crypto_pkey.c File Reference

api to interact handle generic public keys More...

#include "platform.h"
#include "gnunet_util_lib.h"

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Functions
static enum GNUNET_GenericReturnValue	check_key_type (uint32_t type)
ssize_t	GNUNET_CRYPTO_private_key_get_length (const struct GNUNET_CRYPTO_PrivateKey *key)
	Get the compacted length of a GNUNET_CRYPTO_PrivateKey. More...
ssize_t	GNUNET_CRYPTO_public_key_get_length (const struct GNUNET_CRYPTO_PublicKey *key)
	Get the compacted length of a GNUNET_CRYPTO_PublicKey. More...
ssize_t	GNUNET_CRYPTO_private_key_length_by_type (enum GNUNET_CRYPTO_KeyType kt)
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_read_public_key_from_buffer (const void *buffer, size_t len, struct GNUNET_CRYPTO_PublicKey *key, size_t *kb_read)
	Reads a GNUNET_CRYPTO_PublicKey from a compact buffer. More...
ssize_t	GNUNET_CRYPTO_write_public_key_to_buffer (const struct GNUNET_CRYPTO_PublicKey *key, void *buffer, size_t len)
	Writes a GNUNET_CRYPTO_PublicKey to a compact buffer. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_read_private_key_from_buffer (const void *buffer, size_t len, struct GNUNET_CRYPTO_PrivateKey *key, size_t *kb_read)
	Reads a GNUNET_CRYPTO_PrivateKey from a compact buffer. More...
ssize_t	GNUNET_CRYPTO_write_private_key_to_buffer (const struct GNUNET_CRYPTO_PrivateKey *key, void *buffer, size_t len)
	Writes a GNUNET_CRYPTO_PrivateKey to a compact buffer. More...
ssize_t	GNUNET_CRYPTO_signature_get_length (const struct GNUNET_CRYPTO_Signature *sig)
	Get the compacted length of a GNUNET_CRYPTO_Signature. More...
ssize_t	GNUNET_CRYPTO_signature_get_raw_length_by_type (uint32_t type)
	Get the compacted length of a signature by type. More...
ssize_t	GNUNET_CRYPTO_read_signature_from_buffer (struct GNUNET_CRYPTO_Signature *sig, const void *buffer, size_t len)
	Reads a GNUNET_CRYPTO_Signature from a compact buffer. More...
ssize_t	GNUNET_CRYPTO_write_signature_to_buffer (const struct GNUNET_CRYPTO_Signature *sig, void *buffer, size_t len)
	Writes a GNUNET_CRYPTO_Signature to a compact buffer. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_sign_raw_ (const struct GNUNET_CRYPTO_PrivateKey *priv, const struct GNUNET_CRYPTO_EccSignaturePurpose *purpose, unsigned char *sig)
	Sign a given block. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_sign_ (const struct GNUNET_CRYPTO_PrivateKey *priv, const struct GNUNET_CRYPTO_EccSignaturePurpose *purpose, struct GNUNET_CRYPTO_Signature *sig)
	Sign a given block. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_signature_verify_ (uint32_t purpose, const struct GNUNET_CRYPTO_EccSignaturePurpose *validate, const struct GNUNET_CRYPTO_Signature *sig, const struct GNUNET_CRYPTO_PublicKey *pub)
	Verify a given signature. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_signature_verify_raw_ (uint32_t purpose, const struct GNUNET_CRYPTO_EccSignaturePurpose *validate, const unsigned char *sig, const struct GNUNET_CRYPTO_PublicKey *pub)
	Verify a given signature. More...
ssize_t	GNUNET_CRYPTO_encrypt_old (const void *block, size_t size, const struct GNUNET_CRYPTO_PublicKey *pub, struct GNUNET_CRYPTO_EcdhePublicKey *ecc, void *result)
	Encrypt a block with GNUNET_CRYPTO_PublicKey and derives a GNUNET_CRYPTO_EcdhePublicKey which is required for decryption using ecdh to derive a symmetric key. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_encrypt (const void *pt, size_t pt_size, const struct GNUNET_CRYPTO_PublicKey *pub, void *ct_buf, size_t ct_size)
	Encrypt a block with GNUNET_CRYPTO_PublicKey and derives a GNUNET_CRYPTO_EcdhePublicKey which is required for decryption using ecdh to derive a symmetric key. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_decrypt (const void *ct_buf, size_t ct_size, const struct GNUNET_CRYPTO_PrivateKey *priv, void *pt, size_t pt_size)
	Decrypt a given block with GNUNET_CRYPTO_PrivateKey and a given GNUNET_CRYPTO_EcdhePublicKey using ecdh to derive a symmetric key. More...
ssize_t	GNUNET_CRYPTO_decrypt_old (const void *block, size_t size, const struct GNUNET_CRYPTO_PrivateKey *priv, const struct GNUNET_CRYPTO_EcdhePublicKey *ecc, void *result)
	Decrypt a given block with GNUNET_CRYPTO_PrivateKey and a given GNUNET_CRYPTO_EcdhePublicKey using ecdh to derive a symmetric key. More...
char *	GNUNET_CRYPTO_public_key_to_string (const struct GNUNET_CRYPTO_PublicKey *key)
	Creates a (Base32) string representation of the public key. More...
char *	GNUNET_CRYPTO_private_key_to_string (const struct GNUNET_CRYPTO_PrivateKey *key)
	Creates a (Base32) string representation of the private key. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_public_key_from_string (const char *str, struct GNUNET_CRYPTO_PublicKey *key)
	Parses a (Base32) string representation of the public key. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_private_key_from_string (const char *str, struct GNUNET_CRYPTO_PrivateKey *key)
	Parses a (Base32) string representation of the private key. More...
enum GNUNET_GenericReturnValue	GNUNET_CRYPTO_key_get_public (const struct GNUNET_CRYPTO_PrivateKey *privkey, struct GNUNET_CRYPTO_PublicKey *key)
	Retrieves the public key representation of a private key. More...

Detailed Description

api to interact handle generic public keys

Author

Martin Schanzenbach

Definition in file crypto_pkey.c.

Function Documentation

check_key_type()

static enum GNUNET_GenericReturnValue check_key_type ( uint32_t  type )

static

Definition at line 32 of file crypto_pkey.c.

{
  switch (type)
  {
  case GNUNET_PUBLIC_KEY_TYPE_ECDSA:
  case GNUNET_PUBLIC_KEY_TYPE_EDDSA:
    return GNUNET_OK;
  default:
    return GNUNET_SYSERR;
  }
  return GNUNET_SYSERR;
}

References GNUNET_OK, GNUNET_PUBLIC_KEY_TYPE_ECDSA, GNUNET_PUBLIC_KEY_TYPE_EDDSA, GNUNET_SYSERR, and type.

Referenced by GNUNET_CRYPTO_private_key_from_string(), and GNUNET_CRYPTO_public_key_from_string().

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GNUNET_CRYPTO_private_key_length_by_type()

ssize_t GNUNET_CRYPTO_private_key_length_by_type

(

enum GNUNET_CRYPTO_KeyType

kt

)

Definition at line 85 of file crypto_pkey.c.

{
  switch (kt)
  {
  case GNUNET_PUBLIC_KEY_TYPE_ECDSA:
    return sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey);
    break;
  case GNUNET_PUBLIC_KEY_TYPE_EDDSA:
    return sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey);
    break;
  default:
    GNUNET_break (0);
  }
  return -1;
}

References GNUNET_break, GNUNET_PUBLIC_KEY_TYPE_ECDSA, and GNUNET_PUBLIC_KEY_TYPE_EDDSA.