summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--README.md15
1 files changed, 9 insertions, 6 deletions
diff --git a/README.md b/README.md
index 79b463c..9ca9b99 100644
--- a/README.md
+++ b/README.md
@@ -149,16 +149,18 @@ Operation:
149 149
150- produce a 2 byte string (N) indicating the length of P 150- produce a 2 byte string (N) indicating the length of P
151 151
152- if the length of P < L, produce L - P bytes of random data (R), N = "%02d" 152- generate random padding and set N:
153 if the length of P >= L, N = "-1" 153 - if the length of P < L, produce L - P bytes of random data (R), N = "%02d"
154 - if the length of P >= L, N = "-1"
154 155
155- produce a hash digest (H): H = SHA_256(N + P + R (if the length of P < L)) 156- produce a hash digest (H): H = SHA_256(N + P + R (if the length of P < L))
156 157
157- encrypt (E): E = AES_256_CFB_ENCRYPT(H + N + P + R (if the length of P < L), K) 158- encrypt (E): E = AES_256_CFB_ENCRYPT(H + N + P + R (if the length of P < L), K)
158 159
159- B = mpes1:BASE64_ENCODE(S + E) 160- B = mpes1:BASE64_ENCODE(S + E)
160 example: 161
161 mpes1:vo7lsIpD7i6byBA6+vlUoF4OVDfEe+aYRRk4FRtfJ2gMY8M43Kj6WfdfgbViIOl83bI4XEc96okhPW5Mla813aAR1gbPjDg0xmCyIbWOiUv/dg== 162example:
163mpes1:vo7lsIpD7i6byBA6+vlUoF4OVDfEe+aYRRk4FRtfJ2gMY8M43Kj6WfdfgbViIOl83bI4XEc96okhPW5Mla813aAR1gbPjDg0xmCyIbWOiUv/dg==
162 164
163 165
164#### Decryption 166#### Decryption
@@ -192,8 +194,9 @@ Operation:
192 194
193- extract the next 2 bytes for the length of P (N): N = D[16 : 17] 195- extract the next 2 bytes for the length of P (N): N = D[16 : 17]
194 196
195- if N == "-1" the password is the remaining bytes of D: P = D[18 :] 197- fetch the plain-text:
196 if N != "-1", extract the next N-bytes from D: P = D[18 : (18 + N)] 198 - if N == "-1" the password is the remaining bytes of D: P = D[18 :]
199 - if N != "-1", extract the next N-bytes from D: P = D[18 : (18 + N)]
197 200
198 201
199### Limitations 202### Limitations