crypto: rsa - Store rest of the private key components

[sfrench/cifs-2.6.git] / crypto / rsa_helper.c

diff --git a/crypto/rsa_helper.c b/crypto/rsa_helper.c
index 583656af4fe288cfe886b9040814c84271dee8c2..4df6451e7543670f7836c2507e77d7329d65b10f 100644 (file)
--- a/crypto/rsa_helper.c
+++ b/crypto/rsa_helper.c
@@ -78,6 +78,81 @@ int rsa_get_d(void *context, size_t hdrlen, unsigned char tag,
        return 0;
 }
 
+int rsa_get_p(void *context, size_t hdrlen, unsigned char tag,
+             const void *value, size_t vlen)
+{
+       struct rsa_key *key = context;
+
+       /* invalid key provided */
+       if (!value || !vlen || vlen > key->n_sz)
+               return -EINVAL;
+
+       key->p = value;
+       key->p_sz = vlen;
+
+       return 0;
+}
+
+int rsa_get_q(void *context, size_t hdrlen, unsigned char tag,
+             const void *value, size_t vlen)
+{
+       struct rsa_key *key = context;
+
+       /* invalid key provided */
+       if (!value || !vlen || vlen > key->n_sz)
+               return -EINVAL;
+
+       key->q = value;
+       key->q_sz = vlen;
+
+       return 0;
+}
+
+int rsa_get_dp(void *context, size_t hdrlen, unsigned char tag,
+              const void *value, size_t vlen)
+{
+       struct rsa_key *key = context;
+
+       /* invalid key provided */
+       if (!value || !vlen || vlen > key->n_sz)
+               return -EINVAL;
+
+       key->dp = value;
+       key->dp_sz = vlen;
+
+       return 0;
+}
+
+int rsa_get_dq(void *context, size_t hdrlen, unsigned char tag,
+              const void *value, size_t vlen)
+{
+       struct rsa_key *key = context;
+
+       /* invalid key provided */
+       if (!value || !vlen || vlen > key->n_sz)
+               return -EINVAL;
+
+       key->dq = value;
+       key->dq_sz = vlen;
+
+       return 0;
+}
+
+int rsa_get_qinv(void *context, size_t hdrlen, unsigned char tag,
+                const void *value, size_t vlen)
+{
+       struct rsa_key *key = context;
+
+       /* invalid key provided */
+       if (!value || !vlen || vlen > key->n_sz)
+               return -EINVAL;
+
+       key->qinv = value;
+       key->qinv_sz = vlen;
+
+       return 0;
+}
+
 /**
  * rsa_parse_pub_key() - decodes the BER encoded buffer and stores in the
  *                       provided struct rsa_key, pointers to the raw key as is,