tokenization algorithm is applied to the SHA-256 hash value to generate a unique token. This algorithm is designed to produce a token that is:

1. Unique: The token is unique to the original PAN.

2. Non-deterministic: The token is not reversible to the original PAN.

3. Unpredictable: The token is unpredictable, making it difficult for attackers to guess.

Pseudorandom number generators (PRNGs) are commonly used tokenization algorithms. PRNGs use mathematical formulas to generate a sequence of numbers that appear random and unpredictable. When applied to the SHA-256 hash value, a PRNG produces a token that is highly secure and resistant to attacks.

Other tokenization algorithms may include:

1. HMAC (Keyed-Hash Message Authentication Code)

2. AES (Advanced Encryption Standard)

3. RSA (Rivest-Shamir-Adleman)

These algorithms ensure that the token is securely generated and resistant to tampering, making it suitable for storing and processing sensitive payment card data.