us::gov::crypto::symmetric_encryption Class Reference

#include <symmetric_encryption.h>

Collaboration diagram for us::gov::crypto::symmetric_encryption:

Public Types
typedef ec::keys	keys
typedef unsigned char	byte

Public Member Functions
ko	init (const keys::priv_t &sk, const keys::pub_t &pub_other)
ko	encrypt (const vector< unsigned char > &src, vector< unsigned char > &dest)
ko	decrypt (const unsigned char *p, size_t sz, vector< unsigned char > &dest)
ko	decrypt (const vector< unsigned char > &ciphertext, vector< unsigned char > &clear)
	symmetric_encryption ()
ko	init (PrivateKey priv_a, PublicKey pub_b)
int	get_key_size ()
pair< ko, byte[]>	encrypt (byte[] plaintext)
pair< ko, byte[]>	decrypt (byte[] encrypted, int offset, int length)
pair< ko, byte[]>	decrypt (byte[] encrypted)

Static Public Member Functions
static int	encmsg_ratio (const size_t plaintext_sz)
static size_t	encmsg_max_sz (const size_t plaintext_sz)
static boolean	test ()
static boolean	test (String plaintext)
static boolean	test (String plaintext_string, PrivateKey priv_a, PublicKey pub_b, PrivateKey priv_b, PublicKey pub_a)

Public Attributes
AutoSeededRandomPool	prng_
byte	key_ [key_size]
byte	iv_ [iv_size]
GCM< AES >::Encryption	enc
GCM< AES >::Decryption	dec

Static Public Attributes
static constexpr size_t	key_size = 16
static constexpr size_t	iv_size = 12
static constexpr int	tag_size = 16
static final int	iv_size = 12
static final int	key_size = 16
static final ko	KO_89601 =new ko("KO 89601 Invalid length.")
static final ko	KO_40751 =new ko("KO 40751 Unable to decrypt.")
static final ko	KO_44302 =new ko("KO 40751 Unable to encrypt.")

Package Attributes
Cipher	enc
Cipher	dec
byte[]	key
byte[]	iv = new byte[iv_size]

Static Package Attributes
static final SecureRandom	random = new SecureRandom()

Member Typedef Documentation

byte

typedef unsigned char us::gov::crypto::symmetric_encryption::byte

keys

typedef ec::keys us::gov::crypto::symmetric_encryption::keys

Constructor & Destructor Documentation

symmetric_encryption()

us.gov.crypto.symmetric_encryption.symmetric_encryption ( )

inline

Member Function Documentation

decrypt() [1/4]

pair<ko, byte[]> us.gov.crypto.symmetric_encryption.decrypt ( byte[]  encrypted )

inline

References decrypt().

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decrypt() [2/4]

pair<ko, byte[]> us.gov.crypto.symmetric_encryption.decrypt ( byte[]  encrypted, int  offset, int  length  )

inline

References dec, iv_size, key, KO_40751, KO_89601, us.ok, and random.

decrypt() [3/4]

ko us::gov::crypto::symmetric_encryption::decrypt	(	const unsigned char *	p,
		size_t	sz,
		vector< unsigned char > &	dest
	)

Referenced by decrypt(), and us::gov::socket::datagram::decrypt().

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decrypt() [4/4]

ko us::gov::crypto::symmetric_encryption::decrypt	(	const vector< unsigned char > &	ciphertext,
		vector< unsigned char > &	clear
	)

encmsg_max_sz()

static size_t us::gov::crypto::symmetric_encryption::encmsg_max_sz ( const size_t  plaintext_sz )

static

encmsg_ratio()

static int us::gov::crypto::symmetric_encryption::encmsg_ratio ( const size_t  plaintext_sz )

static

encrypt() [1/2]

pair<ko, byte[]> us.gov.crypto.symmetric_encryption.encrypt ( byte[]  plaintext )

inline

References enc, iv, key, KO_44302, us.ok, and random.

encrypt() [2/2]

ko us::gov::crypto::symmetric_encryption::encrypt	(	const vector< unsigned char > &	src,
		vector< unsigned char > &	dest
	)

Referenced by us::gov::socket::datagram::encrypt().

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get_key_size()

int us.gov.crypto.symmetric_encryption.get_key_size ( )

inline

References key_size.

init() [1/2]

ko us::gov::crypto::symmetric_encryption::init	(	const keys::priv_t &	sk,
		const keys::pub_t &	pub_other
	)

Referenced by us::gov::id::peer_t::turn_on_encryption().

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init() [2/2]

ko us.gov.crypto.symmetric_encryption.init ( PrivateKey  priv_a, PublicKey  pub_b  )

inline

References dec, enc, us::gov::crypto::ec.generate_shared_key(), us::gov::crypto::ec.instance, key, key_size, and us.ok.

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test() [1/3]

static boolean us.gov.crypto.symmetric_encryption.test ( )

inlinestatic

Referenced by us.gov.crypto.test.symmetric_encryption.main(), us.wallet.cli.hmi.test(), and test().

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test() [2/3]

static boolean us.gov.crypto.symmetric_encryption.test ( String  plaintext )

inlinestatic

References us::gov::crypto::ec.generate_keypair(), us::gov::crypto::ec.instance, and test().

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test() [3/3]

static boolean us.gov.crypto.symmetric_encryption.test ( String  plaintext_string, PrivateKey  priv_a, PublicKey  pub_b, PrivateKey  priv_b, PublicKey  pub_a  )

inlinestatic

References us.pair< f, s >.first, us.ko.is_ko(), us.ok, and us.pair< f, s >.second.

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Member Data Documentation

dec [1/2]

GCM<AES>::Decryption us::gov::crypto::symmetric_encryption::dec

Referenced by decrypt(), and init().

dec [2/2]

Cipher us.gov.crypto.symmetric_encryption.dec

package

enc [1/2]

GCM<AES>::Encryption us::gov::crypto::symmetric_encryption::enc

Referenced by encrypt(), and init().

enc [2/2]

Cipher us.gov.crypto.symmetric_encryption.enc

package

iv

byte [] us.gov.crypto.symmetric_encryption.iv = new byte[iv_size]

package

Referenced by encrypt().

iv_

byte us::gov::crypto::symmetric_encryption::iv_[iv_size]

iv_size [1/2]

constexpr size_t us::gov::crypto::symmetric_encryption::iv_size = 12

staticconstexpr

Referenced by decrypt(), and us.gov.crypto.test.symmetric_encryption::test_decrypt_nulls().

iv_size [2/2]

final int us.gov.crypto.symmetric_encryption.iv_size = 12

static

key

byte [] us.gov.crypto.symmetric_encryption.key

package

Referenced by decrypt(), encrypt(), and init().

key_

byte us::gov::crypto::symmetric_encryption::key_[key_size]

key_size [1/2]

constexpr size_t us::gov::crypto::symmetric_encryption::key_size = 16

staticconstexpr

Referenced by get_key_size(), and init().

key_size [2/2]

final int us.gov.crypto.symmetric_encryption.key_size = 16

static

KO_40751

final ko us.gov.crypto.symmetric_encryption.KO_40751 =new ko("KO 40751 Unable to decrypt.")

static

Referenced by decrypt(), and us.gov.crypto.test.symmetric_encryption.test_decrypt_nulls().

KO_44302

final ko us.gov.crypto.symmetric_encryption.KO_44302 =new ko("KO 40751 Unable to encrypt.")

static

Referenced by encrypt().

KO_89601

final ko us.gov.crypto.symmetric_encryption.KO_89601 =new ko("KO 89601 Invalid length.")

static

Referenced by decrypt(), and us.gov.crypto.test.symmetric_encryption.test_decrypt_nulls().

prng_

AutoSeededRandomPool us::gov::crypto::symmetric_encryption::prng_

random

final SecureRandom us.gov.crypto.symmetric_encryption.random = new SecureRandom()

staticpackage

Referenced by decrypt(), and encrypt().

tag_size

constexpr int us::gov::crypto::symmetric_encryption::tag_size = 16

staticconstexpr

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The documentation for this class was generated from the following files:

• gov/crypto/symmetric_encryption.h
• sdk/wallet/java/us/gov/crypto/symmetric_encryption.java