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• Interfaces

Pbkdf2-hmac-sha-512-interface

PBKDF2-HMAC-SHA-512 interface.

PBKDF2 stands for Password-Based Key Derivation Function 2. It is defined in IETF RFC 8018.

We instantiate PBKDF2 with the pseudorandom function HMAC-SHA-512.

See also:

• PBKDF2-HMAC-SHA-512 executable specification
• attaching PBKDF2-HMAC-SHA-512 executable specification to this interface

Definitions and Theorems

Theorem: byte-list-of-pbkdf2-hmac-sha-512

(defthm byte-list-of-pbkdf2-hmac-sha-512
 (byte-listp (pbkdf2-hmac-sha-512 password salt iterations length)))

Theorem: len-of-pbkdf2-hmac-sha-512

(defthm len-of-pbkdf2-hmac-sha-512
  (equal (len (pbkdf2-hmac-sha-512 password salt iterations length))
         (pos-fix length)))

Theorem: pbkdf2-hmac-sha-512-of-byte-list-fix-password

(defthm pbkdf2-hmac-sha-512-of-byte-list-fix-password
  (equal (pbkdf2-hmac-sha-512 (byte-list-fix password)
                              salt iterations length)
         (pbkdf2-hmac-sha-512 password salt iterations length)))

Theorem: pbkdf2-hmac-sha-512-byte-list-equiv-congruence-on-password

(defthm pbkdf2-hmac-sha-512-byte-list-equiv-congruence-on-password
 (implies
  (byte-list-equiv password password-equiv)
  (equal
       (pbkdf2-hmac-sha-512 password salt iterations length)
       (pbkdf2-hmac-sha-512 password-equiv salt iterations length)))
 :rule-classes :congruence)

Theorem: pbkdf2-hmac-sha-512-of-byte-list-fix-salt

(defthm pbkdf2-hmac-sha-512-of-byte-list-fix-salt
  (equal (pbkdf2-hmac-sha-512 password (byte-list-fix salt)
                              iterations length)
         (pbkdf2-hmac-sha-512 password salt iterations length)))

Theorem: pbkdf2-hmac-sha-512-byte-list-equiv-congruence-on-salt

(defthm pbkdf2-hmac-sha-512-byte-list-equiv-congruence-on-salt
 (implies
  (byte-list-equiv salt salt-equiv)
  (equal
       (pbkdf2-hmac-sha-512 password salt iterations length)
       (pbkdf2-hmac-sha-512 password salt-equiv iterations length)))
 :rule-classes :congruence)

Theorem: pbkdf2-hmac-sha-512-of-pos-fix-iterations

(defthm pbkdf2-hmac-sha-512-of-pos-fix-iterations
  (equal (pbkdf2-hmac-sha-512 password salt (pos-fix iterations)
                              length)
         (pbkdf2-hmac-sha-512 password salt iterations length)))

Theorem: pbkdf2-hmac-sha-512-pos-equiv-congruence-on-iterations

(defthm pbkdf2-hmac-sha-512-pos-equiv-congruence-on-iterations
 (implies
  (acl2::pos-equiv iterations iterations-equiv)
  (equal
       (pbkdf2-hmac-sha-512 password salt iterations length)
       (pbkdf2-hmac-sha-512 password salt iterations-equiv length)))
 :rule-classes :congruence)

Theorem: pbkdf2-hmac-sha-512-of-pos-fix-length

(defthm pbkdf2-hmac-sha-512-of-pos-fix-length
  (equal (pbkdf2-hmac-sha-512 password
                              salt iterations (pos-fix length))
         (pbkdf2-hmac-sha-512 password salt iterations length)))

Theorem: pbkdf2-hmac-sha-512-pos-equiv-congruence-on-length

(defthm pbkdf2-hmac-sha-512-pos-equiv-congruence-on-length
 (implies
  (acl2::pos-equiv length length-equiv)
  (equal
       (pbkdf2-hmac-sha-512 password salt iterations length)
       (pbkdf2-hmac-sha-512 password salt iterations length-equiv)))
 :rule-classes :congruence)

Theorem: true-listp-of-pbkdf2-hmac-sha-512

(defthm true-listp-of-pbkdf2-hmac-sha-512
  (true-listp (pbkdf2-hmac-sha-512 password salt iterations length))
  :rule-classes :type-prescription)

Theorem: consp-of-pbkdf2-hmac-sha-512

(defthm consp-of-pbkdf2-hmac-sha-512
  (consp (pbkdf2-hmac-sha-512 password salt iterations length))
  :rule-classes :type-prescription)