diff options
Diffstat (limited to 'crypto/dh/dh_check.c')
| -rw-r--r-- | crypto/dh/dh_check.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/crypto/dh/dh_check.c b/crypto/dh/dh_check.c index 066bf83336..fc45577101 100644 --- a/crypto/dh/dh_check.c +++ b/crypto/dh/dh_check.c @@ -18,6 +18,19 @@ * p is odd * 1 < g < p - 1 */ +int DH_check_params_ex(const DH *dh) +{ + int errflags = 0; + + (void)DH_check_params(dh, &errflags); + + if ((errflags & DH_CHECK_P_NOT_PRIME) != 0) + DHerr(DH_F_DH_CHECK_PARAMS_EX, DH_R_CHECK_P_NOT_PRIME); + if ((errflags & DH_NOT_SUITABLE_GENERATOR) != 0) + DHerr(DH_F_DH_CHECK_PARAMS_EX, DH_R_NOT_SUITABLE_GENERATOR); + + return errflags == 0; +} int DH_check_params(const DH *dh, int *ret) { @@ -61,6 +74,29 @@ int DH_check_params(const DH *dh, int *ret) * for 5, p mod 10 == 3 or 7 * should hold. */ +int DH_check_ex(const DH *dh) +{ + int errflags = 0; + + (void)DH_check(dh, &errflags); + + if ((errflags & DH_NOT_SUITABLE_GENERATOR) != 0) + DHerr(DH_F_DH_CHECK_EX, DH_R_NOT_SUITABLE_GENERATOR); + if ((errflags & DH_CHECK_Q_NOT_PRIME) != 0) + DHerr(DH_F_DH_CHECK_EX, DH_R_CHECK_Q_NOT_PRIME); + if ((errflags & DH_CHECK_INVALID_Q_VALUE) != 0) + DHerr(DH_F_DH_CHECK_EX, DH_R_CHECK_INVALID_Q_VALUE); + if ((errflags & DH_CHECK_INVALID_J_VALUE) != 0) + DHerr(DH_F_DH_CHECK_EX, DH_R_CHECK_INVALID_J_VALUE); + if ((errflags & DH_UNABLE_TO_CHECK_GENERATOR) != 0) + DHerr(DH_F_DH_CHECK_EX, DH_R_UNABLE_TO_CHECK_GENERATOR); + if ((errflags & DH_CHECK_P_NOT_PRIME) != 0) + DHerr(DH_F_DH_CHECK_EX, DH_R_CHECK_P_NOT_PRIME); + if ((errflags & DH_CHECK_P_NOT_SAFE_PRIME) != 0) + DHerr(DH_F_DH_CHECK_EX, DH_R_CHECK_P_NOT_SAFE_PRIME); + + return errflags == 0; +} int DH_check(const DH *dh, int *ret) { @@ -142,6 +178,22 @@ int DH_check(const DH *dh, int *ret) return ok; } +int DH_check_pub_key_ex(const DH *dh, const BIGNUM *pub_key) +{ + int errflags = 0; + + (void)DH_check(dh, &errflags); + + if ((errflags & DH_CHECK_PUBKEY_TOO_SMALL) != 0) + DHerr(DH_F_DH_CHECK_PUB_KEY_EX, DH_R_CHECK_PUBKEY_TOO_SMALL); + if ((errflags & DH_CHECK_PUBKEY_TOO_LARGE) != 0) + DHerr(DH_F_DH_CHECK_PUB_KEY_EX, DH_R_CHECK_PUBKEY_TOO_LARGE); + if ((errflags & DH_CHECK_PUBKEY_INVALID) != 0) + DHerr(DH_F_DH_CHECK_PUB_KEY_EX, DH_R_CHECK_PUBKEY_INVALID); + + return errflags == 0; +} + int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *ret) { int ok = 0; |