pkcs1_pss(self.rsa, digest, hash(),
salt_length)
return self.private_encrypt(signature, m2.no_padding)
def sign_rsassa_pss(self, digest, algo='sha1', salt_length=20):
# type: (bytes, str, int) -> bytes
"""
Signs a digest with the private key using RSASSA-PSS
@param digest: A digest created by using the digest method
@param salt_length: The length of the salt to use
@param algo: The hash algorithm to use
Legal values like 'sha1','sha224', 'sha256', 'ripemd160',
and 'md5'.
@return: a string which is the signature
"""
hash = getattr(m2, algo, None)
if hash is None:
raise RSAError('not such hash algorithm %s' % algo)
signature = m2.rsa_padding_add_pkcs1_pss(self.rsa, digest, hash(), salt_length)
return self.private_encrypt(signature, m2.no_padding)
def sign_rsassa_pss(self, digest, algo='sha1', salt_length=20):
# type: (bytes, str, int) -> bytes
"""
Signs a digest with the private key using RSASSA-PSS
:param digest: A digest created by using the digest method
:param salt_length: The length of the salt to use
:param algo: The hash algorithm to use
Legal values like 'sha1','sha224', 'sha256',
'ripemd160', and 'md5'.
:return: a string which is the signature
"""
hash = getattr(m2, algo, None)
if hash is None:
raise RSAError('not such hash algorithm %s' % algo)
signature = m2.rsa_padding_add_pkcs1_pss(self.rsa, digest, hash(), salt_length)
return self.private_encrypt(signature, m2.no_padding)