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| author | Nick Mathewson <nickm@torproject.org> | 2012-11-28 15:38:37 -0500 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2012-12-06 01:54:09 -0500 |
| commit | 3c3084e1656888d43be3b92169734a6195ec6d75 (patch) | |
| tree | 04052b8b2020cf7ef59075056fa96ff57533cc80 /src | |
| parent | bd93ff8dd76b06ca3afe1f362b086d4f12639f71 (diff) | |
| download | tor-3c3084e1656888d43be3b92169734a6195ec6d75.tar tor-3c3084e1656888d43be3b92169734a6195ec6d75.tar.gz | |
Add a crypto_dh_dup, for benchmark support
Diffstat (limited to 'src')
| -rw-r--r-- | src/common/crypto.c | 10 | ||||
| -rw-r--r-- | src/common/crypto.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/common/crypto.c b/src/common/crypto.c index 39f5a4a64..37d843396 100644 --- a/src/common/crypto.c +++ b/src/common/crypto.c @@ -2036,6 +2036,16 @@ crypto_dh_new(int dh_type) return NULL; } +/** Return a copy of <b>dh</b>, sharing its internal state. */ +crypto_dh_t * +crypto_dh_dup(const crypto_dh_t *dh) +{ + crypto_dh_t *dh_new = tor_malloc_zero(sizeof(crypto_dh_t)); + dh_new->dh = dh->dh; + DH_up_ref(dh->dh); + return dh_new; +} + /** Return the length of the DH key in <b>dh</b>, in bytes. */ int diff --git a/src/common/crypto.h b/src/common/crypto.h index 4c5fa6ad9..eb8b1de16 100644 --- a/src/common/crypto.h +++ b/src/common/crypto.h @@ -230,6 +230,7 @@ void crypto_hmac_sha256(char *hmac_out, #define DH_TYPE_REND 2 #define DH_TYPE_TLS 3 crypto_dh_t *crypto_dh_new(int dh_type); +crypto_dh_t *crypto_dh_dup(const crypto_dh_t *dh); int crypto_dh_get_bytes(crypto_dh_t *dh); int crypto_dh_generate_public(crypto_dh_t *dh); int crypto_dh_get_public(crypto_dh_t *dh, char *pubkey_out, |