Remove unused HMAC-SHA1 function

(We're not adding any new SHA1 instances in our protocols, so this
should never actually be needed.)

2 files changed, 0 insertions, 18 deletions

diff --git a/src/common/crypto.c b/src/common/crypto.c
index 22d57c7c8a..8d374004ce 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -1631,21 +1631,6 @@ crypto_digest_assign(crypto_digest_t *into,
   memcpy(into,from,sizeof(crypto_digest_t));
 }
 
-/** Compute the HMAC-SHA-1 of the <b>msg_len</b> bytes in <b>msg</b>, using
- * the <b>key</b> of length <b>key_len</b>.  Store the DIGEST_LEN-byte result
- * in <b>hmac_out</b>.
- */
-void
-crypto_hmac_sha1(char *hmac_out,
-                 const char *key, size_t key_len,
-                 const char *msg, size_t msg_len)
-{
-  tor_assert(key_len < INT_MAX);
-  tor_assert(msg_len < INT_MAX);
-  HMAC(EVP_sha1(), key, (int)key_len, (unsigned char*)msg, (int)msg_len,
-       (unsigned char*)hmac_out, NULL);
-}
-
 /** Compute the HMAC-SHA-256 of the <b>msg_len</b> bytes in <b>msg</b>, using
  * the <b>key</b> of length <b>key_len</b>.  Store the DIGEST256_LEN-byte
  * result in <b>hmac_out</b>.
diff --git a/src/common/crypto.h b/src/common/crypto.h
index 12fcfae27e..1976549610 100644
--- a/src/common/crypto.h
+++ b/src/common/crypto.h
@@ -218,9 +218,6 @@ void crypto_digest_get_digest(crypto_digest_t *digest,
 crypto_digest_t *crypto_digest_dup(const crypto_digest_t *digest);
 void crypto_digest_assign(crypto_digest_t *into,
                           const crypto_digest_t *from);
-void crypto_hmac_sha1(char *hmac_out,
-                      const char *key, size_t key_len,
-                      const char *msg, size_t msg_len);
 void crypto_hmac_sha256(char *hmac_out,
                         const char *key, size_t key_len,
                         const char *msg, size_t msg_len);