AES CFB8.

2 files changed, 17 insertions, 0 deletions

diff --git a/crypto/aes/aes.h b/crypto/aes/aes.h
index 4ac943e9a8..5e177a3dd8 100644
--- a/crypto/aes/aes.h
+++ b/crypto/aes/aes.h
@@ -98,6 +98,9 @@ void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
 void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
 	const unsigned long length, const AES_KEY *key,
 	unsigned char *ivec, int *num, const int enc);
+void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
+	const unsigned long length, const AES_KEY *key,
+	unsigned char *ivec, int *num, const int enc);
 void AES_cfbr_encrypt_block(const unsigned char *in,unsigned char *out,
 			    const int nbits,const AES_KEY *key,
 			    unsigned char *ivec,const int enc);
diff --git a/crypto/aes/aes_cfb.c b/crypto/aes/aes_cfb.c
index bd61aa8229..31d7e2dd77 100644
--- a/crypto/aes/aes_cfb.c
+++ b/crypto/aes/aes_cfb.c
@@ -222,6 +222,7 @@ void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
     {
     unsigned int n;
     unsigned char c[1],d[1];
+
     assert(in && out && key && ivec && num);
     assert(*num == 0);
 
@@ -234,3 +235,16 @@ void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
 	}
     }
 
+void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
+		      const unsigned long length, const AES_KEY *key,
+		      unsigned char *ivec, int *num, const int enc)
+    {
+    unsigned int n;
+
+    assert(in && out && key && ivec && num);
+    assert(*num == 0);
+
+    for(n=0 ; n < length ; ++n)
+	AES_cfbr_encrypt_block(&in[n],&out[n],8,key,ivec,enc);
+    }
+