Package com.pdftools.crypto

Enum SignaturePaddingType

java.lang.Object

java.lang.Enum<SignaturePaddingType>

com.pdftools.crypto.SignaturePaddingType

public enum SignaturePaddingType
extends java.lang.Enum<SignaturePaddingType>

Padding scheme of the cryptographic signature algorithm

The signature algorithm is defined by the signing certificate's key type. For example, RSA or ECDSA. For some keys, e.g. RSA keys, there are different padding algorithms. Some cryptographic providers let you set this padding algorithm. However, this only has an effect on signatures created by the cryptographic provider itself. All signed data acquired from external sources may use other signing algorithms; more specifically, the issuer certificates of the trust chain, the time-stamp’s signature, or those used for the revocation information (CRL, OCSP). It is recommended to verify that the algorithms of all signatures provide a similar level of security.

Enum Constant Summary

Enum Constants

Enum Constant	Description
DEFAULT	Default padding scheme
RSA_RSA	RSA with PKCS#1 padding scheme
RSA_SSA_PSS	RSA with Probabilistic Signature Scheme (PSS)

Method Summary

Modifier and Type	Method	Description
static SignaturePaddingType	valueOf(java.lang.String name)	Returns the enum constant of this type with the specified name.
static SignaturePaddingType[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

DEFAULT

public static final SignaturePaddingType DEFAULT

Default padding scheme

The default padding scheme. Used for the SignatureAlgorithm.ECDSA signature algorithm.

RSA_RSA

public static final SignaturePaddingType RSA_RSA

RSA with PKCS#1 padding scheme

Padding scheme for RSA keys that corresponds to the SignatureAlgorithm.RSA_RSA signature algorithm.

RSA_SSA_PSS

public static final SignaturePaddingType RSA_SSA_PSS

RSA with Probabilistic Signature Scheme (PSS)

Padding scheme for RSA keys that corresponds to the SignatureAlgorithm.RSA_SSA_PSS signature algorithm.

Method Detail

values

public static SignaturePaddingType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (SignaturePaddingType c : SignaturePaddingType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static SignaturePaddingType valueOf(java.lang.String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null