Add test vectors for PBKDF2

Tests/CryptoSwiftTests/PBKDF.swift

@@ -19,10 +19,31 @@ class PBKDF: XCTestCase {
     }
 
     func testPBKDF2() {
-        let password: Array<UInt8> = "s33krit".utf8.map {$0}
-        let salt: Array<UInt8> = "nacl".utf8.map {$0}
-        let value = try! PKCS5.PBKDF2(password: password, salt: salt, iterations: 2, keyLength: 140, variant: .sha1).calculate()
-        XCTAssert(value.toHexString() == "a53cf3df485e5cd91c17c4978048e3ca86e03cced5f748fb55eff9c1edfce7f9f490c0beee768b85c1ba14ec5750cf059fea52565ffd9e4f9dba01c5c953955e7f1012b6a9eb40629ce767982e598df9081048e22781b35187c16d61ac43f69b88630a9e80233b4c58bdc74ea5c06b5bb1b2c2a86e3ddc2775b852c4508ac85a6a47c0e23a3d8dc6e4dca583", "PBKDF2 fail")
+        // P = "password", S = "salt", c = 1, dkLen = 20
+        XCTAssertEqual([0x0c, 0x60, 0xc8, 0x0f, 0x96, 0x1f, 0x0e, 0x71, 0xf3, 0xa9, 0xb5, 0x24, 0xaf, 0x60, 0x12, 0x06, 0x2f, 0xe0, 0x37, 0xa6],
+                       try PKCS5.PBKDF2(password: [0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64], salt: [0x73, 0x61, 0x6C, 0x74], iterations: 1, keyLength: 20, variant: .sha1).calculate())
+
+        // P = "password", S = "salt", c = 2, dkLen = 20
+        XCTAssertEqual([0xea, 0x6c, 0x01, 0x4d, 0xc7, 0x2d, 0x6f, 0x8c, 0xcd, 0x1e, 0xd9, 0x2a, 0xce, 0x1d, 0x41, 0xf0, 0xd8, 0xde, 0x89, 0x57],
+                       try PKCS5.PBKDF2(password: [0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64], salt: [0x73, 0x61, 0x6C, 0x74], iterations: 2, keyLength: 20, variant: .sha1).calculate())
+
+        // P = "password", S = "salt", c = 4096, dkLen = 20
+        XCTAssertEqual([0x4b, 0x00, 0x79, 0x01, 0xb7, 0x65, 0x48, 0x9a, 0xbe, 0xad, 0x49, 0xd9, 0x26, 0xf7, 0x21, 0xd0, 0x65, 0xa4, 0x29, 0xc1],
+                       try PKCS5.PBKDF2(password: [0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64], salt: [0x73, 0x61, 0x6C, 0x74], iterations: 4096, keyLength: 20, variant: .sha1).calculate())
+
+        // P = "password", S = "salt", c = 16777216, dkLen = 20
+        // Commented because it takes a lot of time with Debug build to finish.
+        // XCTAssertEqual([0xee, 0xfe, 0x3d, 0x61, 0xcd, 0x4d, 0xa4, 0xe4, 0xe9, 0x94, 0x5b, 0x3d, 0x6b, 0xa2, 0x15, 0x8c, 0x26, 0x34, 0xe9, 0x84],
+        //               try PKCS5.PBKDF2(password: [0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64], salt: [0x73, 0x61, 0x6C, 0x74], iterations: 16777216, keyLength: 20, variant: .sha1).calculate())
+
+        // P = "passwordPASSWORDpassword", S = "saltSALTsaltSALTsaltSALTsaltSALTsalt", c = 4096, dkLen = 25
+        XCTAssertEqual([0x3d, 0x2e, 0xec, 0x4f, 0xe4, 0x1c, 0x84, 0x9b, 0x80, 0xc8, 0xd8, 0x36, 0x62, 0xc0, 0xe4, 0x4a, 0x8b, 0x29, 0x1a, 0x96, 0x4c, 0xf2, 0xf0, 0x70, 0x38],
+                       try PKCS5.PBKDF2(password: [0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64, 0x50, 0x41, 0x53, 0x53, 0x57, 0x4F, 0x52, 0x44, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6F, 0x72, 0x64], salt: [0x73, 0x61, 0x6C, 0x74, 0x53, 0x41, 0x4C, 0x54, 0x73, 0x61, 0x6C, 0x74, 0x53, 0x41, 0x4C, 0x54, 0x73, 0x61, 0x6C, 0x74, 0x53, 0x41, 0x4C, 0x54, 0x73, 0x61, 0x6C, 0x74, 0x53, 0x41, 0x4C, 0x54, 0x73, 0x61, 0x6C, 0x74], iterations: 4096, keyLength: 25, variant: .sha1).calculate())
+
+        // P = "pass\0word", S = "sa\0lt", c = 4096, dkLen = 16
+        XCTAssertEqual([0x56, 0xfa, 0x6a, 0xa7, 0x55, 0x48, 0x09, 0x9d, 0xcc, 0x37, 0xd7, 0xf0, 0x34, 0x25, 0xe0, 0xc3],
+                       try PKCS5.PBKDF2(password: [0x70, 0x61, 0x73, 0x73, 0x00, 0x77, 0x6F, 0x72, 0x64], salt: [0x73, 0x61, 0x00, 0x6C, 0x74], iterations: 4096, keyLength: 16, variant: .sha1).calculate())
+
     }
 
     func testPBKDF2Length() {