Remove deprecated functions from SecureRandom

apps/encryption/tests/Crypto/EncryptAllTest.php

@@ -126,8 +126,6 @@ function setUp() {
 		$this->userInterface->expects($this->any())->method('getUsers')->willReturn(['user1', 'user2']);
 
 		$this->secureRandom = $this->getMockBuilder(ISecureRandom::class)->disableOriginalConstructor()->getMock();
-		$this->secureRandom->expects($this->any())->method('getMediumStrengthGenerator')->willReturn($this->secureRandom);
-		$this->secureRandom->expects($this->any())->method('getLowStrengthGenerator')->willReturn($this->secureRandom);
 		$this->secureRandom->expects($this->any())->method('generate')->willReturn('12345678');
 
 

apps/federation/tests/Controller/OCSAuthAPIControllerTest.php

@@ -177,7 +177,6 @@ public function testGetSharedSecret($isTrustedServer, $isValidToken, $ok) {
 			$this->trustedServers->expects($this->once())
 				->method('addSharedSecret')->willReturn($url, 'secret');
 		} else {
-			$this->secureRandom->expects($this->never())->method('getMediumStrengthGenerator');
 			$this->secureRandom->expects($this->never())->method('generate');
 			$this->trustedServers->expects($this->never())->method('addSharedSecret');
 		}

lib/private/Security/SecureRandom.php

@@ -36,34 +36,6 @@
  * @package OC\Security
  */
 class SecureRandom implements ISecureRandom {
-	/**
-	 * Convenience method to get a low strength random number generator.
-	 *
-	 * Low Strength should be used anywhere that random strings are needed
-	 * in a non-cryptographical setting. They are not strong enough to be
-	 * used as keys or salts. They are however useful for one-time use tokens.
-	 *
-	 * @deprecated 9.0.0 Use \OC\Security\SecureRandom::generate directly or random_bytes() / random_int()
-	 * @return $this
-	 */
-	public function getLowStrengthGenerator() {
-		return $this;
-	}
-
-	/**
-	 * Convenience method to get a medium strength random number generator.
-	 *
-	 * Medium Strength should be used for most needs of a cryptographic nature.
-	 * They are strong enough to be used as keys and salts. However, they do
-	 * take some time and resources to generate, so they should not be over-used
-	 *
-	 * @deprecated 9.0.0 Use \OC\Security\SecureRandom::generate directly or random_bytes() / random_int()
-	 * @return $this
-	 */
-	public function getMediumStrengthGenerator() {
-		return $this;
-	}
-
 	/**
 	 * Generate a random string of specified length.
 	 * @param int $length The length of the generated string

lib/public/Security/ISecureRandom.php

@@ -54,32 +54,6 @@ interface ISecureRandom {
 	 */
 	const CHAR_HUMAN_READABLE = 'abcdefgijkmnopqrstwxyzABCDEFGHJKLMNPQRSTWXYZ23456789';
 
-	/**
-	 * Convenience method to get a low strength random number generator.
-	 *
-	 * Low Strength should be used anywhere that random strings are needed
-	 * in a non-cryptographical setting. They are not strong enough to be
-	 * used as keys or salts. They are however useful for one-time use tokens.
-	 *
-	 * @return $this
-	 * @since 8.0.0
-	 * @deprecated 9.0.0 Use \OC\Security\SecureRandom::generate directly or random_bytes() / random_int()
-	 */
-	public function getLowStrengthGenerator();
-
-	/**
-	 * Convenience method to get a medium strength random number generator.
-	 *
-	 * Medium Strength should be used for most needs of a cryptographic nature.
-	 * They are strong enough to be used as keys and salts. However, they do
-	 * take some time and resources to generate, so they should not be over-used
-	 *
-	 * @return $this
-	 * @since 8.0.0
-	 * @deprecated 9.0.0 Use \OC\Security\SecureRandom::generate directly or random_bytes() / random_int()
-	 */
-	public function getMediumStrengthGenerator();
-
 	/**
 	 * Generate a random string of specified length.
 	 * @param int $length The length of the generated string

tests/lib/Share20/ManagerTest.php

@@ -1707,8 +1707,6 @@ public function testCreateShareLink() {
 			->with('password')
 			->willReturn('hashed');
 
-		$this->secureRandom->method('getMediumStrengthGenerator')
-			->will($this->returnSelf());
 		$this->secureRandom->method('generate')
 			->willReturn('token');
 
@@ -1818,8 +1816,6 @@ public function testCreateShareMail() {
 		$manager->expects($this->never())
 			->method('setLinkParent');
 
-		$this->secureRandom->method('getMediumStrengthGenerator')
-			->will($this->returnSelf());
 		$this->secureRandom->method('generate')
 			->willReturn('token');