diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2014-01-18 14:51:40 +0000 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2014-03-28 14:49:04 +0000 |
| commit | 2514fa79acba998c2a8d4e5a8288a5b3ae990377 (patch) | |
| tree | 28f4391dc3e8fc22197e53b75360800f182d9b19 /crypto/rsa | |
| parent | 4563da1d7c53e969e8d092d018795179bb648a7c (diff) | |
Add functions returning security bits.
Add functions to return the "bits of security" for various public key
algorithms. Based on SP800-57.
Diffstat (limited to 'crypto/rsa')
| -rw-r--r-- | crypto/rsa/rsa.h | 1 | ||||
| -rw-r--r-- | crypto/rsa/rsa_ameth.c | 6 | ||||
| -rw-r--r-- | crypto/rsa/rsa_lib.c | 5 |
3 files changed, 12 insertions, 0 deletions
diff --git a/crypto/rsa/rsa.h b/crypto/rsa/rsa.h index 41a052a3ee..543deaf572 100644 --- a/crypto/rsa/rsa.h +++ b/crypto/rsa/rsa.h @@ -307,6 +307,7 @@ struct rsa_st RSA * RSA_new(void); RSA * RSA_new_method(ENGINE *engine); int RSA_size(const RSA *rsa); +int RSA_security_bits(const RSA *rsa); /* Deprecated version */ #ifndef OPENSSL_NO_DEPRECATED diff --git a/crypto/rsa/rsa_ameth.c b/crypto/rsa/rsa_ameth.c index 929193b4fa..04d9f62dd0 100644 --- a/crypto/rsa/rsa_ameth.c +++ b/crypto/rsa/rsa_ameth.c @@ -170,6 +170,11 @@ static int rsa_bits(const EVP_PKEY *pkey) return BN_num_bits(pkey->pkey.rsa->n); } +static int rsa_security_bits(const EVP_PKEY *pkey) + { + return RSA_security_bits(pkey->pkey.rsa); + } + static void int_rsa_free(EVP_PKEY *pkey) { RSA_free(pkey->pkey.rsa); @@ -993,6 +998,7 @@ const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] = int_rsa_size, rsa_bits, + rsa_security_bits, 0,0,0,0,0,0, diff --git a/crypto/rsa/rsa_lib.c b/crypto/rsa/rsa_lib.c index 9e3f7dafcd..ba277cacd8 100644 --- a/crypto/rsa/rsa_lib.c +++ b/crypto/rsa/rsa_lib.c @@ -320,3 +320,8 @@ int RSA_memory_lock(RSA *r) r->bignum_data=p; return(1); } + +int RSA_security_bits(const RSA *rsa) + { + return BN_security_bits(BN_num_bits(rsa->n), -1); + } |