diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2017-10-09 15:21:11 +0100 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 2017-10-12 00:08:50 +0100 |
commit | aa4c32ebefacdad250b192b5ebd7560f4015f641 (patch) | |
tree | 4b0222e5b6bcae2c81ef44e3b3fe69833e81032f /crypto/evp | |
parent | f042e93d82a71c6d996eb765263cda5199a67084 (diff) |
Add EVP_PKEY_set1_engine() function.
Add an ENGINE to EVP_PKEY structure which can be used for cryptographic
operations: this will typically be used by an HSM key to redirect calls
to a custom EVP_PKEY_METHOD.
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4503)
(cherry picked from commit d19b01ad79f9e2aac5c87496b5ca5f80016daeb7)
Diffstat (limited to 'crypto/evp')
-rw-r--r-- | crypto/evp/p_lib.c | 26 | ||||
-rw-r--r-- | crypto/evp/pmeth_lib.c | 2 |
2 files changed, 25 insertions, 3 deletions
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c index 9828620552..d7372aa129 100644 --- a/crypto/evp/p_lib.c +++ b/crypto/evp/p_lib.c @@ -187,9 +187,11 @@ static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len) if ((type == pkey->save_type) && pkey->ameth) return 1; #ifndef OPENSSL_NO_ENGINE - /* If we have an ENGINE release it */ + /* If we have ENGINEs release them */ ENGINE_finish(pkey->engine); pkey->engine = NULL; + ENGINE_finish(pkey->pmeth_engine); + pkey->pmeth_engine = NULL; #endif } if (str) @@ -223,7 +225,25 @@ int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len) { return pkey_set_type(pkey, EVP_PKEY_NONE, str, len); } - +#ifndef OPENSSL_NO_ENGINE +int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e) +{ + if (e != NULL) { + if (!ENGINE_init(e)) { + EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, ERR_R_ENGINE_LIB); + return 0; + } + if (ENGINE_get_pkey_meth(e, pkey->type) == NULL) { + ENGINE_finish(e); + EVPerr(EVP_F_EVP_PKEY_SET1_ENGINE, EVP_R_UNSUPPORTED_ALGORITHM); + return 0; + } + } + ENGINE_finish(pkey->pmeth_engine); + pkey->pmeth_engine = e; + return 1; +} +#endif int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key) { if (pkey == NULL || !EVP_PKEY_set_type(pkey, type)) @@ -413,6 +433,8 @@ static void EVP_PKEY_free_it(EVP_PKEY *x) #ifndef OPENSSL_NO_ENGINE ENGINE_finish(x->engine); x->engine = NULL; + ENGINE_finish(x->pmeth_engine); + x->pmeth_engine = NULL; #endif } diff --git a/crypto/evp/pmeth_lib.c b/crypto/evp/pmeth_lib.c index 77e17dbd17..5e650a9db3 100644 --- a/crypto/evp/pmeth_lib.c +++ b/crypto/evp/pmeth_lib.c @@ -90,7 +90,7 @@ static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id) } #ifndef OPENSSL_NO_ENGINE if (e == NULL && pkey != NULL) - e = pkey->engine; + e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine; /* Try to find an ENGINE which implements this method */ if (e) { if (!ENGINE_init(e)) { |