1 files changed, 1 insertions, 110 deletions

diff --git a/crypto/rsa.c b/crypto/rsa.c
index 4167980c243d..dcbb03431778 100644
--- a/crypto/rsa.c
+++ b/crypto/rsa.c
@@ -50,34 +50,6 @@ static int _rsa_dec(const struct rsa_mpi_key *key, MPI m, MPI c)
         return mpi_powm(m, c, key->d, key->n);
 }
 
-/*
- * RSASP1 function [RFC3447 sec 5.2.1]
- * s = m^d mod n
- */
-static int _rsa_sign(const struct rsa_mpi_key *key, MPI s, MPI m)
-{
-        /* (1) Validate 0 <= m < n */
-        if (mpi_cmp_ui(m, 0) < 0 || mpi_cmp(m, key->n) >= 0)
-                return -EINVAL;
-
-        /* (2) s = m^d mod n */
-        return mpi_powm(s, m, key->d, key->n);
-}
-
-/*
- * RSAVP1 function [RFC3447 sec 5.2.2]
- * m = s^e mod n;
- */
-static int _rsa_verify(const struct rsa_mpi_key *key, MPI m, MPI s)
-{
-        /* (1) Validate 0 <= s < n */
-        if (mpi_cmp_ui(s, 0) < 0 || mpi_cmp(s, key->n) >= 0)
-                return -EINVAL;
-
-        /* (2) m = s^e mod n */
-        return mpi_powm(m, s, key->e, key->n);
-}
-
 static inline struct rsa_mpi_key *rsa_get_key(struct crypto_akcipher *tfm)
 {
         return akcipher_tfm_ctx(tfm);
@@ -160,85 +132,6 @@ err_free_m:
         return ret;
 }
 
-static int rsa_sign(struct akcipher_request *req)
-{
-        struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
-        const struct rsa_mpi_key *pkey = rsa_get_key(tfm);
-        MPI m, s = mpi_alloc(0);
-        int ret = 0;
-        int sign;
-
-        if (!s)
-                return -ENOMEM;
-
-        if (unlikely(!pkey->n || !pkey->d)) {
-                ret = -EINVAL;
-                goto err_free_s;
-        }
-
-        ret = -ENOMEM;
-        m = mpi_read_raw_from_sgl(req->src, req->src_len);
-        if (!m)
-                goto err_free_s;
-
-        ret = _rsa_sign(pkey, s, m);
-        if (ret)
-                goto err_free_m;
-
-        ret = mpi_write_to_sgl(s, req->dst, req->dst_len, &sign);
-        if (ret)
-                goto err_free_m;
-
-        if (sign < 0)
-                ret = -EBADMSG;
-
-err_free_m:
-        mpi_free(m);
-err_free_s:
-        mpi_free(s);
-        return ret;
-}
-
-static int rsa_verify(struct akcipher_request *req)
-{
-        struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);
-        const struct rsa_mpi_key *pkey = rsa_get_key(tfm);
-        MPI s, m = mpi_alloc(0);
-        int ret = 0;
-        int sign;
-
-        if (!m)
-                return -ENOMEM;
-
-        if (unlikely(!pkey->n || !pkey->e)) {
-                ret = -EINVAL;
-                goto err_free_m;
-        }
-
-        s = mpi_read_raw_from_sgl(req->src, req->src_len);
-        if (!s) {
-                ret = -ENOMEM;
-                goto err_free_m;
-        }
-
-        ret = _rsa_verify(pkey, m, s);
-        if (ret)
-                goto err_free_s;
-
-        ret = mpi_write_to_sgl(m, req->dst, req->dst_len, &sign);
-        if (ret)
-                goto err_free_s;
-
-        if (sign < 0)
-                ret = -EBADMSG;
-
-err_free_s:
-        mpi_free(s);
-err_free_m:
-        mpi_free(m);
-        return ret;
-}
-
 static void rsa_free_mpi_key(struct rsa_mpi_key *key)
 {
         mpi_free(key->d);
@@ -353,8 +246,6 @@ static void rsa_exit_tfm(struct crypto_akcipher *tfm)
 static struct akcipher_alg rsa = {
         .encrypt = rsa_enc,
         .decrypt = rsa_dec,
-        .sign = rsa_sign,
-        .verify = rsa_verify,
         .set_priv_key = rsa_set_priv_key,
         .set_pub_key = rsa_set_pub_key,
         .max_size = rsa_max_size,
@@ -391,7 +282,7 @@ static void rsa_exit(void)
         crypto_unregister_akcipher(&rsa);
 }
 
-module_init(rsa_init);
+subsys_initcall(rsa_init);
 module_exit(rsa_exit);
 MODULE_ALIAS_CRYPTO("rsa");
 MODULE_LICENSE("GPL");