diff options
Diffstat (limited to 'crypto/evp/evp_enc.c')
| -rw-r--r-- | crypto/evp/evp_enc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/crypto/evp/evp_enc.c b/crypto/evp/evp_enc.c index e4f9bf073b..83b70129ca 100644 --- a/crypto/evp/evp_enc.c +++ b/crypto/evp/evp_enc.c @@ -222,6 +222,7 @@ int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) b=ctx->cipher->block_size; if (b == 1) { + EVP_CIPHER_CTX_cleanup(ctx); *outl=0; return 1; } @@ -303,6 +304,7 @@ int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) b=ctx->cipher->block_size; if (ctx->flags & EVP_CIPH_NO_PADDING) { + EVP_CIPHER_CTX_cleanup(ctx); if(ctx->buf_len) { EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH); @@ -315,12 +317,14 @@ int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) { if (ctx->buf_len || !ctx->final_used) { + EVP_CIPHER_CTX_cleanup(ctx); EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_WRONG_FINAL_BLOCK_LENGTH); return(0); } n=ctx->final[b-1]; if (n > b) { + EVP_CIPHER_CTX_cleanup(ctx); EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_BAD_DECRYPT); return(0); } @@ -328,6 +332,7 @@ int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) { if (ctx->final[--b] != n) { + EVP_CIPHER_CTX_cleanup(ctx); EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_BAD_DECRYPT); return(0); } @@ -339,6 +344,7 @@ int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) } else *outl=0; + EVP_CIPHER_CTX_cleanup(ctx); return(1); } |