我们从Python开源项目中，提取了以下18个代码示例，用于说明如何使用rsa.key()。
def private_to_public(): '''Reads a private key and outputs the corresponding public key.''' # Parse the CLI options parser = OptionParser(usage='usage: %prog [options]', description='Reads a private key and outputs the ' 'corresponding public key. Both private and public keys use ' 'the format described in PKCS#1 v1.5') parser.add_option('-i', '--input', dest='infilename', type='string', help='Input filename. Reads from stdin if not specified') parser.add_option('-o', '--output', dest='outfilename', type='string', help='Output filename. Writes to stdout of not specified') parser.add_option('--inform', dest='inform', help='key format of input - default PEM', choices=('PEM', 'DER'), default='PEM') parser.add_option('--outform', dest='outform', help='key format of output - default PEM', choices=('PEM', 'DER'), default='PEM') (cli, cli_args) = parser.parse_args(sys.argv) # Read the input data if cli.infilename: print('Reading private key from %s in %s format' % \ (cli.infilename, cli.inform), file=sys.stderr) with open(cli.infilename, 'rb') as infile: in_data = infile.read() else: print('Reading private key from stdin in %s format' % cli.inform, file=sys.stderr) in_data = sys.stdin.read().encode('ascii') assert type(in_data) == bytes, type(in_data) # Take the public fields and create a public key priv_key = rsa.key.PrivateKey.load_pkcs1(in_data, cli.inform) pub_key = rsa.key.PublicKey(priv_key.n, priv_key.e) # Save to the output file out_data = pub_key.save_pkcs1(cli.outform) if cli.outfilename: print('Writing public key to %s in %s format' % \ (cli.outfilename, cli.outform), file=sys.stderr) with open(cli.outfilename, 'wb') as outfile: outfile.write(out_data) else: print('Writing public key to stdout in %s format' % cli.outform, file=sys.stderr) sys.stdout.write(out_data.decode('ascii'))
def private_to_public(): """Reads a private key and outputs the corresponding public key.""" # Parse the CLI options parser = OptionParser(usage='usage: %prog [options]', description='Reads a private key and outputs the ' 'corresponding public key. Both private and public keys use ' 'the format described in PKCS#1 v1.5') parser.add_option('-i', '--input', dest='infilename', type='string', help='Input filename. Reads from stdin if not specified') parser.add_option('-o', '--output', dest='outfilename', type='string', help='Output filename. Writes to stdout of not specified') parser.add_option('--inform', dest='inform', help='key format of input - default PEM', choices=('PEM', 'DER'), default='PEM') parser.add_option('--outform', dest='outform', help='key format of output - default PEM', choices=('PEM', 'DER'), default='PEM') (cli, cli_args) = parser.parse_args(sys.argv) # Read the input data if cli.infilename: print('Reading private key from %s in %s format' % (cli.infilename, cli.inform), file=sys.stderr) with open(cli.infilename, 'rb') as infile: in_data = infile.read() else: print('Reading private key from stdin in %s format' % cli.inform, file=sys.stderr) in_data = sys.stdin.read().encode('ascii') assert type(in_data) == bytes, type(in_data) # Take the public fields and create a public key priv_key = rsa.key.PrivateKey.load_pkcs1(in_data, cli.inform) pub_key = rsa.key.PublicKey(priv_key.n, priv_key.e) # Save to the output file out_data = pub_key.save_pkcs1(cli.outform) if cli.outfilename: print('Writing public key to %s in %s format' % (cli.outfilename, cli.outform), file=sys.stderr) with open(cli.outfilename, 'wb') as outfile: outfile.write(out_data) else: print('Writing public key to stdout in %s format' % cli.outform, file=sys.stderr) sys.stdout.write(out_data.decode('ascii'))
