diff options
| author | Salvatore Benedetto <salvatore.benedetto@intel.com> | 2016-06-22 17:49:15 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-06-23 18:29:57 +0800 |
| commit | 3c4b23901a0c766879dff680cd6bdab47bcdbbd2 (patch) | |
| tree | 3bcc903dce759f69193f4b9fa638f1383d7323d3 /include/crypto | |
| parent | 802c7f1c84e4b5a6ac78635878041023fc5831b1 (diff) | |
| download | linux-3c4b23901a0c766879dff680cd6bdab47bcdbbd2.tar.bz2 | |
crypto: ecdh - Add ECDH software support
* Implement ECDH under kpp API
* Provide ECC software support for curve P-192 and
P-256.
* Add kpp test for ECDH with data generated by OpenSSL
Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/ecdh.h | 30 | ||||
| -rw-r--r-- | include/crypto/kpp.h | 1 |
2 files changed, 31 insertions, 0 deletions
diff --git a/include/crypto/ecdh.h b/include/crypto/ecdh.h new file mode 100644 index 000000000000..84bad548d194 --- /dev/null +++ b/include/crypto/ecdh.h @@ -0,0 +1,30 @@ +/* + * ECDH params to be used with kpp API + * + * Copyright (c) 2016, Intel Corporation + * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ +#ifndef _CRYPTO_ECDH_ +#define _CRYPTO_ECDH_ + +/* Curves IDs */ +#define ECC_CURVE_NIST_P192 0x0001 +#define ECC_CURVE_NIST_P256 0x0002 + +struct ecdh { + unsigned short curve_id; + char *key; + unsigned short key_size; +}; + +int crypto_ecdh_key_len(const struct ecdh *params); +int crypto_ecdh_encode_key(char *buf, unsigned int len, const struct ecdh *p); +int crypto_ecdh_decode_key(const char *buf, unsigned int len, struct ecdh *p); + +#endif diff --git a/include/crypto/kpp.h b/include/crypto/kpp.h index 937ac122354a..30791f75c180 100644 --- a/include/crypto/kpp.h +++ b/include/crypto/kpp.h @@ -243,6 +243,7 @@ static inline void kpp_request_set_output(struct kpp_request *req, enum { CRYPTO_KPP_SECRET_TYPE_UNKNOWN, CRYPTO_KPP_SECRET_TYPE_DH, + CRYPTO_KPP_SECRET_TYPE_ECDH, }; /** |