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ED25519 Key Support #39 (#248)

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OpenSSH Key and ED25519 support #39
Added _libssh2_explicit_zero() to explicitly zero sensitive data in memory #120

* ED25519 Key file support - Requires OpenSSL 1.1.1 or later
* OpenSSH Key format reading support - Supports RSA/DSA/ECDSA/ED25519 types
* New string buffer reading functions - These add build-in bounds checking and convenance methods. Used for OpenSSL PEM file reading.
* Added new tests for OpenSSH formatted Keys
This commit is contained in:
Will Cosgrove
2018-08-02 14:00:25 -07:00
committed by GitHub
parent 62b825c8af
commit 0309229259
35 changed files with 4368 additions and 285 deletions
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43
src/crypto.h
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@@ -58,6 +58,10 @@
#include "mbedtls.h"
#endif
#define LIBSSH2_ED25519_KEY_LEN 32
#define LIBSSH2_ED25519_PRIVATE_KEY_LEN 64
#define LIBSSH2_ED25519_SIG_LEN 64
#if LIBSSH2_RSA
int _libssh2_rsa_new(libssh2_rsa_ctx ** rsa,
const unsigned char *edata,
@@ -132,10 +136,6 @@ _libssh2_ecdsa_new_private(libssh2_ecdsa_ctx ** ec_ctx,
LIBSSH2_SESSION * session,
const char *filename, unsigned const char *passphrase);
int _libssh2_ecdsa_new_openssh_private(libssh2_ecdsa_ctx ** dsa,
LIBSSH2_SESSION * session,
const char *filename,
unsigned const char *passphrase);
int
_libssh2_ecdsa_verify(libssh2_ecdsa_ctx * ctx,
const unsigned char *r, size_t r_len,
@@ -169,6 +169,38 @@ _libssh2_ecdsa_curve_type_from_name(const char *name, libssh2_curve_type *out_ty
#endif /* LIBSSH2_ECDSA */
#if LIBSSH2_ED25519
int
_libssh2_curve25519_new(libssh2_ed25519_ctx **ctx, uint8_t **out_public_key,
uint8_t **out_private_key);
int
_libssh2_curve25519_gen_k(_libssh2_bn **k, uint8_t private_key[LIBSSH2_ED25519_KEY_LEN],
uint8_t server_public_key[LIBSSH2_ED25519_KEY_LEN]);
int
_libssh2_ed25519_verify(libssh2_ed25519_ctx *ctx, const uint8_t *s,
size_t s_len, const uint8_t *m, size_t m_len);
int
_libssh2_ed25519_new_private(libssh2_ed25519_ctx **ec_ctx,
LIBSSH2_SESSION *session,
const char *filename, const uint8_t *passphrase);
int
_libssh2_ed25519_sign(libssh2_ed25519_ctx *ctx, LIBSSH2_SESSION *session,
uint8_t **out_sig, size_t *out_sig_len,
const uint8_t *message, size_t message_len);
int
_libssh2_ed25519_new_private_frommemory(libssh2_ed25519_ctx **ed_ctx,
LIBSSH2_SESSION *session,
const char *filedata, size_t filedata_len,
unsigned const char *passphrase);
#endif /* LIBSSH2_ED25519 */
int _libssh2_cipher_init(_libssh2_cipher_ctx * h,
_libssh2_cipher_type(algo),
unsigned char *iv,
@@ -185,6 +217,7 @@ int _libssh2_pub_priv_keyfile(LIBSSH2_SESSION *session,
size_t *pubkeydata_len,
const char *privatekey,
const char *passphrase);
int _libssh2_pub_priv_keyfilememory(LIBSSH2_SESSION *session,
unsigned char **method,
size_t *method_len,
@@ -194,4 +227,4 @@ int _libssh2_pub_priv_keyfilememory(LIBSSH2_SESSION *session,
size_t privatekeydata_len,
const char *passphrase);
#endif
#endif