Password generation with key and derivation parameter

1. A non-transitory machine-readable medium comprising executable instructions to:

receive a user input string for generating an application password for a particular application;

generate a key for the particular application;

specify derivation parameters for the application password, including instructions to:

select a hash function from a set of hash functions through an indiscriminate selection process;

determine a hashing iteration value through the indiscriminate selection process; and

select a character set through the indiscriminate selection process;

generate the application password using the key and the derivation parameters; and

send the key and the derivation parameters for remote storage by:

sending the key to a first remote device; and

sending the derivation parameters to a second remote device different from the first remote device.

2. The non-transitory machine-readable medium of claim 1 , wherein the executable instructions are to generate the application password using the key and the derivation parameters by:

applying the hash function to the key and user input string to obtain a hash value according to the hashing iteration value; and

mapping a portion of the hash value as character codes of the character set selected through the indiscriminate selection process to obtain the application password.

3. The non-transitory machine-readable medium of claim 2 , wherein the executable instructions are further to determine that the application password does not satisfy a password requirement of the particular application, and in response:

generate a different key, different derivation parameters, or both; and

generate another application password using the different key, the different derivation parameters, or both.

4. A method comprising:

receiving a user input string; and

generating an application password for a particular application from the user input string by:

generating a key for the particular application;

specifying a derivation parameter of the application password by applying an indiscriminate selection process to select a character set from multiple character sets for generating the application password; and

mapping a portion of a hash value of the key and the user input string to characters of the character set selected through the indiscriminate selection process to obtain the application password;

obtaining a password length value; and

wherein mapping the portion of the hash value comprises mapping a number of characters of the character set equal to the password length value.

5. The method of claim 4 , further comprising sending the derivation parameter to a first remote device for storage.

6. The method of claim 5 , wherein sending the derivation parameter comprises sending an indication of the character set selected through the indiscriminate selection process to the first remote device.

7. The method of claim 5 , further comprising sending the key for the particular application to a second remote device for storage, the second remote device different from the first remote device.

8. The method of claim 4 , wherein applying the indiscriminate selection process comprises randomly selecting the character set from the multiple character sets.

9. The method of claim 4 , further comprising:

specifying another derivation parameter by applying the indiscriminate selection process to select a hash function from a set of hash functions; and

applying the hash function to the user input string and the key to obtain the hash value.

10. The method of claim 4 , further comprising:

specifying another derivation parameter by applying the indiscriminate selection process to determine a hashing iteration value; and

determining the hash value according to the hashing iteration value determined through the indiscriminate selection process.

11. A non-transitory machine-readable medium comprising executable instructions to:

receive a user input string for generating an application password for a particular application;

generate a key for the particular application;

specify derivation parameters for the application password, including instructions to:

select a hash function from a set of hash functions through an indiscriminate selection process;

determine a hashing iteration value through the indiscriminate selection process; and

select a character set through the indiscriminate selection process;

generate the application password using the key and the derivation parameters by applying the hash function to the key and user input string to obtain a hash value according to the hashing iteration value and mapping a portion of the hash value as character codes of the character set selected through the indiscriminate selection process to obtain the application password;

send the key and the derivation parameters for remote storage;

generate the application password using the key and the derivation parameters by:

determine that the application password does not satisfy a password requirement of the particular application, and in response:

generate a different key, different derivation parameters, or both; and

generate another application password using the different key, the different derivation parameters, or both.