RT2867: des_ede3_cfb1 ignored "size in bits" flag

Code and tests by Steve.
Reviewed-by: NDr. Stephen Henson <steve@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>

crypto/evp/e_des3.c

@@ -164,6 +164,8 @@ static int des_ede3_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
     size_t n;
     unsigned char c[1], d[1];
 
+    if (!EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS))
+            inl *= 8;
     for (n = 0; n < inl; ++n) {
         c[0] = (in[n / 8] & (1 << (7 - n % 8))) ? 0x80 : 0;
         DES_ede3_cfb_encrypt(c, d, 1, 1,

test/evptests.txt

@@ -201,6 +201,25 @@ Input = "aaaaaaaaaa"
 Count = 100000
 Output = 0C99005BEB57EFF50A7CF005560DDF5D29057FD86B20BFD62DECA0F1CCEA4AF51FC15490EDDC47AF32BB2B66C34FF9AD8C6008AD677F77126953B226E4ED8B01
 
+# DES EDE3 CFB1
+# echo -n "Hello World" |
+#  apps/openssl enc -des-ede3-cfb1 \
+#   -K 000102030405060708090A0B0C0D0E0F1011121314151617 -iv 0001020304050607 |
+#  xxd -ps -u
+
+Cipher = DES-EDE3-CFB1
+Key = 000102030405060708090A0B0C0D0E0F1011121314151617
+IV = 0001020304050607
+Plaintext = "Hello World"
+Ciphertext = 3CF55D656E9C0664513358
+
+Cipher = DES-EDE3-CFB1
+Key = 000102030405060708090A0B0C0D0E0F1011121314151617
+IV = 0001020304050607
+Operation = DECRYPT
+Plaintext = "Hello World"
+Ciphertext = 3CF55D656E9C0664513358
+
 # AES 128 ECB tests (from FIPS-197 test vectors, encrypt)
 
 Cipher = AES-128-ECB