src/Alg/Encryption/EncryptionAlgorithmFactory.php:78:16: MoreSpecificReturnType: The declared return type 'SimpleSAML\XMLSecurity\Alg\Encryption\EncryptionAlgorithmInterface' for SimpleSAML\XMLSecurity\Alg\Encryption\EncryptionAlgorithmFactory::getAlgorithm is more specific than the inferred return type 'SimpleSAML\XMLSecurity\Alg\AlgorithmInterface' (see https://psalm.dev/070)

src/Alg/Encryption/EncryptionAlgorithmFactory.php:86:16: LessSpecificReturnStatement: The type 'SimpleSAML\XMLSecurity\Alg\AlgorithmInterface' is more general than the declared return type 'SimpleSAML\XMLSecurity\Alg\Encryption\EncryptionAlgorithmInterface' for SimpleSAML\XMLSecurity\Alg\Encryption\EncryptionAlgorithmFactory::getAlgorithm (see https://psalm.dev/129)

src/Alg/KeyTransport/KeyTransportAlgorithmFactory.php:68:16: MoreSpecificReturnType: The declared return type 'SimpleSAML\XMLSecurity\Alg\Encryption\EncryptionAlgorithmInterface' for SimpleSAML\XMLSecurity\Alg\KeyTransport\KeyTransportAlgorithmFactory::getAlgorithm is more specific than the inferred return type 'SimpleSAML\XMLSecurity\Alg\AlgorithmInterface' (see https://psalm.dev/070)

src/Alg/KeyTransport/KeyTransportAlgorithmFactory.php:76:16: LessSpecificReturnStatement: The type 'SimpleSAML\XMLSecurity\Alg\AlgorithmInterface' is more general than the declared return type 'SimpleSAML\XMLSecurity\Alg\Encryption\EncryptionAlgorithmInterface' for SimpleSAML\XMLSecurity\Alg\KeyTransport\KeyTransportAlgorithmFactory::getAlgorithm (see https://psalm.dev/129)

src/Alg/Signature/SignatureAlgorithmFactory.php:79:16: MoreSpecificReturnType: The declared return type 'SimpleSAML\XMLSecurity\Alg\Signature\SignatureAlgorithmInterface' for SimpleSAML\XMLSecurity\Alg\Signature\SignatureAlgorithmFactory::getAlgorithm is more specific than the inferred return type 'SimpleSAML\XMLSecurity\Alg\AlgorithmInterface' (see https://psalm.dev/070)

src/Alg/Signature/SignatureAlgorithmFactory.php:87:16: LessSpecificReturnStatement: The type 'SimpleSAML\XMLSecurity\Alg\AlgorithmInterface' is more general than the declared return type 'SimpleSAML\XMLSecurity\Alg\Signature\SignatureAlgorithmInterface' for SimpleSAML\XMLSecurity\Alg\Signature\SignatureAlgorithmFactory::getAlgorithm (see https://psalm.dev/129)

src/Backend/OpenSSL.php:52:19: PropertyNotSetInConstructor: Property SimpleSAML\XMLSecurity\Backend\OpenSSL::$blocksize is not defined in constructor of SimpleSAML\XMLSecurity\Backend\OpenSSL or in any methods called in the constructor (see https://psalm.dev/074)

src/Backend/OpenSSL.php:55:19: PropertyNotSetInConstructor: Property SimpleSAML\XMLSecurity\Backend\OpenSSL::$keysize is not defined in constructor of SimpleSAML\XMLSecurity\Backend\OpenSSL or in any methods called in the constructor (see https://psalm.dev/074)

src/Backend/OpenSSL.php:101:43: ArgumentTypeCoercion: Argument 1 of SimpleSAML\XMLSecurity\Utils\Random::generateRandomBytes expects int<1, max>, but parent type false|int provided (see https://psalm.dev/193)

src/CryptoEncoding/PEM.php:118:22: PossiblyNullArrayAccess: Cannot access array value on possibly null variable $e of type array{file: string, line: int, message: string, type: int}|null (see https://psalm.dev/079)

src/Key/PublicKey.php:124:25: PossiblyNullOperand: Cannot concatenate with a possibly null null|string (see https://psalm.dev/080)

src/Key/PublicKey.php:128:33: PossiblyNullOperand: Cannot concatenate with a possibly null null|string (see https://psalm.dev/080)

src/Key/PublicKey.php:129:35: PossiblyNullOperand: Cannot concatenate with a possibly null null|string (see https://psalm.dev/080)

tests/Alg/Signature/HMACSignatureTest.php:55:81: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)

tests/Alg/Signature/HMACSignatureTest.php:61:21: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)

tests/Alg/Signature/HMACSignatureTest.php:68:21: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)

tests/Alg/Signature/HMACSignatureTest.php:75:21: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)

tests/Alg/Signature/HMACSignatureTest.php:83:21: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)

tests/Alg/Signature/HMACSignatureTest.php:88:81: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)

tests/Alg/Signature/RSASignatureTest.php:62:25: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)

tests/Alg/Signature/RSASignatureTest.php:72:21: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)

tests/Alg/Signature/RSASignatureTest.php:81:21: PossiblyFalseArgument: Argument 1 of bin2hex cannot be false, possibly string value expected (see https://psalm.dev/104)