DLGroup

This class represents discrete logarithm groups. It holds a prime p, a prime q = (p-1)/2 and m_g = x^((p-1)/q) mod p.

static if(BOTAN_HAS_PUBLIC_KEY_CRYPTO)

struct DLGroup {

const(BigInt) getP();

const(BigInt) getQ();

const(BigInt) getG();

alias Format = ubyte;

anonymousenum ANSI_X9_42;

alias PrimeType = ubyte;

anonymousenum Strong;

bool verifyGroup(RandomNumberGenerator rng, bool strong);

string PEM_encode(Format format);

Vector!ubyte DER_encode(Format format);

void BER_decode(Vector!ubyte data, Format format);

void PEM_decode(string pem);

this(string name);

this(RandomNumberGenerator rng, PrimeType type, size_t pbits, size_t qbits);

this(RandomNumberGenerator rng, Vector!ubyte seed, size_t pbits, size_t qbits);

this(BigInt p1, BigInt g1);

this(BigInt p1, BigInt q1, BigInt g1);

DLGroup dup [@property getter];

DLGroup move [@property getter];

void opAssign(DLGroup other);

string toString();

Vector!char toVector();

static string getPemForNamedGroup(string name);

}

Constructors

this this(string name): Construct a DL group that is registered in the configuration.
this this(RandomNumberGenerator rng, PrimeType type, size_t pbits, size_t qbits): Create a new group randomly.
this this(RandomNumberGenerator rng, Vector!ubyte seed, size_t pbits, size_t qbits): Create a DSA group with a given seed.
this this(BigInt p1, BigInt g1): Create a DL group. The prime q will be determined according to p.
this this(BigInt p1, BigInt q1, BigInt g1): Create a DL group.

Postblit

this(this) this(this): Undocumented in source.

Members

Aliases

Format alias Format = ubyte: Undocumented in source.
PrimeType alias PrimeType = ubyte: Undocumented in source.

Enums

ANSI_X9_42 anonymousenum ANSI_X9_42: The DL group encoding format variants.
Strong anonymousenum Strong: Determine the prime creation for DL groups.

Functions

BER_decode void BER_decode(Vector!ubyte data, Format format): Decode a DER/BER encoded group into this instance.
DER_encode Vector!ubyte DER_encode(Format format): Encode this group into a string using DER encoding.
PEM_decode void PEM_decode(string pem): Decode a PEM encoded group into this instance.
PEM_encode string PEM_encode(Format format): Encode this group into a string using PEM encoding.
getG const(BigInt) getG(): Get the base m_g.
getP const(BigInt) getP(): Get the prime m_p.
getQ const(BigInt) getQ(): Get the prime q.
opAssign void opAssign(DLGroup other): Undocumented in source. Be warned that the author may not have intended to support it.
toString string toString(): Undocumented in source. Be warned that the author may not have intended to support it.
toVector Vector!char toVector(): Undocumented in source. Be warned that the author may not have intended to support it.
verifyGroup bool verifyGroup(RandomNumberGenerator rng, bool strong): Perform validity checks on the group.

Properties

dup DLGroup dup [@property getter]: Duplicate this object
move DLGroup move [@property getter]: Undocumented in source. Be warned that the author may not have intended to support it.

Static functions

getPemForNamedGroup string getPemForNamedGroup(string name): Return PEM representation of named DL group

Meta

Source

See Implementation

botan pubkey algo dl_group structs

DLGroup