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| author | Robert Ransom <rransom.8774@gmail.com> | 2011-04-28 12:13:03 -0700 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2011-05-16 14:07:34 -0400 |
| commit | d2629f78a000486f8f994ba0ab75ceeaee67fc55 (patch) | |
| tree | e2955351bcc286dee7313b6279bf527a11c773d3 /src/common/crypto.c | |
| parent | 7571e9f1cb81927c5bd47190409a30c7f23ea4a1 (diff) | |
| download | tor-d2629f78a000486f8f994ba0ab75ceeaee67fc55.tar.gz tor-d2629f78a000486f8f994ba0ab75ceeaee67fc55.zip | |
Add crypto_pk_check_key_public_exponent function
Diffstat (limited to 'src/common/crypto.c')
| -rw-r--r-- | src/common/crypto.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/common/crypto.c b/src/common/crypto.c index f3268fe183..6761fd71f3 100644 --- a/src/common/crypto.c +++ b/src/common/crypto.c @@ -656,6 +656,18 @@ crypto_pk_key_is_private(const crypto_pk_env_t *key) return PRIVATE_KEY_OK(key); } +/** Return true iff <b>env</b> contains a public key whose public exponent + * equals 65537. + */ +int +crypto_pk_check_key_public_exponent(crypto_pk_env_t *env) +{ + tor_assert(env); + tor_assert(env->key); + + return BN_is_word(env->key->e, 65537); +} + /** Compare the public-key components of a and b. Return -1 if a\<b, 0 * if a==b, and 1 if a\>b. */ |